Process for producing quinolonecarboxlic acids and intermediates thereof
申请人:——
公开号:US20030060631A1
公开(公告)日:2003-03-27
This invention relates to methods for the efficient production of quinolonecarboxylic acid based synthetic antibacterial agents which are expected for applications such as excellent medicaments and agricultural chemicals and to intermediate compounds to be used therein. According to the present invention, an amine substituent as the 7-position substituent of the quinolonecarboxylic acid derivative can be efficiently introduced.
PROCESS FOR PRODUCING QUINOLONECARBOXYLIC ACIDS AND INTERMEDIATES THEREOF
申请人:DAIICHI PHARMACEUTICAL CO., LTD.
公开号:EP1258478A1
公开(公告)日:2002-11-20
This invention relates to methods for the efficient production of quinolonecarboxylic acid based synthetic antibacterial agents which are expected for applications such as excellent medicaments and agricultural chemicals and to intermediate compounds to be used therein. According to the present invention, an amine substituent as the 7-position substituent of the quinolonecarboxylic acid derivative can be efficiently introduced.
The quinolone ring system in C10H10N2O.H2O is essentially planar. The hydrogen-bonding scheme involves O-H ... O, N-H ... O, N-H ... N and C-H ... O interactions.