6,11-Dihydrodibenzo-{8 b.e.{9 -thiepin-11-one-3-acetonitrile

摘要

6,11-Dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetic acid is prepared from 6,11-dihydrodibenzo-[b.e.]-thiepin-11-one-3-acetonitrile, a novel intermediate, by strong acid or base hydrolysis.