Pyrrolidine derivative, anti-ulcer drug, and antibacterial drug
申请人:Shiseido Co., Ltd.
公开号:US05925667A1
公开(公告)日:1999-07-20
A pyrrolidine derivative or a salt thereof expressed by the following formula 1: ##STR1## wherein R.sub.1 is an alkenyl group; R.sub.2 is a lower alkoxy group or a halogen atom; R.sub.3 is a lower alkyl group; X is a group expressed by --O-- or --S--; Y is carbon or nitrogen atom; m is an integer of 1 to 3; and n is an integer of 0 to 2. The pyrrolidine derivative has an anti-ulcer effect or an antibacterial activity against Helicobacter pyroli, and has also high safety to be available for prevention or cure of ulcers.