منابع مشابه
A PdAg bimetallic nanocatalyst for selective reductive amination of nitroarenes.
Herein we have identified an optimal catalyst, Pd1Ag1.7, for the tandem reductive amination between nitroarenes and aldehydes (selectivity > 93%). Key to the success is the ability to control the compositions of the investigational Pd1-xAgx (x = 0-1) catalysts, as well as the clear composition dependent activity/selectivity trend observed in this study. This catalyst features a wide substrate s...
متن کاملDirect amidation of esters with nitroarenes
Esters are one of the most common functional groups in natural and synthetic products, and the one-step conversion of the ester group into other functional groups is an attractive strategy in organic synthesis. Direct amidation of esters is particularly appealing due to the omnipresence of the amide moiety in biomolecules, fine chemicals, and drug candidates. However, efficient methods for dire...
متن کاملTransamination and Reductive Amination
Æ-Keto acids can be reductively aminated to Æ-amino acids via amino acid dehydrogenase catalysis, with NAD(P)H as cofactor. The nitrogen source for the amine functionality is ammonia, the least expensive source. Regeneration of the co-factor NAD(P)+ back to NAD(P)H is required for synthesis and is commonly afforded via formate dehydrogenase catalyzed oxidation of formate to carbon dioxide or gl...
متن کاملDNA-catalyzed reductive amination.
Deoxyribozymes are particular DNA sequences that have catalytic ability, analogous to protein enzymes as functional amino acid sequences. The discovery of natural RNA enzymes (ribozymes) spurred the search for artificial deoxyribozymes, which are identified by in vitro selection. Most deoxyribozyme-catalyzed reactions involve phosphodiester bond cleavage or ligation, although other reactions su...
متن کاملEnantioselective organocatalytic reductive amination.
The first enantioselective organocatalytic reductive amination reaction has been accomplished. The development of a new chiral phosphoric acid catalyst has provided a convenient strategy for the enantioselective construction of protected primary amines and provided a highly stereoselective method for the reductive amination of heterocyclic amines. A diverse spectrum of ketone and amine substrat...
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ژورنال
عنوان ژورنال: Angewandte Chemie International Edition
سال: 2017
ISSN: 1433-7851,1521-3773
DOI: 10.1002/anie.201706982