申请人:Syntex (U.S.A.) Inc.
公开号:US04054579A1
公开(公告)日:1977-10-18
2-(5H-dibenzo[a,d]cyclohepten-5-on-2-yl)acetic, propionic and butyric acids, and esters and salts thereof, are prepared by solvolysis of nitrile or amide intermediates, or of ketal-protected nitrile, amide, acid, ester or salt intermediates.
2-(5H-二苯并[a,d]环庚烯-5-酮-2-基)乙酸、丙酸和丁酸,以及它们的酯和盐,是通过氰或酰胺中间体,或者是受到保护的氰、酰胺、酸、酯或盐中间体的溶剂解作用制备的。