10, p. 577 Furuta, K.; Gao, Q.-z.; Yamamoto, H. (1998). "Chiral (Acyloxy)borane Complex-catalyzed Asymmetric Diels-Alder ...

Furuta, Kyoji; Gao, Qing-Zhi; Yamamoto, Hisashi (1995). "Chiral (Acyloxy)borane Complex-Catalyzed Asymmetric Diels-Alder ...

"High Atom-Economical One-Pot Synthesis of Secondary Phosphines and Their Borane Complexes Using Recycling Phosphorus Donor ... as usual for complex splitting patterns due to dissimilar coupling partners). Other NMR-active nuclei can also cause these ...

These two borane compounds are otherwise slow to participate in hydroboration. In 1985, Männig and Nöth demonstrated for the ... Männing, D.; Nöth, H. (1985). "Catalytic Hydroboration with Rhodium Complexes". Angewandte Chemie International Edition. 24 (10 ... Oxidative addition of the B-H bond of the borane reagent to this 14 e− species is then followed by coordination of the alkene ... In 1990, Brown and co-workers achieved asymmetric hydroboration using an achiral catalyst and chiral borane sources derived ...

Many transition metal phosphinimide complexes have been well-developed as have main group phosphinimide complexes. In main ... Holthausen, Michael H.; Mallov, Ian; Stephan, Douglas W. (2014). "Phosphinimine-substituted boranes and borenium ions". Dalton ... These dimeric complexes yield different M-N bond lengths depending on the ligands present in the rest of the ligand sphere of M ... doi:10.1016/S0010-8545(97)90055-2. Dehnicke, Kurt; Weller, F. (1997). "Phosphorane Iminato Complexes of Main Group Elements". ...

"Double addition of H2 to transition metal-borane complexes: a 'hydride shuttle' process between boron and transition metal ... The ruthenium complex (1), upon heating, dissociates into a 18 electron complex (2) and a 16 electron complex (3), the former ... Iridium and rhenium complexes with bridging sulfides have been demonstrated to heterolytically cleave H2. Metal boron complexes ... ligand dearomatization is not observed when the complex is treated with base but rather a complex with a formal metal-carbon ...

... oxazaborole-borane Complex". Org. Synth. 74: 50. doi:10.15227/orgsyn.074.0050. Gibson MI, Hunt GJ, Cameron NR (September 2007 ... oxazaborole-borane Complex". Organic Syntheses. 74: 50. doi:10.15227/orgsyn.074.0050.{{cite journal}}: CS1 maint: multiple ...

The reaction is complex. Tetramethyl lead reacts with diborane to give a range of methyl-substituted diboranes, ending up at ... Isadore Shapiro; C. O. Wilson; J. F. Ditter; W. J. Lehmann (1961). Borax to Boranes (PDF). Advances in Chemistry Series. Vol. ... More methylated boranes are less stable. 1,2-Dimethyldiborane slowly converts to 1,1-dimethyldiborane. Methylborane hydrolyzes ... By treating monomethyldiborane with ether, dimethyl ether borane (CH3)2O.BH3 leaving methylborane which rapidly dimerises to 1, ...

... dysidiolide by Corey and co-workers was achieved via an enantioselective CBS reduction using a borane-dimethylsulfide complex. ... with various boranes as the stoichiometric reductant. The Corey group first demonstrated the catalyst's synthesis using borane ... Migration of the hydride from borane to the electrophilic ketone center occurs via a 6-membered ring transition state, leading ... The reduction mechanism begins with the oxazoborolidine, only slightly basic at nitrogen, coordinating to a borane reductant ( ...

The Boranes and Their Relatives. in Les Prix Nobel en 1976. Imprimerie Royal PA Norstedt & Soner, Stockholm. 110-131.[1][2] ... Some Results at 2.0-A Resolution, and the Complex with Glycyl-Tyrosine at 2.8-A Resolution". Proc Natl Acad Sci USA. 58 (6): ... Prelimitary Results at 2.8 A Resolution, and a Substrate Complex at 6 A Resolution". Proc Natl Acad Sci USA. 57 (3): 511-514. ... The 1976 Nobel Prize in Chemistry was awarded to Lipscomb "for his studies on the structure of boranes illuminating problems of ...

Catalysis by Metal Complexes. Springer Netherlands. pp. 113-141. doi:10.1007/978-90-481-3698-8_4. ISBN 9789048136971. Aitken, C ... Staubitz, Anne; Robertson, Alasdair P. M.; Manners, Ian (2010). "Ammonia-Borane and Related Compounds as Dihydrogen Sources". ... Especially active for this reaction are pincer complexes. Dehydrogenation of amines to nitriles using a variety of reagents, ... The dehydrogenation of amine-boranes is related reaction. This process once gained interests for its potential for hydrogen ...

The complex [Cu(PPh3)3Cl] can also be used to produce silyl esters. Tertiary silanes may also be dehydrogenatively coupled to ... Tris(pentafluorophenyl)borane (B(C6F5)3)) is yet another catalyst for the dehydrogenative coupling of tertiary silanes. This ... The nickel(I) complex [(dippe)Ni(µ-H)]2 promotes the dehydrogenative coupling of some silanes. While catalysts for ... Titanocene and related their complexes are typical catalysts. A typical reaction involves phenylsilane: n PhSiH3 → [PhSiH]n + n ...

Triarylborane amine complexes are used as catalysts for the polymerization of acrylic esters. Zettler, F.; Hausen, H. D.; Hess ... Even though triphenylborane and tris(pentafluorophenyl)borane are structurally similar, their Lewis acidity is not. BPh3 is a ... doi:10.1016/S0022-328X(00)81488-6. Erker, G. (2005). "Tris(pentafluorophenyl)borane: a special boron Lewis acid for special ... Triphenylborane can be used to make triarylborane amine complexes, such as pyridine-triphenylborane. ...

Generally, 2-10 mol% of this catalyst is used along with borane-tetrahydrofuran (THF), borane-dimethylsulfide, borane-N,N- ... "Asymmetric reduction of aromatic ketones with chiral alkoxy-amineborane complexes". J. Chem. Soc. Chem. Commun. (7): 315-317. ... Part 3. Enantioselective reduction of ketones and oxime ethers with reagents prepared from borane and chiral amino alcohols". J ... Corey, E. J.; Bakshi, R. K.; Shibata, S. (1987). "Highly enantioselective borane reduction of ketones catalyzed by chiral ...

RO+(−BBr3)CH3 + RO+(−BBr3)CH3→ RO(−BBr3) + CH3Br + RO+(BBr2)CH3 The dibromo(organo)borane can then undergo hydrolysis to give a ... The mechanism of dealkylation of tertiary alkyl ethers proceeds via the formation of a complex between the boron center and the ... ether oxygen followed by the elimination of an alkyl bromide to yield a dibromo(organo)borane. ROR + BBr3 → RO+(−BBr3)R → ...

... boranes, and trityl borates. The catalytic systems based on CGCs, however, display incorporation of alpha-olefin comonomers to ... CGC complexes feature a pi-bonded moiety (e.g. cyclopentadienyl) linked to one of the other ligands on the same metal centre in ... Shapiro, P. J.; Bunel, E.; Schaefer, W. P.; Bercaw, J. E. "Scandium Complex [{(η5-C5Me4)Me2Si(η1-NCMe3)}(PMe3)ScH]2: A Unique ... The first CGC was reported by Shapiro and Bercaw for a scandium complex. The following year patents were issued to The Dow ...

... new route to synthesizing hydrogen-storage materials for fuel cells based on the complex chemistry of amines and boranes. In ... new route to synthesizing hydrogen-storage materials for fuel cells based on the complex chemistry of amines and boranes. In ... Wu researches the synthesis, structure, solid state chemistry, and properties of complex oxides and hydrides. She received the ...

5-dihydrofurans with a borane in the presence of a homogeneous chiral platinum complex, followed by oxidation. Racemic 3- ... Anthony Lowe, et al., "Dithiophosphato platinum complexes for the treatment of cancers" PCT Int. Appl., 2005095425 (2005) H. ... 3-hydroxytetrahydrofuran has been synthesized via hydroboration of 2,3- and 2,5-dihydrofuran employing various borane reagents ... Hydroboration of representative heterocyclic olefins with borane-methyl sulfide, 9-borabicyclo[3.3.1]nonane, dicyclohexylborane ...

Some homoleptic borohydride complexes are volatile. One example is uranium borohydride. Metal borohydride complexes can often ... Reminiscent of related work on ammonia borane, challenges are associated with slow kinetics and low yields of hydrogen as well ... In its coordination complexes, the borohydride ion is bound to the metal by means of one to three bridging hydrogen atoms. In ... When the borohydride complex is volatile, this decomposition pathway is the basis of chemical vapor deposition (CVD), a way of ...

Sandwich Complex [(thf)3Ca(μ-C6H3-1,3,5-Ph3)Ca(thf)3] and Stability of Aryl-Substituted Phenylcalcium Complexes". Journal of ... Zn(III) has been predicted to be stable in compounds with highly stabilized borane-based trianions, but no Zn(III) candidates ... Octacarbonyl complexes isolated of Ca, Sr, Ba have been observed in a neon matrix, but it remains unclear whether these are ... Complexes of Nb(0) and Ta(0) have been observed, see Holleman, Arnold F.; Wiberg, Egon; Wiberg, Nils (2003). "4.5.7. Niobium(0 ...

Many of the boranes readily oxidise on contact with air, some violently. The parent member BH3 is called borane, but it is ... Organoboron chemicals have been employed in uses as diverse as boron carbide (see below), a complex very hard ceramic composed ... The larger boranes all consist of boron clusters that are polyhedral, some of which exist as isomers. For example, isomers of ... Boranes are chemical compounds of boron and hydrogen, with the generic formula of BxHy. These compounds do not occur in nature ...

This kind of H−H interaction is distinct from the H−H bonding interaction in transition metal complexes having dihydrogen bound ... the amine is a protic acid and the borane end is hydridic. The resulting B−H...H−N attractions stabilize the molecule as a ... doi:10.1021/ar040006j Kubas, Gregory J. (2001-08-31). Metal Dihydrogen and -Bond Complexes - Structure, Theory, and Reactivity ... Protonation of transition metal hydride complexes is generally thought to occur via dihydrogen bonding. ...

Diborane (B2H6) is an inorganic dimer of Borane. B2H6 exists as a structure where two hydrogen atoms bridge the two boron atoms ... Protein dimers arise from the interaction between two proteins which can interact further to form larger and more complex ... The dimer of formaldehyde (CH2O) is dioxetane (C2H4O2). Borane (BH3) occurs as the dimer diborane (B2H6), due to the high Lewis ... For symmetric proteins, the larger protein complex can be broken down into smaller identical protein subunits, which then ...

boronium cation, BH+4 (protonated borane) further boronium cations, B xH+ y (protonated boranes) carbonium ions (protonated ... Onium ions and onium compounds are inversely analogous to -ate ions and ate complexes: Lewis bases form onium ions when the ...

... can be used in the generation of borane (BH3) by reacting methanesulfonic acid with NaBH4 in an aprotic ... does not form complexes with metal ions in water, its anion, mesylate, is non-toxic and suitable for pharmaceutical ... "Integrated Approach to the Development and Understanding of the Borane Reduction of a Carboxylic Acid". Org. Process Res. Dev. ... solvent such as THF or DMSO, the complex of BH3 and the solvent is formed. Solutions of methanesulfonic acid are used for the ...

It is found by theoretical calculations that an O-H homolysis reaction in the borane-water complex is endothermic with an ... An even more convenient hydrogen donor is provided by trialkylborane-water complexes such as trimethylborane contaminated with ... 3B.H2O complex 3 provides a hydrogen for recombining with this radical to the alkane 6 leaving behind diethyl borinic acid and ... the borane itself. Chugaev elimination Barton, D. H. R.; McCombie, S. W. (1975). "A new method for the deoxygenation of ...

The chiral (acyloxy)borane or "CAB" catalyst 1, titanium-BINOL system 2, and silver-BINAP system 3 provide addition products in ... Complex reaction mixtures may result if transmetalation is not complete or if an equilibrium between allylic isomers exists. ...

Michael system Michael condensation Michaelis-Arbuzov reaction Midland Alpine borane reduction Mignonac reaction Milas ... McMurry reaction Meerwein arylation Meerwein-Ponndorf-Verley reduction Meisenheimer rearrangement Meissenheimer complex ...

2 The adducts formed from phosphines and borane are useful reagents. These phosphine-boranes are air-stable, but the borane ... For example, silver chloride reacts with triphenylphosphine to 1;1 and 1:2 complexes: PPh3 + AgCl → ClAgPPh3 PPh3 + ClAgPPh3 → ... Brunel, Jean Michel; Faure, Bruno; Maffei, Michel (1998). "Phosphane-Boranes: Synthesis, Characterization and Synthetic ... Complexes derived from the chiral phosphines can catalyse reactions to give chiral, enantioenriched products. The phosphorus ...

The platinum complex is a precursor to a 16-electron complex of ethylene: Pt(COD)2 + 3C2H4 → Pt(C2H4)3 + 2COD COD complexes are ... COD reacts with borane to give 9-borabicyclo[3.3.1]nonane, commonly known as 9-BBN, a reagent in organic chemistry used in ... The M(COD)2 complexes with nickel, palladium, and platinum have tetrahedral geometry, whereas [M(COD)2]+ complexes of rhodium ... Selected metal 1,5-COD complexes. Bis(cyclooctadiene)nickel(0). Crabtree's catalyst. The complex Rh2(COD)2Cl2. Co(1,5- ...