[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PRASUGREL HYDROCHLORIDE AND ITS INTERMEDIATES [FR] PROCÉDÉ PERFECTIONNÉ POUR LA PRÉPARATION DE CHLORHYDRATE DE PRASUGREL ET DE SES INTERMÉDIAIRES
[EN] AN IMPROVED PROCESS FOR THE PREPARATION OF PRASUGREL HYDROCHLORIDE AND ITS INTERMEDIATES [FR] PROCÉDÉ PERFECTIONNÉ POUR LA PRÉPARATION DE CHLORHYDRATE DE PRASUGREL ET DE SES INTERMÉDIAIRES
[EN] PRASUGREL SALTS WITH IMPROVED PROPERTIES<br/>[FR] SELS DE PRASUGREL AVEC DES PROPRIÉTÉS AMÉLIORÉES
申请人:HELM AG
公开号:WO2009098142A1
公开(公告)日:2009-08-13
Acid addition salts of 2-acetoxy-5-(α-cyclopropylcarbonyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine with sulfuric acid or sulfonic acids, pharmaceutical compositions comprising the same and processes for the production thereof. The acid addition salts have a low toxicity.
2-silyloxy-tetrahydrothienopyridine, salt thereof and process for
申请人:UBE Industries, Ltd.
公开号:US05874581A1
公开(公告)日:1999-02-23
A 2-silyloxy-4,5,6,7-tetrahydrothieno\x9b3,2-c!pyridine represented by the formula (I): ##STR1## wherein R.sup.1, R.sup.2 and R.sup.3 each independently represent an alkyl group having 1 to 10 carbon atoms or an aryl group, and a salt thereof and a process for preparing the same, and a 5-alkyl-2-silyloxy-4,5,6,7-tetrahydrothieno\x9b3,2-c!-pyridine represented by the formula (IV): ##STR2## wherein R.sup.1, R.sup.2 and R.sup.3 represent the same meanings as described above; R.sup.4 represents a hydrogen atom, an alkoxycarbonyl group having 2 to 10 carbon atoms, an acyl group having 2 to 10 carbon atoms or a cyclo-alkylcarbonyl group having 4 to 10 carbon atoms; and R.sup.5 represents a halogen atom, an alkyl group having 1 to 4 carbon atoms or an alkoxy group having 1 to 4 carbon atoms, which is useful as a synthetic intermediate of an antiplatelet medicine and an elastase inhibitor, etc., and a process for preparing the same.
PROCESSES FOR THE PREPARATION OF PRASUGREL , AND ITS SALTS AND POLYMORPHS
申请人:Padi Pratap Reddy
公开号:US20100261908A1
公开(公告)日:2010-10-14
Processes for the preparation of prasugrel and its pharmaceutically acceptable salts thereof. Also disclosed are polymorphic forms of prasugrel hydrochloride and processes for their preparation.