-
公开(公告)号:US5214205A
公开(公告)日:1993-05-25
申请号:US868186
申请日:1992-04-14
申请人: Yves Castanet , Bruno Seuillet , Andre Mortreux , Francis Petit
发明人: Yves Castanet , Bruno Seuillet , Andre Mortreux , Francis Petit
摘要: The invention relates to a process for the preparation of acetic anhydride, characterized in that a gas containing essentially CO, at a pressure of at least 1 MPa, is reacted with methyl formate in the presence ofa) a rhodium-based catalyst,b) two iodine-containing promoters of different kind, successively ionic and covalent, andc) an N-substituted cyclic amide as solvent.
摘要翻译: 本发明涉及一种制备乙酸酐的方法,其特征在于在a)铑基催化剂存在下,使基本上含有至少1MPa压力的CO的气体与甲酸甲酯反应,b) 两种不同种类的含碘促进剂,连续离子和共价,和c)N-取代的环状酰胺作为溶剂。