Results 31 to 40 of about 4,788 (230)
Nature Communications, 2020 Chiral 1,2-diamines are useful chemicals used as ligands in asymmetric catalysis. Here, the authors report a copper(I)-catalyzed asymmetric α-addition of ketimines derived from trifluoroacetophenone and 2- or 4-NO2-benzylamines to aldimines, affording a ...
Xu-Cheng Gan +4 more
doaj +1 more source
Synthesis of Quinazoline and Quinazolinone Derivatives via Ligand-Promoted Ruthenium-Catalyzed Dehydrogenative and Deaminative Coupling Reaction of 2-Aminophenyl Ketones and 2-Aminobenzamides with Amines [PDF]
, 2019 The in situ formed ruthenium catalytic system ([Ru]/L) was found to be highly selective for the dehydrogenative coupling reaction of 2-aminophenyl ketones with amines to form quinazoline products.
Arachchige, Pandula T. Kirinde +1 more
core +3 more sources
Benzylamine oxidase from brain microvessels
FEBS Letters, 1983 Copper‐containing benzylamine oxidase with a specific activity of 200 units was isolated from bovine brain microvessels. It was shown that the content of the enzyme in microvessels was significantly higher as compared with large blood vessels such as heart aorta. Some physico‐chemical properties of the enzyme were determined.
Mehrabian, Z.B., Nalbandyan, R.M.
openaire +2 more sources
Aerobic oxidative dehydrogenations of benzyl alcohols to benzaldehydes by using a cyclometalated ruthenium catalyst [PDF]
, 2012 The ruthenium(III) complex bearing phenylpyridine as acyclometalated ligand serves as an efficient catalyst for the aerobicoxidativedehydrogenation of benzylalcohols to the corresponding benzaldehydes under mild conditions and for the one-pot synthesis ...
Beh Xin Ning +6 more
core +1 more source
Angewandte Chemie, EarlyView.We developed a novel domino polymerization to synthesize reductively degradable poly(disulfide)s with tunable side chains. A novel monomer bearing thiolactone and pyridyl disulfide groups reacts with various amines, enabling continuous ring‐opening and disulfide exchange.
Yukiya Kitayama +2 more
wiley +2 more sources
Neue Methode zur reduktiven Desaminierung primärer aliphatischer Amine
CHIMIA, 1988 A new method for reductive deamination of primary aliphatic amines via tributyltin hydride reduction of aromatic imidoyl chlorides is reported. Good yields of hydrocarbons were obtained from benzylamines and cyclohexylamine, but not from 1-alkylamines.
Thomas Wirth, Christoph Rüchardt
doaj +1 more source
Ligand-Controlled Asymmetric Arylation of Aliphatic α-Amino Anion Equivalents [PDF]
, 2014 A palladium-catalyzed asymmetric arylation of 9-aminofluorene-derived imines using a chiral dialkylbiaryl phosphine as the supporting ligand has been developed.
Buchwald, Stephen Leffler, Zhu, Ye
core +5 more sources
Angewandte Chemie, EarlyView.The vanadium‐dependent haloperoxidase (VHPO) class of enzymes has been shown to catalyze cryptic nitrile oxide generation in an oxidative [3+2] cycloaddition reaction between aldoximes and alkenes to generate isoxazolines. This biotechnology has been applied to a chemoenzymatic sequence starting from aldehydes through in situ condensation with ...
Manik Sharma, Kyle F. Biegasiewicz
wiley +2 more sources
Molecules, 2021 17β-Hydroxysteroid dehydrogenase type 3 (17β-HSD3) is expressed at high levels in testes and seminal vesicles; it is also present in prostate tissue and involved in gonadal and non-gonadal testosterone biosynthesis.
Nigel Vicker +7 more
doaj +1 more source
Metal-organic frameworks as selective or chiral oxidation catalysts [PDF]
, 2014 Since the discovery of Metal Organic Frameworks (MOFs) in the early 1990s, the amount of new structures has grown exponentially. A MOF typically consists of inorganic nodes that are connected by organic linkers to form crystalline, highly porous ...
Leus, Karen +2 more
core +1 more source