منابع مشابه
Carbon-fluorine bond formation.
A selection of carbon-fluorine bond-forming reactions that have been developed in the recent past are presented. An overview of the most common fluorination reagents is followed by descriptions of fluorination reactions that are organized by reactivity. The distinction between nucleophilic and electrophilic fluorinations is highlighted, as well as between aliphatic and aromatic fluorinations. E...
متن کاملBaker’s yeast catalyzed Henry reaction: Biocatalytic C-C bond formation
The C-C bond formation is an important reaction in organic synthesis to obtain value-added intermediates. Therefore, in this paper an attempt has been made to accelerate the Henry reaction (C-C bond formation) between aryl aldehydes and nitromethane using less expensive whole cell biocatalyst, baker’s yeast (BY). The scope of the methodology was also tested for the heteryl aldehyde i.e. 2-chlor...
متن کاملPlatinum-oxygen Bond Formation: Kinetic and Mechanistic Studies
Reaction of [PtMe(C^N)(SMe2)] (C^N = 2-phenylpyridinate (ppy); 1a, C^N = benzo[h]quinolate, (bhq); 1b) with hydrogen peroxide gives the platinum(IV) complexes trans-[PtMe(OH)2(C^N)(H2O)] (C^N = ppy; 3a, C^N = bhq, 3b) bearing platinum-oxygen bonds. The Pt(II) complexes 1a and 1b have 5dπ(Pt)→π*(C^N) MLCT band in the visible region which is used to easily follow the kinetic of its reaction with ...
متن کاملBaker’s yeast catalyzed Henry reaction: Biocatalytic C-C bond formation
The C-C bond formation is an important reaction in organic synthesis to obtain value-added intermediates. Therefore, in this paper an attempt has been made to accelerate the Henry reaction (C-C bond formation) between aryl aldehydes and nitromethane using less expensive whole cell biocatalyst, baker’s yeast (BY). The scope of the methodology was also tested for the heteryl aldehyde i.e. 2-chlor...
متن کاملMechanism of ribosomal peptide bond formation.
The mechanism of peptide bond synthesis constitutes a fundamental and long-debated question in molecular biology. For many years, ribosomologists championed a protein-based mechanism, similar to the charge relay system that has been proposed for peptide hydrolysis by serine proteinases [references in (1)]. As it has become apparent that the peptidyl transferase center is composed mainly of RNA,...
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ژورنال
عنوان ژورنال: Nature Catalysis
سال: 2018
ISSN: 2520-1158
DOI: 10.1038/s41929-018-0184-4