203314-28-7Relevant articles and documents
An Improved Process for the Enantioselective Synthesis of HCV NS5A Inhibitor Elbasvir (MK-8742) Chiral Amine Intermediate
Chapala, Vijaya Lakshmi,Katari, Naresh Kumar,Kerru, Nagaraju,Malavattu, Giri Prasad,Marisetti, Vishnu Murthy,Reddy, Pedavenkatagari Narayana
, p. 932 - 938 (2021/06/26)
Abstract: Large-scale enantioselective synthesis of the chiral amine unit of HCV NS5A inhibitor Elbasvir has been accomplished in six steps, with 55% overall yield. The process includes a highly enantioselective reduction of the NH imine using R-(+)-diphe
Synthetic method for 2,5-dibromophenylacetic acid
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, (2018/03/24)
The invention discloses a synthetic method for an intermediate 2,5-dibromophenylacetic acid of an anti-HCV drug. According to the invention, dibromobenzene is used as a raw material and is subjected to chloromethylation, cyanidation and hydrolysis success
Synthesis of N-alkoxyindol-2-ones by copper-catalyzed intramolecular N-arylation of hydroxamates
Kukosha, Tatyana,Trufilkina, Nadezhda,Katkevics, Martins
, p. 2525 - 2528 (2011/11/13)
The first example of copper-catalyzed intramolecular N-arylation of hydroxamic acid derivatives is presented. Based on this transformation a new method for the synthesis of N-alkoxyindol-2-ones from 2-(2-bromoaryl) acetylhydroxamates has been developed. T