申请人:Hoffmann-La Roche Inc.
公开号:US04168380A1
公开(公告)日:1979-09-18
7-Methoxy-5-oxo-5H-thiazolo[2,3-b]quinazoline-2-carboxylic acid, useful as an antiallergic agent, and prepared by reaction of 5-methoxyanthranilic acid with methyl 2-chlorothiazole-5-carboxylate, and subsequent hydrolysis, is described.
本文介绍了一种用作抗过敏剂的7-甲氧基-5-氧代-5H-噻唑并[2,3-b]喹唑啉-2-羧酸,其是通过5-甲氧基蒽醌酸与2-氯噻唑-5-羧酸甲酯反应,并随后水解制备而成。