[EN] SYNTHESIS OF 2-(3,4-DIFLUOROPHENYL)CYCLOPROPANAMINE DERIVATIVES AND SALTS<br/>[FR] SYNTHÈSE DE DÉRIVÉS DE LA 2-(3,4-DIFLUOROPHÉNYL)CYCLOPROPANAMINE ET DE SELS DE CELLE-CI
申请人:SANDOZ AG
公开号:WO2013144295A1
公开(公告)日:2013-10-03
The present invention relates to the field of organic synthesis and describes the synthesis of specific intermediates suitable for the preparation of triazolopyrimidine compounds such as ticagrelor.
INTERMEDIATE OF TICAGRELOR AND PREPARATION METHOD THEREFOR, AND PREPARATION METHOD FOR TICAGRELOR
申请人:JIANGSU HENGRUI MEDICINE CO., LTD.
公开号:US20160052928A1
公开(公告)日:2016-02-25
Disclosed are intermediates of Ticagrelor and a preparation method therefor, and a preparation method for Ticagrelor. Specifically, disclosed is an intermediate, namely, a compound of Formula (VI), for preparing Ticagrelor. Further disclosed is a method for preparing the intermediate and a method for preparing Ticagrelor by using the intermediate. Ticagrelor is prepared by using the intermediate, so that the synthesis process is simple, and a defect that long reaction times under high temperature that are required in the existing methods are avoided. The method is suitable for mass production in industry, energy consumption is reduced, pollution of the environment is reduced, and discharge of waste is reduced.
[EN] SYNTHESIS OF TRIAZOLOPYRIMIDINE COMPOUNDS<br/>[FR] SYNTHÈSE DE COMPOSÉS DE TRIAZOLOPYRIMIDINE
申请人:LEK PHARMACEUTICALS
公开号:WO2013092900A1
公开(公告)日:2013-06-27
The present invention relates to the field of organic synthesis and describes the synthesis of specific intermediates suitable for the preparation of triazolopyrimidine compounds such as ticagrelor.