Dehydrogenation of aromatic amines to imines via ruthenium-catalyzed hydrogen transfer
Even imines bearing labile functional groups were smoothly transferred to amines with very low catalyst loadings and short ... Open this publication in new window or tab ,,Ruthenium-catalyzed hydrogen transfer involving amines and imines: Mechanistic ... The complexation of the imine to the catalyst and the decomplexation patterns of the formed ruthenium-amine complexes, isotope ... Then the reverse reaction, transfer dehydrogenation of amines to imines, was investigated using either MnO2 or oxygen as ...http://su.diva-portal.org/smash/record.jsf?pid=diva2:193994
Browsing DUCURS by Subject "Infrared spectroscopy"
The ongoing investigation of the synthesis of α-amino acids was done via a metallorganic reaction of imines using ... ...http://escholarshare.drake.edu/handle/2092/231/browse?value=Infrared+spectroscopy&type=subject
Molecules | Free Full-Text | A Molecular Electron Density Theory Study of the Reactivity of Azomethine Imine in [3+2]...
The electronic structure and the participation of the simplest azomethine imine (AI) in [3+2] cycloaddition (32CA) reactions ... A Molecular Electron Density Theory Study of the Reactivity of Azomethine Imine in [3+2] Cycloaddition Reactions. Luis R. ... Domingo, L.R.; Ríos-Gutiérrez, M. A Molecular Electron Density Theory Study of the Reactivity of Azomethine Imine in [3+2] ... Domingo LR, Ríos-Gutiérrez M. A Molecular Electron Density Theory Study of the Reactivity of Azomethine Imine in [3+2] ...http://www.mdpi.com/1420-3049/22/5/750
Acid- and salt-triggered multifunctional poly(propylene imine) dendrimer as a prospective drug delivery system. | Sigma-Aldrich
Acid- and salt-triggered multifunctional poly(propylene imine) dendrimer as a prospective drug delivery system.. [Constantinos ... For this purpose, a multifunctional dendrimeric system derived from diaminobutane poly(propylene imine) dendrimers (DAB) is ...https://www.sigmaaldrich.com/catalog/papers/15003016
Amine synthesis by amide reduction
Imines can be isolated after a basic workup or readily transformed to the aldehydes following an acidic workup. The amine ... The stepwise reduction to secondary amine proceeds through an imine intermediate that can be isolated when only 2 equiv of ... Reduction of secondary amides to imines and secondary amines has been achieved using low catalyst loadings of readily available ...http://www.organic-chemistry.org/synthesis/C1H/reductionamides.shtm
Stimuli-responsive emissive behavior of 1- and 1,3-connectivities in azulene-based imine ligands: cycloplatination and Pt-Tl...
These imine ligands display stimuli responsive emissive behavior and their fluore ... The preparation of two new azulene-based imine ligands N-(2,6-diisopropylphenyl)-6-tBu-1-azulenylmethaneimine, 3, and N-(2,6- ... The preparation of two new azulene-based imine ligands N-(2,6-diisopropylphenyl)-6-tBu-1-azulenylmethaneimine, 3, and N-(2,6- ... These imine ligands display stimuli responsive emissive behavior and their fluorescence can be switched on and off by ...http://pubs.rsc.org/en/content/articlelanding/2017/dt/c7dt02359f
N-Sulfinyl imine - Wikipedia
N-Sulfinyl imines (N-sulfinylimines, sulfinimines, thiooxime S-oxides) are a class of imines bearing a sulfinyl group attached ... A more general method for the preparation of N-sulfinyl imines is the asymmetric oxidation of achiral sulfenyl-imines with a ... Davis in 1974 by oxidation of p-toluene-sulfenyl imines with m-CPBA. Enantiopure p-toluene-sulfinyl imines, described by M. ... These imines display usefully stereoselectivity reactivity and due to the presence of the chiral electron withdrawing N- ...https://en.wikipedia.org/wiki/N-Sulfinyl_imine
Acetone imine - Wikipedia
... the acetone imine must be dried because it hydrolyzes when exposed to water Acetone imine is a colorless, flammable, volatile, ... Acetone imine, or 2-propanimide is an organic compound and an imide with the chemical formula (CH3)2CNH. It is a volatile and ... The method to synthesize acetone imine is similar to the production of acetone oxime. The only difference is that it is made by ... "Hydrolysis of imines to give ketones (or aldehydes) - Master Organic Chemistry". www.masterorganicchemistry.com. ...https://en.wikipedia.org/wiki/Acetone_imine
Sydnone imine - Wikipedia
Sydnone imine is the imine of sydnone where the keto functional group of sydnone (=O) has been replaced with an imine (=NH) ... A sydnone imine substructure can be found in the drugs feprosidnine, mesocarb, molsidomine, ciclosidomine, and linsidomine. ... Sydnone imine is a mesoionic heterocyclic aromatic chemical compound. ...https://en.wikipedia.org/wiki/Sydnone_imine
Imine Diels-Alder reaction - Wikipedia
Thus, (E) imines, in which the lone pair and larger imine carbon substituent are cis, tend to give exo products. (2) When the ... The imine Diels-Alder reaction involves the transformation of all-carbon dienes and imine dienophiles into tetrahydropyridines ... 5) Attaching an electron-withdrawing group to the imine nitrogen increases the reactivity of the imine. The exo isomer usually ... These reactions involve the lowest unoccupied molecular orbital (LUMO) of the imine, meaning that imines substituted with ...https://en.wikipedia.org/wiki/Imine_Diels%E2%80%93Alder_reaction
Quinone Imines as Biological Reactive Intermediates | SpringerLink
Quinone imines represent a class of biological reactive intermediates that has been the focus of intensive toxicological ... 1. These quinone imines are of toxicological significance since N-acetyl-p-benzoquinone imine is a postulated reactive ... 1986) Quinone Imines as Biological Reactive Intermediates. In: Kocsis J.J., Jollow D.J., Witmer C.M., Nelson J.O., Snyder R. ( ... Two representative quinone imines that have been subjects of research in this laboratory and others are shown in Fig. ...https://link.springer.com/chapter/10.1007/978-1-4684-5134-4_59
Special issue: Iminium Salts and Imines : Zeitschrift für Naturforschung B
Prices in US$ apply to orders placed in the Americas only. Prices in GBP apply to orders placed in Great Britain only. Prices in € represent the retail prices valid in Germany (unless otherwise indicated). Prices are subject to change without notice. Prices do not include postage and handling if applicable. RRP: Recommended Retail Price ...https://www.degruyter.com/view/j/znb.2016.71.issue-6/issue-files/znb.2016.71.issue-6.xml
Useful Chemistry: Imine Understanding
Imine Understanding As can be seen from most of the recent changes on the UsefulChem wiki, Khalid, Alicia and James have been ... However, closer inspection of that article reveals that the imine was not characterized and used as a crude product in a ... There have been published attempts of the creating of an imine between phenylacetaldehyde and t-butylamine (Verhe 1980) in CCl4 ... Although our analysis is not complete, we have uncovered some important information relating to the formation of the imine, ...http://usefulchem.blogspot.com/2006/12/imine-understanding.html
Doxorubicin-loaded aromatic imine-contained amphiphilic branched star | IJN
Aromatic imine linkage is stable in neutral water, but is acid-labile; controlled release of DOX from the BSP-H-DOX micelles ... Doxorubicin-loaded aromatic imine-contained amphiphilic branched star polymer micelles: synthesis, self-assembly, and drug ... Aromatic imine linkage is stable in neutral water, but is acid-labile; controlled release of DOX from the BSP-H-DOX micelles ... Doxorubicin-loaded aromatic imine-contained amphiphilic branched star polymer micelles: synthesis, self-assembly, and drug ...https://www.dovepress.com/doxorubicin-loaded-aromatic-imine-contained-amphiphilic-branched-star--peer-reviewed-article-IJN
Protective activity of aromatic amines and imines against oxidative nerve cell death
Moosmann, Bernd; Skutella, Thomas; Beyer, Klaus und Behl, Christian (2001): Protective activity of aromatic amines and imines ... Aromatic amines and imines are effective against oxidative glutamate toxicity, glutathione depletion, and hydrogen peroxide ... We have investigated different aromatic amine and imine compounds for neuroprotective antioxidant functions in cell culture, ... With half-maximal effective concentrations of 20-75 nm in different neuroprotection experiments, the aromatic imines ...https://epub.ub.uni-muenchen.de/17858/index.html
UsefulChem - Chapter 4 - Imine Synthesis
4.2.2 Imine Synthesis (Holsey 2006A, Holsey 2006B). Scheme 4.2 Formation of the imine (31) using piperonal(16) and 5-MFA (18). ... Figure 4.4 HNMR of Imine Synthesis after three hours in methanol.. From this we can gather that the formation of the imine is ... Scheme 4.1 Mechanism of Imine Formation. Synthesis of the imine in the Ugi reaction is described in this chapter.. 4.2 ... The formation of the imine is the initial step in the Ugi reaction (Ugi 2000). The imine is formed when a ketone or aldehyde ( ...https://usefulchem.wikispaces.com/Chapter+4+-+Imine+Synthesis?responseToken=57545095d9652c500110c6cb2382b323
HEXAFLUOROACETONE IMINE (CAS 1645-75-6) Market Research Report 2018
The report generally describes hexafluoroacetone imine, examines its uses, production methods, patents. HEXAFLUOROACETONE IMINE ... Hexafluoroacetone imine prices in other regions. 7. HEXAFLUOROACETONE IMINE END-USE SECTOR 7.1. Hexafluoroacetone imine market ... Hexafluoroacetone imine market forecast. 6. HEXAFLUOROACETONE IMINE MARKET PRICES. 6.1. Hexafluoroacetone imine prices in ... 3. HEXAFLUOROACETONE IMINE MANUFACTURING METHODS. 4. HEXAFLUOROACETONE IMINE PATENTS. Abstract. Description. Summary of the ...https://marketpublishers.com/report/industry/chemicals_petrochemicals/hexafluoroacetone_imine_1645-75-6_market_research_report.html
Asymmetric Hydrogenation of Imines and Olefins Using Phosphine-oxazoline Iridium Complexes as Catalysts
... Trifonova, Anna ... High performance catalysts were developed for both transformations allowing asymmetric hydrogenation of imines with 92% ee and ... Resulting phosphine-oxazolines were evaluated in Ir-catalyzed asymmetric hydrogenation of structurally diverse imines and ... imine, olefin, Organisk kemi National Category Organic Chemistry Identifiers. urn:nbn:se:uu:diva-5783 (URN)91-554-6243-X (ISBN) ...http://uu.diva-portal.org/smash/record.jsf?pid=diva2:166373
Cooperative Transition-Metal and Chiral Brønsted Acid Catalysis: Enantioselective Hydrogenation of Imines To Form Amines - Zhou...
Hui-Jie Pan, Yao Zhang, Chunhui Shan, Zhaoyuan Yu, Yu Lan, Yu Zhao, Asymmetric Transfer Hydrogenation of Imines using Alcohol: ... Hui-Jie Pan, Yao Zhang, Chunhui Shan, Zhaoyuan Yu, Yu Lan, Yu Zhao, Asymmetric Transfer Hydrogenation of Imines using Alcohol: ... Cooperative Transition-Metal and Chiral Brønsted Acid Catalysis: Enantioselective Hydrogenation of Imines To Form Amines†. ...http://onlinelibrary.wiley.com/doi/10.1002/anie.201100878/full
Reversible water uptake by a stable imine-based porous organic cage - Chemical Communications (RSC Publishing)
imine. -based porous organic cage T. Hasell, M. Schmidtmann, C. A. Stone, M. W. Smith and A. I. Cooper, Chem. Commun., 2012, 48 ... imine. -based molecular crystals suggests scope for practical applications in humid environments. ...http://pubs.rsc.org/en/content/articlelanding/2012/CC/C2CC31212C
Molecules | Free Full-Text | Chiral Bis(Imidazolidine)Pyridine-Cu Complex-Catalyzed Enantioselective [3+2]-Cycloaddition of...
3+2] Cycloaddition of azomethine imines with electron-deficient terminal alkynes was smoothly catalyzed by a chiral bis( ... 3+2] Cycloaddition of azomethine imines with electron-deficient terminal alkynes was smoothly catalyzed by a chiral bis( ... Chiral Bis(Imidazolidine)Pyridine-Cu Complex-Catalyzed Enantioselective [3+2]-Cycloaddition of Azomethine Imines with ... "Chiral Bis(Imidazolidine)Pyridine-Cu Complex-Catalyzed Enantioselective [3+2]-Cycloaddition of Azomethine Imines with ...http://mdpi.com/1420-3049/17/5/6170
New surface hydroxylated and internally quaternised poly(propylene imine) dendrimers as efficient biocompatible drug carriers...
New surface hydroxylated and internally quaternised poly(propylene imine) dendrimers as efficient biocompatible drug carriers ... propylene imine) (PPI) dendrimers for effective delivery of the drug Norfloxacin (NFN).. ...https://www.ncbi.nlm.nih.gov/pubmed/23789895
Carbohydrate-Derived Organocatalysts for the Reduction of Imines with Trichlorosilane - Open Access Library
In order to reduce imines with trichlorosilane, the carbohydrate-derived organocatalysts were prepared and screened. Methyl-4,6 ... Carbohydrate-Derived Organocatalysts for the Reduction of Imines with Trichlorosilane. DOI: 10.4236/msce.2015.36008, PP. 48-53 ... In order to reduce imines with trichlorosilane, the carbohydrate-derived organocatalysts were prepared and screened. Methyl-4,6 ... Based Valine-Derived Formamide Organocatalysts by CuAAC Click Chemistry and Their Application in Asymmetric Reduction of Imines ...http://www.oalib.com/paper/3148191