申请人:Ciba-Geigy Corporation
公开号:US04709053A1
公开(公告)日:1987-11-24
The invention relates to a process for the preparation of 4-phenylpyrrole derivatives of the formula I ##STR1## wherein R.sub.n, R.sub.1 and R.sub.2 are as defined in claim 1, which comprises reacting a phenacylamine of formula II ##STR2## with a compound of formula III T--CH.dbd.CH--R.sub.1 (III) to give an intermediate of formula IV ##STR3## and cyclizing said intermediate, in the presence of a base, to give the compound I. Important intermediates and novel final products are also described.
本发明涉及一种制备式I的4-苯基吡咯衍生物的方法,其中R.sub.n、R.sub.1和R.sub.2如权利要求1所定义,包括将式II的苯乙酰胺与式III T-CH.dbd.CH-R.sub.1(III)的化合物反应,得到式IV的中间体,然后在碱的存在下环化该中间体,得到化合物I。还描述了重要的中间体和新颖的最终产物。