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公开(公告)号:WO2014203231A3
公开(公告)日:2015-07-30
申请号:PCT/IB2014065440
申请日:2014-10-18
Applicant: SHILPA MEDICARE LTD
Inventor: DR RAFIUDDIN , PIPAL BHAGAT RAJ , UMMADI RAVINDRA REDDY , CHATURVEDI AKSHAY KANT
IPC: C07C69/40
CPC classification number: C07C67/08 , C07B2200/13 , C07C67/52 , C07C69/60
Abstract: The present invention relates to a process for preparation of dimethyl-(E)-butenedioate (I). The process for preparation of dimethyl-(E) -but enedioate (I), comprises reaction of Fumaric acid with methanol in the presence of C2-C4 alkanoyl halide as coupling catalyst.
Abstract translation: 本发明涉及一种制备二甲基 - (E) - 丁烯二酸酯(I)的方法。 制备二甲基 - (E) - 丁酸酯(I)的方法包括在C2-C4烷酰基卤化物作为偶联催化剂存在下,富马酸与甲醇的反应。