Title:
【発明の名称】ペンテン酸無水物の製造方法
Document Type and Number:
Japanese Patent JP2001519324
Kind Code:
A
Abstract:
Process to prepare a pentenoic acid anhydride in the pressence of a catalyst comprising palladium and an organic phosphine ligand, wherein the corresponding alkoxycarbonyl butene is reacted with carbon monoxide at a temperature between 50 and 130 DEG C. and that the phosphine is a monodentate phosphine or a bidentate phosphine.
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Inventors:
Brooke, patrick, michel
Application Number:
JP2000514874A
Publication Date:
October 23, 2001
Filing Date:
October 02, 1998
Export Citation:
Assignee:
DSM N.V.
E.I.DU PONT DE NEMOURS AND COMPANY
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
B01J31/24; C07B61/00; C07C51/56; C07C53/126; (IPC1-7): C07C51/56; B01J31/24; C07C53/126
Attorney, Agent or Firm:
Mitsuo Matsui