Patent Number: 6,169,102

Title: Oxazolone derivatives and their use as anti-Helicobacter pylori agent

Abstract: An anti-Helicobacter pylori agent comprising a compound represented by the formula: ##STR1## wherein A represents an aromatic ring group which may be substituted; R.sup.1 and R.sup.2, whether identical or not, each represent a hydrogen atom or a hydrocarbon group which may be substituted; R.sup.3 and R.sup.4, whether identical or not, each represent a hydrogen atom, a hydrocarbon group which may be substituted, an acyl group, a carbamoyl group which may be substituted, or a carboxyl group which may be esterified; or a salt thereof.

Inventors: Kanamaru; Tsuneo (Osaka, JP), Nakao; Masafumi (Nara, JP), Tawada; Hiroyuki (Osaka, JP), Kamiyama; Keiji (Osaka, JP)

Assignee: Takeda Chemical Industries, Ltd.

International Classification: C07D 263/48 (20060101); C07D 413/00 (20060101); C07D 263/00 (20060101); C07D 413/06 (20060101); C07D 471/00 (20060101); C07D 413/14 (20060101); C07D 471/04 (20060101); C12P 17/16 (20060101); A61K 031/422 (); C07D 413/06 ()

Expiration Date: 01/02/2018