Boranes: The collective name for the boron hydrides, which are analogous to the alkanes and silanes. Numerous boranes are known. Some have high calorific values and are used in high-energy fuels. (From Grant & Hackh's Chemical Dictionary, 5th ed)Boron: A trace element with the atomic symbol B, atomic number 5, and atomic weight [10.806; 10.821]. Boron-10, an isotope of boron, is used as a neutron absorber in BORON NEUTRON CAPTURE THERAPY.Boron Compounds: Inorganic or organic compounds that contain boron as an integral part of the molecule.Borates: Inorganic or organic salts and esters of boric acid.Phosphines: Inorganic or organic compounds derived from phosphine (PH3) by the replacement of H atoms. (From Grant & Hackh's Chemical Dictionary, 5th ed)Amino Alcohols: Compounds possessing both a hydroxyl (-OH) and an amino group (-NH2).Boron Neutron Capture Therapy: A technique for the treatment of neoplasms, especially gliomas and melanomas in which boron-10, an isotope, is introduced into the target cells followed by irradiation with thermal neutrons.Stereoisomerism: The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed)EthersYttrium: An element of the rare earth family of metals. It has the atomic symbol Y, atomic number 39, and atomic weight 88.91. In conjunction with other rare earths, yttrium is used as a phosphor in television receivers and is a component of the yttrium-aluminum garnet (YAG) lasers.Coordination Complexes: Neutral or negatively charged ligands bonded to metal cations or neutral atoms. The number of ligand atoms to which the metal center is directly bonded is the metal cation's coordination number, and this number is always greater than the regular valence or oxidation number of the metal. A coordination complex can be negative, neutral, or positively charged.Yttrium Radioisotopes: Unstable isotopes of yttrium that decay or disintegrate emitting radiation. Y atoms with atomic weights 82-88 and 90-96 are radioactive yttrium isotopes.Organometallic Compounds: A class of compounds of the type R-M, where a C atom is joined directly to any other element except H, C, N, O, F, Cl, Br, I, or At. (Grant & Hackh's Chemical Dictionary, 5th ed)Alkadienes: Acyclic branched or unbranched hydrocarbons having two carbon-carbon double bonds.Dienestrol: A synthetic, non-steroidal estrogen structurally related to stilbestrol. It is used, usually as the cream, in the treatment of menopausal and postmenopausal symptoms.Ammonia: A colorless alkaline gas. It is formed in the body during decomposition of organic materials during a large number of metabolically important reactions. Note that the aqueous form of ammonia is referred to as AMMONIUM HYDROXIDE.Spectrum Analysis: The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (McGraw-Hill Dictionary of Scientific and Technical Terms, 6th ed)Spectrophotometry, Infrared: Spectrophotometry in the infrared region, usually for the purpose of chemical analysis through measurement of absorption spectra associated with rotational and vibrational energy levels of molecules. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed)Spectroscopy, Fourier Transform Infrared: A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interferometer and the spectrum is mathematically derived from the pattern thus obtained.Burning Mouth Syndrome: A group of painful oral symptoms associated with a burning or similar sensation. There is usually a significant organic component with a degree of functional overlay; it is not limited to the psychophysiologic group of disorders.Infrared Rays: That portion of the electromagnetic spectrum usually sensed as heat. Infrared wavelengths are longer than those of visible light, extending into the microwave frequencies. They are used therapeutically as heat, and also to warm food in restaurants.Hydrogen Sulfide: A flammable, poisonous gas with a characteristic odor of rotten eggs. It is used in the manufacture of chemicals, in metallurgy, and as an analytical reagent. (From Merck Index, 11th ed)Musculoskeletal Diseases: Diseases of the muscles and their associated ligaments and other connective tissue and of the bones and cartilage viewed collectively.Safety: Freedom from exposure to danger and protection from the occurrence or risk of injury or loss. It suggests optimal precautions in the workplace, on the street, in the home, etc., and includes personal safety as well as the safety of property.Sulfides: Chemical groups containing the covalent sulfur bonds -S-. The sulfur atom can be bound to inorganic or organic moieties.Human Engineering: The science of designing, building or equipping mechanical devices or artificial environments to the anthropometric, physiological, or psychological requirements of the people who will use them.Occupational Diseases: Diseases caused by factors involved in one's employment.Drug Labeling: Use of written, printed, or graphic materials upon or accompanying a drug container or wrapper. It includes contents, indications, effects, dosages, routes, methods, frequency and duration of administration, warnings, hazards, contraindications, side effects, precautions, and other relevant information.Picolines: A group of compounds that are monomethyl derivatives of pyridines. (From Dorland, 28th ed)Pyridines: Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.Nitrates: Inorganic or organic salts and esters of nitric acid. These compounds contain the NO3- radical.Hematinics: Agents which improve the quality of the blood, increasing the hemoglobin level and the number of erythrocytes. They are used in the treatment of anemias.Erythropoietin: Glycoprotein hormone, secreted chiefly by the KIDNEY in the adult and the LIVER in the FETUS, that acts on erythroid stem cells of the BONE MARROW to stimulate proliferation and differentiation.Anemia: A reduction in the number of circulating ERYTHROCYTES or in the quantity of HEMOGLOBIN.Methylmethacrylates: The methyl esters of methacrylic acid that polymerize easily and are used as tissue cements, dental materials, and absorbent for biological substances.Dendrimers: Tree-like, highly branched, polymeric compounds. They grow three-dimensionally by the addition of shells of branched molecules to a central core. The overall globular shape and presence of cavities gives potential as drug carriers and CONTRAST AGENTS.Polyhydroxyalkanoates: Fatty acid biopolymers that are biosynthesized by microbial polyhydroxyalkanoate synthase enzymes. They are being investigated for use as biodegradable polyesters.Patents as Topic: Exclusive legal rights or privileges applied to inventions, plants, etc.PolyaminesPolyesters: Polymers of organic acids and alcohols, with ester linkages--usually polyethylene terephthalate; can be cured into hard plastic, films or tapes, or fibers which can be woven into fabrics, meshes or velours.Adhesives: Substances that cause the adherence of two surfaces. They include glues (properly collagen-derived adhesives), mucilages, sticky pastes, gums, resins, or latex.Chemistry, Inorganic: A field of chemistry which pertains to chemical compounds or ions that do not contain the element carbon (with the exception of carbon dioxide and compounds containing a carbonate radical, e.g., calcium carbonate).Newcastle disease virus: The most well known avian paramyxovirus in the genus AVULAVIRUS and the cause of a highly infectious pneumoencephalitis in fowl. It is also reported to cause CONJUNCTIVITIS in humans. Transmission is by droplet inhalation or ingestion of contaminated water or food.Newcastle Disease: An acute febrile, contagious, viral disease of birds caused by an AVULAVIRUS called NEWCASTLE DISEASE VIRUS. It is characterized by respiratory and nervous symptoms in fowl and is transmissible to man causing a severe, but transient conjunctivitis.Models, Biological: Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment.Writing: The act or practice of literary composition, the occupation of writer, or producing or engaging in literary work as a profession.Education, Medical, Undergraduate: The period of medical education in a medical school. In the United States it follows the baccalaureate degree and precedes the granting of the M.D.Metals: Electropositive chemical elements characterized by ductility, malleability, luster, and conductance of heat and electricity. They can replace the hydrogen of an acid and form bases with hydroxyl radicals. (Grant & Hackh's Chemical Dictionary, 5th ed)Bioelectric Energy Sources: Electric power supply devices which convert biological energy, such as chemical energy of metabolism or mechanical energy of periodic movements, into electrical energy.Electricity: The physical effects involving the presence of electric charges at rest and in motion.Electric Power Supplies: Devices that control the supply of electric current for running electrical equipment.Illusions: The misinterpretation of a real external, sensory experience.Electrodes: Electric conductors through which electric currents enter or leave a medium, whether it be an electrolytic solution, solid, molten mass, gas, or vacuum.Geobacter: A genus of gram-negative, anaerobic, metal-reducing bacteria in the family Geobacteraceae. They have the ability to oxidize a variety of organic compounds, including AROMATIC HYDROCARBONS.Fossil Fuels: Any combustible hydrocarbon deposit formed from the remains of prehistoric organisms. Examples are petroleum, coal, and natural gas.
Another advantage of these borane complexes is that it is possible to recover the amine carriers. A way of producing borane in ... The related borane dimethylsulfide complex BH3S(CH3)2 (BMS) is comparatively more convenient because it is more stable and it ... Monobromo- and monochloro-borane can be prepared from BMS and the corresponding boron trihalides. The stable complex of ... See Borane-dimethylsulfide complex Kollonitisch, J (1961). "Reductive Ring Cleavage of Tetrahydrofurans by Diborane". J. Am. ...
"Iron Complex-Catalyzed Ammonia-Borane Dehydrogenation. A Potential Route toward B-N-Containing Polymer Motifs Using Earth- ... This includes a broad work of B-N containing compounds such as ammonia-borane (H3NBH3) as an ideal hydrogen fuel carrier, as ... Hanson, Susan K.; Baker, R. Tom (21 July 2015). "Knocking on Wood: Base Metal Complexes as Catalysts for Selective Oxidation of ... earth-abundant transition metal-based catalysts such as iron complex to facilitate dehydrogenation process of ammonia-borane ...
... as the ether complex) and the ethyl or pentafluorophenyl Grignard reagent. Boranes react rapidly to alkenes in a process called ... NHCs and boranes form stable NHC borane adducts. Triethylborane adducts can be synthesised directly from the imidazolium salt ... With boranes the mode of action is the same, the hydrogen adds to the most substituted carbon because boron is less ... Borane hydrides such as 9-BBN and L-selectride (lithium tri-sec-butylborohydride) are reducing agents. An example of an ...
The use of the diphenylphosphine-borane complex, Ph2PH•BH3 avoids the problem of phosphine oxidation by protecting the ...
They found out that the chiral amino alcohols would react with borane to form aloxyl-amine-borane complexes. The complexes are ... under the name Alpine Borane and the asymmetric reduction of carbonyl groups with either enantiomer of Alpine-Borane is known ... First, the primary alkyl complex is favored sterically over the secondary alkyl complex. Second, partial negative charges are ... Organoboron chemistry Reactions of organoborates and boranes Corey-Itsuno reduction Midland Alpine borane reduction Petasis ...
A simpler case is the formation of adducts of borane. Monomeric BH3 does not exist appreciably, so the adducts of borane are ... Many metal complexes serve as Lewis acids, but usually only after dissociating a more weakly bound Lewis base, often water. [Mg ... In many cases, the interaction between the Lewis base and Lewis acid in a complex is indicated by an arrow indicating the Lewis ... typical hard acids: H+, alkali/alkaline earth metal cations, boranes, Zn2+ typical soft acids: Ag+, Mo(0), Ni(0), Pt2+ typical ...
Boranes have a high specific energy, about 70,000 kJ/kg (30,000 BTU/lb). This compares favorably to a typical kerosene-based ... However, gaseous hydrogen has very low density; liquified hydrogen has higher density but is complex and expensive to store. ... or boranes. Zip fuels offered higher energy density than conventional fuels, helping extend the range of jet aircraft, a major ...
... coordinating with the stoichiometric borane of the boron amine complex(scheme 10). Lack of donation from the nitrogen to the ... In the field of complex molecule synthesis, TBS has been widely used as one of the most versatile of the silicon-based ... The reaction uses the chiral amino acid proline and in the presence of borane leads to the CBS catalyst (scheme 9). Later, ... Migration of the hydride from borane to the electrophilic ketone center occurs via a 6-membered ring transition state, leading ...
"Computational study of unsaturated and saturated cyclic (alkyl) (amino) carbene borane complexes". Computational and ... carbone complexes (CL2) and nitrogen cation complexes ((N+)L2). The first transition metal complex reported by Braunschweig et ... "Borylene Complexes (BH)L2 and Nitrogen Cation Complexes (N+)L2: Isoelectronic Homologues of Carbones CL2". Chemistry - A ... Bonding in these complexes is quite similar to that in mono-Lewis base compounds. At least one π-acceptor ligand is present in ...
Pt(II) methyl complexes are key intermediates in both the Shilov methane oxidation system and in more recent catalytic Pt ... One such process that Goldberg has helped develop is the dehydrogenation of ammonia borane using an iridium pincer catalyst, a ... As a result, her research discovered a method of using a family of Ru(II) diamine complexes as a precatalyst to provide ... The catalyst that gave rise to a high yield of formate esters is a half-sandwich iridium bipyridine complex. The same half- ...
The cosmic abundance of carbon to silicon is roughly 10 to 1. This may suggest a greater variety of complex carbon compounds ... Boranes are dangerously explosive in Earth's atmosphere, but would be more stable in a reducing environment. However, boron's ... Also, the water molecule's tendency to form strong hydrogen bonds can interfere with internal hydrogen bonding in complex ... Various metals, together with oxygen, can form very complex and thermally stable structures rivaling those of organic compounds ...
Boryl complexes have metal-boron bond distances from 2.45-2.52 Å, and borane complexes have the largest range of metal-boron ... Both uncharged transition metal complexes and anionic complexes lead to the required adducts with acidic boranes. On the right ... In addition, for the metal base-stabilized borane complexes, the L-ligand that donates to the metal center plays an important ... More specific examples include [NEt4][CpFe(CO)2] which gives the anionic borane iron complex as an amorphous solid from ...
It is more basic than diethyl ether and forms stronger complexes with Li+, Mg2+, and boranes. It is a popular solvent for ...
Wang N, Gray GR (5 March 1997). "Reductive cleavage of permethylated polysaccharides with borane-methyl sulfide complex and ... NARG1 is the auxiliary subunit of the NatA (Nα-acetyltransferase A) complex. This NatA complex can associate with the ribosome ... In principle, NatA can assemble from all the Naa10 and Naa15 isoforms in human and mouse, creating a more complex and flexible ... However, the X-ray crystal structure of the holo-NatA complex (Naa10/Naa15) from S. pombe revealed that Naa15 is composed of 13 ...
The chiral (acyloxy)borane (CAB) complex is effective in catalyzing a number of aldehyde Diels-Alder reactions. NMR ... In 1993, Wulff and coworkers found a complex derived from diethylaluminium chloride and a "vaulted" biaryl ligand below ...
In organic synthesis, the complex diethylaniline·borane (DEANB) is used as a reducing agent. Diethylaniline may be genotoxic ... borane, an efficient reducing agent for reduction of representative functional groups". Tetrahedron Letters. 38 (9): 1519. doi: ...
In 1981, Itsuno and coworkers first reported the use of chiral alkoxy-amine-borane complexes in reducing achiral ketones to ... X-ray crystal structures and 11B NMR spectroscopic analyses of the coordinated catalyst-borane complex 2 have provided support ... On the role of hydride-bridged borane - alkoxyborane complexes in the catalytic enantioselective reduction of ketones promoted ... Midland Alpine Borane Reduction Noyori asymmetric hydrogenation Hirao, A.; Itsuno, S.; Nakahama, S.; Yamazaki, N. (1981), " ...
"Complete infrared spectroscopic characterization of phenol-borane-trimethylamine dihydrogen-bonded complex in the gas phase". ... Spectroscopic and ab Initio Investigation of Water Complexes of Fluorophenylacetylenes". Journal of Physical Chemistry. 113 (9 ...
Oxidation with iodine in tetrahydrofuran gives the borane-tetrahydrofuran complex, which can reduce carboxylic acids. Likewise ... Such borohydride complexes are often prepared by the action of NaBH4 (or the LiBH4) on the corresponding metal halide. One ... CS1 maint: Multiple names: authors list (link) Brown, H. C. "Organic Syntheses via Boranes" John Wiley & Sons, Inc. New York: ...
Coordination of borane to the oxazaborolidine nitrogen generates the complex I, which then coordinates a molecule of ketone to ... After hydride transfer, complex III releases the product and coordinates a second molecule of borane. (2) Transition metal ... 6) With borane or catecholborane as the stoichiometric reducing agent, chiral oxazaborolidine catalysts may be used to reduce ... Boranes derived from pinene have been used in this context for enantioselective reductions. Neutral alkoxyboranes may result ...
This function is particularly common in group 13 elements, especially in boranes (boron hydrides) and aluminium complexes, as ... In inorganic chemistry, hydrides can also serve as bridging ligands that link two metal centers in a coordination complex. ... Hibbs, D. E.; Jones, C.; Smithies, N. A. (1999). "A remarkably stable indium trihydride complex: synthesis and characterisation ... Binary indium hydride has not yet been identified, although larger complexes exist. ...
... borane complexes of rhodium(I)", Organometallics, 2006, volume 25, issue 1, pages 289-299, doi:10.1021/om050772+ Herberhold, ... Hill has recently published several papers concerning the nature of carbo-borane and ruthenium-borane interactions. Most ... "Phosphino and phosphonito carbyne complexes: [Mo(≡CX)(CO)2{HB(pzMe2)3}] (X = PPh2, P(=O)(OEt)2; pz = pyrazol-1-yl)" Caldwell L. ... The organometallic chemistry of complexes of transition metals with poly(methimazolyl)borato and other related ligands has in ...
Another useful reaction is the use of zirconium metallocene complexes to copolymerize olefin with borane monomer. After ... Ruthenium complexes can once again be used for ADMET polymerization. In this case, an α,ω-diene monomer with functionality is ... As a cocatalyst, MAO is well known for their use in metallocene chemistry as they activate metallocene complexes for olefin ... First, a cycloctene functionalized with an ester functionality at the position 5 carbon reacts with a ruthenium complex. Next, ...
... the higher boranes and borane anions, and various transition-metal carbonyl cluster compounds". J. Chem. Soc. D. 1971: 792-793 ... The number and symmetry of these orbitals are dependent upon the type and structure of each individual cluster complex. ... Kostikova, G. P.; Korolkov, D. V. (1985). "Electronic Structure of Transition Metal Cluster Complexes with Weak- and Strong- ... 1 vertex nido complex is generated by following the rule above; a second vertex adjacent to the first is removed if the cluster ...
In addition to the polyhedral boranes, the program explored pi-allyl, fluoroalkyl, and boron hydride complexes of the ... Muetterties's work on boron hydride clusters led to the work on several polyhedral borane anions such as B12H122−. Muetterties ... He also edited books on boron chemistry and transition-metal hydrides and wrote reviews on complexes with unusual coordination ... Research also extended to stereochemically-non-rigid complexes. In 1965, he became Associate Director in the DuPont Central ...
Borane and diborane. Left: BH3 (special conditions), covalent metalloid hydride. Right: B2H6 (standard conditions), dimeric ... One consequence of this reversed polarity is the greater tendency of silane to form complexes with transition metals. A second ... and silicon tetrachloride and involves a complex series of redistribution reactions (producing byproducts that are recycled in ...
Borane Ammonia Complex H3N-BH3 bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free samples program. ... Borane Ammonia Complex Synonyms. Ammonia borane; Amminetrihydroboron; Borazane; azane, borane; borane amine; borane ammonia; ... Borane ammonia complex. CAS-No. 13774-81-7. Revision Date. New Jersey Right To Know. Components. Borane ammonia complex. CAS-No ... About Borane Ammonia Complex. Borane Ammonia Complex is generally immediately available in most volumes. American Elements ...
Borane Tetrahydrofuran Complex Solution BH3OC4H8 bulk & research qty manufacturer. Properties, SDS, Applications, Price. Free ... Borane Tetrahydrofuran Complex Solution Synonyms. BH3-THF, BTHF, Borane-THF, Borane THF, Borane/THF Complex, Tetrahydrofuran-- ... About Borane Tetrahydrofuran Complex Solution. Borane Tetrahydrofuran Complex is one of numerous organoborane compounds ... Borane Tetrahydrofuran Complex Solution Health & Safety Information. Signal Word Danger Hazard Statements H225-H260-H302-H333- ...
Dispose of contents/container in accordance with local/regional/national/international regulations.. Danger. DOTInformation : Transport Hazard Class: 4.1; Packing Group: III; Proper Shipping Name: FLAMMABLE SOLIDS, CORROSIVE, ORGANIC, N.O.S.. RTECSNumber : IP9450000. TSCA : TSCA. ...
The hydroboration of alkenes with borane complexed to hindered tertiary amines was studied. Complexes capable of hydroboration ... strongly complexed borane-amines hydroborated alkenes completely. The successful hydroboration of simple alkenes with borane- ... The use of borane-pyridine as a reducing agent for the reductive amination of aldehydes and ketones with primary aromatic and ... The more stable complexes could not hydroborate alkenes at room temperature. In refluxing ethereal solvents, in the presence of ...
The structural, electronic, and thermodynamic properties of ammonia-borane complexes with varying amounts of hydrogen have been ... Both the ammonia-borane polymeric and borazine-cyclotriborazane cycles show a strong exothermic decomposition character ( ... Density functional study of strong hydrogen-bonded systems: The hydrogen diformiate complex. Süle, Péter; Nagy, Á. // Journal ... In the neurotransmission process, noradrenaline binds to an adrenergic receptor by forming a complex of hydrogen bonds between ...
The reaction of a recently synthesized dihydroboron species complexed with bis(phosphinimino)amide, LBH2 (1), (L = [N(Ph2PN(2,4 ... and selenoxo-boranes K. Jaiswal, B. Prashanth, S. Ravi, K. R. Shamasundar and S. Singh, Dalton Trans., 2015, 44, 15779 DOI: ... The reaction of a recently synthesized dihydroboron species complexed with bis(phosphinimino)amide, LBH2 (1), (L = [N(Ph2PN(2,4 ... Reactivity of a dihydroboron species: synthesis of a hydroborenium complex and an expedient entry into stable thioxo- and ...
... to form single crystals containing both a borane-substituted allyl complex, (C5Me5)2Y[η3-C3H4(BC8H14)], and a borohydride, ( ... borane. -substituted allyl complex, (C5Me5)2Y[η3-C3H4(BC8H14)], and a borohydride, (C5Me5)2Y(μ-H)2BC8H14, that can be ... borane. chemistry: isolation of 9-BBN substitution and coordination complexes in a single crystal, {(C5Me5)2Y[η3-C3H4(BC8H14 ... borane. chemistry: isolation of 9-BBN substitution and coordination complexes in a single crystal, {(C5Me5)2Y[η3-C3H4(BC8H14 ...
borane-tetrahydrofuran complex, tetrahydrofuran borane, bh3.thf, borane tetrahydrofuran complex solution, borane-d3-thf complex ... borane-tetrahydrofuran complex, tetrahydrofuran borane, bh3.thf, borane tetrahydrofuran complex solution, borane-d3-thf complex ... Borane-tetrahydrofuran complex is an important reagent used in the reduction of certain functional groups viz. aldehyde, ketone ... Alfa Aesar™ Borane-tetrahydrofuran complex, 1M soln. in THF, stab. with 5mmol NaBH4 ...
Infrared Hole Burning and Conformational Change in a Borane−Ammonia Complex. Citation:. Endicott, CA, Strauss HL, Hughes CC, ... The N?D stretching region in the infrared spectrum of the ammonia complex of tris-(2-methoxymethyl-phenol)-borane containing ... Infrared Hole Burning and Conformational Change in a Borane−Ammonia Complex. The Journal of Physical Chemistry A. 109:7714-7717 ...
... chloroboranes form strong complexes with THF. Diethyl ether and other less polar solvents may be used with these reagents. (12 ... 1) Hydroboration of alkenes or alkynes is an efficient method for the generation of boranes; however, the use of borane (BH3) ... Two of the three alkyl groups attached to the borane may be converted to halide in the presence of excess base, but the use of ... Boranes are most commonly prepared by hydroboration of alkenes or alkynes. The choice of boron-containing reagent is often ...
Borane-methyl sulfide complex MSDS safety technical specifications search, Borane-methyl sulfide complex safety information ... Borane-methyl sulfide complex ,98 % 236-313-6 Hazard Symbols: XI F Risk Phrases: 11 15 36/37/38 Section 3 - HAZARDS ... Borane-methyl sulfide complex - Not listed by ACGIH, IARC, or NTP.. Other:. See actual entry in RTECS for complete information. ... Current Page: Home › Chemical Dictionary › 13292-87-0 › Borane-methyl sulfide complex 13292-87-0 MSDS ...
This colorless gas is the adduct of borane and carbon monoxide. It is usually prepared by combining borane-ether complexes and ... borane. Structure and Bonding in L-B(C6F5)3 Complexes". Organometallics. 18: 1724-1735. doi:10.1021/OM981033E. CS1 maint: Uses ... Borane carbonyl is the inorganic compound with the formula H3BCO. ...
Borane-dimethyl sulfide complex, packaged under Argon in resealable ChemSealĺŞ bottles. Nr CAS: 13292-87-0 Nr katalogowy: 42967 ... Borane-dimethyl sulfide complex, packaged under Argon in resealable ChemSealĺŞ bottles *Name:. ... Strona główna / Alfa Aesar / Borane-dimethyl sulfide complex, packaged under Argon in resealable ChemSealĺŞ bottles. ...
Borane-2-methylpyridine complex, 95% 25g Alfa Aesar™ Borane-2-methylpyridine complex, 95% Boci to Bromoa -Organics ... 2-Picoline borane complex. Solubility Information. Slightly soluble in water, cyclohexane, very sol; in methanol, THF, diglyme ...
The complexes are useful in systems for initiating the polymerization of acrylic monomer, which systems further include a ... A complex comprises organoborane and polyamine. The polyamine is the reaction product of a diprimary amine-terminated material ... Large amounts of complex could also lead to the generation of large volumes of borane, which, in the case of an adhesive, could ... The air stability of the complex is enhanced when the complex is a crystalline material. However, the complexes of the ...
Donor-Acceptor Complexes of Main-Group Elements. Electron-Counting Rules in Cluster Bonding -. Polyhedral Boranes, Elemental ... Chemcial Bonding in Open-Shell Transision-Metal Complexes. Modeling Metal-Metal Multiple Bonds with Multireference Quantum ...
Manganese Borane and Carborane Complexes. Manganese Dinitrogen Complexes. Nitrosyl Compounds of Manganese. Manganese Isocyanide ... Manganese Phthalocyanine and Porphyrin Complexes. Manganese 1,2-Dithiolene Complexes. Complexes of Manganese. Technetium. ... Cyanide and Thiocyanate Complexes. Oxides. Perrhenic Acid and the Perrhenates, Chalcogenides and Refractory Compounds. ... Compounds of both elements are described, including hydridic compounds, cyanide and thiocyanate complexes, and oxoacids and ...
Tris Chelate Complexes: Stoichiometry of [Fe(phen)3]2+ Resolution and Optical Activity of [Co(en)3]3+. Use of Liquid Ammonia as ... More electron-deficient compounds: boranes and carboranes, Zintl ions. Low oxidation states of the p-block elements (groups 13 ... Complexes of the s-elements: macrocycles and the macrocyclic effect, alkalides and electrides. Organometallics of the ... Transition metal carbene complexes: synthesis, structure and reactivity. Homogeneous catalysis: an introduction. Comparative ...
Amine Borane Complexes (e.g., Ammonia Borane), Hydrocarbons (e.g., Methanol), Lithium Aluminum Hydride, Magnesium Borohydride, ... an amine borane complex; a hydrocarbon; lithium aluminum hydride; magnesium borohydride; a magnesium borohydride-amine complex ... and a Magnesium Borohydride-Amine complex.. The fuel may also take the form of pure hydrogen (e.g., compressed hydrogen gas or ...
... metal complexes supported by novel bulky bis- phophinamino chalcogenides and boranes ligands in their coordination sphere as ... Bhattacharjee, J and Panda, Tarun K (2017) Syntheses, Structures and Catalytic Application of Earth Abundant Metal Complexes ... Syntheses, Structures and Catalytic Application of Earth Abundant Metal Complexes Stabilized by P-N Ligands with Chalcogens & ... All newly prepared homoleptic and heteroleptic metal complexes were utilized as active pre-catalysts in atom economical ...
Hannart, J.. Alkaloids From Catharanthus Roseus H-1-nmr Study of 20s-deoxyvinblastine and its N-2 Borane Complex. In: ... Alkaloids From Catharanthus Roseus H-1-nmr Study of 20s-deoxyvinblastine and its N-2 Borane Complex Primary tabs. *Détail( ... Home» Alkaloids From Catharanthus Roseus H-1-nmr Study of 20s-deoxyvinblastine and its N-2 Borane Complex ...
... borane-ammonia complex 13774-81-7 available in large quantity in China. Wholesale bulk Special Chemicals from our factory in ... Borane-ammonia complex CAS: 13774-81-7, is the simplest molecular boron-nitrogen-hydride compound and has attracted attention ... A Source of Hydrogen Fuels: Borane-ammonia Complex 13774-81-7 Available in Large Quantity in China. ... Ammonia borane has been suggested as a storage medium for hydrogen when the gas is used to fuel motor vehicles. It is more ...
Boranes containing two to 20 atoms of boron per molecule are known. The simplest borane, BH3, does not exist in a free... ... Find out information about Boranes. compounds of boron and hydrogen. ... The structure of other boranes is still more complex. In contrast to hydrocarbons, boranes form complex spatial structures ... Boranes. Also found in: Dictionary. Boranes. compounds of boron and hydrogen. Boranes containing two to 20 atoms of boron per ...
When appropriate, the differences in the reactivities of these complexes with their borane and cyclopentadienyl analogues are ... imidazole-borane complex formation and so forth. By using mesitylborane, defined organoboron polymer electrolytes bearing an ... The polymer was successfully isolated in the form of its polymeric acid-base complexes PS-BH2 • D (D = t BuPy, PPh2 Me). The ... Abstract: This article provides an overview of the recent developments in the area of transition metal complexes featuring ...
  • The CO and dihydride complexes also feature unusual multiceter bonding between the alane, platinum, and either a carbonyl or a hydride ligand. (mcmaster.ca)
  • Hydride-rich zinc cluster Zn4(HMDS)2H6·2IPr (1) (IPr = 1,3-bis(2,6-di-isopropylphenyl)imidazol-2-ylidene), which can be envisaged as a co-complex of IPr·ZnH2 and (HMDS)ZnH, is obtained when DMAB is employed, with the concomitant formation of heteroleptic bis(amido)borane [HB(NMe2)(HMDS)] and H2 evolution. (strath.ac.uk)
  • 7. The catalyst of claim 6 wherein the aluminum compound is a trialkylaluminum or dialkylaluminum hydride, the borane compound is a tris(haloaryl)borane and the metal borate compound is an alkali metal-, alkaline earth metal-, transition metal- or metal tetrakis,(haloaryl)borate. (google.ca)
  • Silver halide complexes of a borane/bis(phosphine) ligand. (nih.gov)
  • The FcPPAl ligand binds tenaciously to platinum in a range of oxidation states, yielding complexes with square pyramidal, T-shaped, and distorted square planar geometry. (mcmaster.ca)
  • We recently prepared a borane-appended analogue of dppf (dppf is a wide bite-angle bis-phosphine ligand used extensively in late transition metal catalysis). (mcmaster.ca)
  • One molecule of dba (dibenzylideneacetone) is bound between palladium and the borane of the TXPB ligand. (mcmaster.ca)
  • Formation of Dihydroindenyltitanium Complex from Titanacyclopentadiene with Cp Ligand (CRC, Hokkaido Univ. (csj.jp)
  • Reversible fac-mer Photoisomerization of Rhenium Complexes Bearing a PGeP-Pincer Type Ligand (Grad. (csj.jp)
  • The sterically encumbered b-diketiminate ligand, DIPP-nacnac ((2,6-iPr2C6H3)NC(Me)C(H)C(Me)N(2,6iPr2C6H3)), is essential for the stability of this heteroleptic complex. (docme.ru)
  • All newly prepared homoleptic and heteroleptic metal complexes were utilized as active pre-catalysts in atom economical reactions such as hydroelementation (hydroamination, hydrophosphination, hydrosilylation) reactions etc also followed by ring opening polymerization of cyclic esters and amides. (iith.ac.in)
  • Jun-ichi Ito and Hisao Nishiyama: Optically Active Bis(oxazolinyl)phenyl Metal Complexes as Multi-potent Catalysts. (springer.com)
  • An account of recent research on the syntheses, structures, and properties of the complexes formed between carboranes and metals in the pentagonal bipyramidal and icosahedral cage systems is given. (iospress.com)
  • Roman Jambor and Libor Dostál: The Chemistry of Pincer Complexes of 13 - 15 Main Group Elements. (springer.com)
  • Over the years, chemical processes have become more numerous, plants more complex, chemistry more pretentious and more toxic, and operating conditions more dangerous. (mt.com)
  • Bis(norbornyl)borane and 9-BBN are often used as "dummy" hydroboration reagents for this reason-only the R group derived from the hydroborated olefin is likely to migrate upon nucleophilic activation. (wikipedia.org)
  • Reaction of a Permethylsilyl(silylene)tungsten Complex with Sulfur Reagents (Sch. (csj.jp)
  • Here we report that glycidyl azide can be directly homopolymerized through anionic ring-opening polymerization to access poly(glycidyl azide) using onium salts as initiator and triethyl borane as activator. (nature.com)
  • In contrast to the prior literature, we report in this paper how PGA can be directly obtained from the anionic ring-opening polymerization (AROP) of GA in the presence of a mild Lewis acid, triethyl borane (TEB). (nature.com)
  • Electrocatalytic Water Reduction Beginning with a {Fe(NO) 2 } 10 -Reduced Dinitrosyliron Complex: Identification of Nitrogen-Doped FeO x (OH) y as a Real Heterogeneous Catalyst. (nih.gov)
  • Recently several amidoborane complexes of early main group metals have been introduced as convenient highcapacity hydrogen-storage materials: LiNH2BH3, NaNH2BH3, and Ca(NH2BH3)2. (docme.ru)
  • Formyltransferase/hydrolase complex (Fhc) generates formate from formyl-H 4 MPT in two consecutive reactions where MYFR acts as a carrier of one-carbon units. (pnas.org)
  • Lewis Acid Properties of Tris(pentafluorophenyl)borane. (wikipedia.org)
  • In many cases, the interaction between the Lewis base and Lewis acid in a complex is indicated by an arrow indicating the Lewis base donating electrons toward the Lewis acid using the notation of a dative bond -for example, Me 3 B←NH 3 . (wikipedia.org)
  • Furthermore, the borane acts as a lewis acid by accepting two electrons in its empty p orbital from an alkene that is electron rich. (libretexts.org)
  • It is usually prepared by combining borane-ether complexes and CO. The compound is mainly of theoretical and pedagogical interest. (wikipedia.org)
  • Despite extensive experimental and theoretical studies on dihydrogen (DHB) and hydrogen bonded (HB) complexes [ 6 - 18 ], few studies were simultaneously oriented toward systems containing both DHB and HB interactions [ 19 ]. (hindawi.com)
  • In contrast to those aforementioned, theoretical investigations of branched complexes in which two or more hydrogen bonds are formed by one proton-acceptor group predicted an inverse effect. (hindawi.com)
  • Theoretical study of a mechanism of dinitirogen conversion into ammonia and hydrazine catalyzed by a iron complex (IMCE, Kyushu Univ. (csj.jp)
  • 6. The catalyst of claim 1 wherein in the cation-generating cocatalyst, the first component is at least one aluminum compound, the second component is at least one borane compound and the third component is at least one metal borate compound. (google.ca)
  • Péter Bagi , Viktória Ujj , Mátyás Czugler , Elemér Fogassy , György Keglevich , Resolution of P-stereogenic P-heterocycles via the formation of diastereomeric molecular and coordination complexes (a review), Dalton Trans. (wiley.com)
  • write an equation for the formation of a trialkylborane from an alkene and borane. (libretexts.org)
  • A bidentate auxiliary tethered on the alkene substrates is crucial, which can promote the migratory insertion of nonactivated alkenes into the aminyl radical-metal complex and stabilize the resultant high-valent copper intermediate to allow for further transformations. (bioportfolio.com)
  • Chapter 3 reports that the metal-catalyzed hydrogen release from ammonia borane (AB) in an ionic liquid produces a significant increase in initial H2-release. (upenn.edu)
  • Ab initio and DFT calculations for such complexes were performed, and the Bader theory was applied to analyze H ⋯ H interactions. (hindawi.com)