OPTICALLY ACTIVE HYDROQUININE (AMINO-3 PHENYL)-1 ETHANESULFONATE, PREPARATION AND USE THEREOF

摘要

PCT No. PCT/FR93/00848 Sec. 371 Date Mar. 10, 1995 Sec. 102(e) Date Mar. 10, 1995 PCT Filed Sep. 6, 1993 PCT Pub. No. WO94/06792 PCT Pub. Date Mar. 31, 1994This invention relates to an optically active hydroquinine (amino-3 phenyl)-1 ethanesulfonate (form A), preparation thereof and its use as an intermediate in the preparation of cholecystokinine and gastrin antagonists.