Process for preparing quinolone carboxylic acid

Application Number: 00123446
Application Date: 2000.08.16
Publication Number: 1338455
Publication Date: 2002.03.06
Priority Information:
International: C07D215/56
Applicant(s) Name: Luyuan Industry Co Ltd, Dalian
Inventor(s) Name: Wang Yuncai;Chen Rongye;Dong Zhijun
Patent Agency Code: 11219
Patent Agent: wang dazuo
Abstract A process for preparing quinolone carboxylic acid is disclosed. Its formula consists of 4 groups, of which R1 consists of H, halide molecules and amino-group; R2 consists of halide molecules; R3 consists of H, halide molecules, C1-C2 alkoxyland CN; and R4 consists of C3-C6 naphthenic base, C1-C4 alkyl, C1-C4 alkoxyl C1-C4 alkyl, C1-C4 oxyalkyl C1-C4 alkyl and H molecule.