欧盟法规
C&L通报REACH预注册上下游产品
CAS号367-25-9 2,4-二氟苯胺专利信息
专利号:EP-0332033-A2
优先权日:1988-03-11
标 题:N-cyclopropyl anilines and their use in processes for the synthesis of 1-cyclopropyl-quinolone-carboxylic acids and their derivatives
发明人:SCHRIEWER MICHAEL DR; PETERSEN UWE DR; GROHE KLAUS DR; KREBS ANDREAS DR
权利人:BAYER AG
摘要:N-Cyclopropylanilines of the formula (IV) in which R<1>, X<1>, X<2>, X<3>, A, Z and R<2> have the meaning given in the description, which are suitable for the preparation of 4-quinolone- 3-carboxylic acids, and processes for the preparation of quinolone- carboxylic acid derivatives using N-cyclopropylanilines.