[EN] PROCESS FOR THE PREPARATION OF|(2Z,5Z)-5-(3-CHLORO-4-((R)-2,3-DIHYDROXYPROPOXY)BENZYLIDENE)-2-(PROPYLIMINO)-3-|(O-TOLYL)THIAZOLIDIN-4-ONE AND INTERMEDIATE USED IN SAID PROCESS<br/>[FR] PROCÉDÉ DE PRÉPARATION DE (2Z,5Z)-5-(3-CHLORO-4-((R)-2,3-DIHYDROXYPROPOXY)BENZYLIDENE)-2-(PROPYLIMINO)-3-|(O-TOLYL)THIAZOLIDIN-4-ONE ET INTERMÉDIAIRE UTILISÉ DANS LEDIT PROCÉDÉ
申请人:ACTELION PHARMACEUTICALS LTD
公开号:WO2014027330A1
公开(公告)日:2014-02-20
The present invention relates to a new process for the preparation of (2Z,5Z)-5-(3-chloro-4- ((R)-2,3-dihydroxypropoxy)benzylidene)-2-(propylimino)-3-(o-tolyl)thiazolidin-4-one and to the new intermediate (R)-3-chloro-4-(2,3-dihydroxypropoxy)-benzaldehyde used in this process. (2Z,5Z)-5-(3-Chloro-4-((R)-2,3-dihydroxypropoxy)benzylidene)-2-(propylimino)-3- (o-tolyl)thiazolidin-4-one is described in WO 2005/054215 to act as an immunosuppressive agent. The present invention further also relates to a new process for the preparation of (R)-3-chloro-4-(2,3-dihydroxypropoxy)-benzaldehyde.
本发明涉及一种用于制备(2Z,5Z)-5-(3-氯-4-((R)-2,3-二羟基丙氧基)苄亚甲基)-2-(丙基亚胺基)-3-(邻甲苯基)噻唑啉-4-酮的新工艺,以及用于该工艺的新中间体(R)-3-氯-4-(2,3-二羟基丙氧基)-苯甲醛。WO 2005/054215中描述了(2Z,5Z)-5-(3-氯-4-((R)-2,3-二羟基丙氧基)苄亚甲基)-2-(丙基亚胺基)-3-(邻甲苯基)噻唑啉-4-酮作为一种免疫抑制剂。本发明还涉及一种用于制备(R)-3-氯-4-(2,3-二羟基丙氧基)-苯甲醛的新工艺。