Process for the preparation of thiazolidinedione derivatives
申请人:——
公开号:US20010049445A1
公开(公告)日:2001-12-06
The present invention is concerned with a novel process for the preparation of compounds of formula I
1
comprising bromomethylation or chloromethylation of a compound of formula II
2
and subsequent reaction with a compound of formula IV
3
The compounds of formula I and the corresponding salts, e.g. the sodium salts, are pharmaceutically active substances.