[EN] NOVEL PROCESSES FOR PREPARING TRIAZOLO[4,5-D]PYRIMIDINE DERIVATIVES AND INTERMEDIATES THEREOF<br/>[FR] NOUVEAUX PROCÉDÉS DE PRÉPARATION DE DÉRIVÉS TRIAZOLO[4,5-D]PYRIMIDINE ET DE LEURS INTERMÉDIAIRES
申请人:ACTAVIS GROUP PTC EHF
公开号:WO2012085665A3
公开(公告)日:2013-01-10
[EN] PROCESSES FOR THE PREPARATION OF BISPYRIBAC SODIUM AND INTERMEDIATES THEREOF<br/>[FR] PROCÉDÉS DE PRÉPARATION DE BISPYRIBAC-SODIUM ET D'INTERMÉDIAIRES DE CELUI-CI
申请人:GHARDA CHEMICALS LTD
公开号:WO2014128719A3
公开(公告)日:2014-12-24
PROCESSES FOR PREPARING TICAGRELOR INTERMEDIATE, 4,6-DICHLORO-5-NITRO-2-(PROPYLTHIO)PYRIMIDINE
申请人:Khile Anil Shahaji
公开号:US20130030176A1
公开(公告)日:2013-01-31
Provided herein are improved, commercially viable and industrially advantageous processes for the preparation of a substantially pure ticagrelor intermediate, 4,6-dichloro-5-nitro-2-(propylthio)pyrimidine, Formula (II). The intermediate is useful for preparing ticagrelor, or a pharmaceutically acceptable salt thereof in high yield and purity.