HRID2400093

反应详情

EQUATION

反应方程式

HRID 2400093 的结构方程式

PROCEDURE

实验过程

1-Cyclopropyl-6,7-difluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid is reacted analogously to Example 11 with 1,4-dioxa-7-azaspiro[4.4]nonane to give 1-cyclopropyl-7-(1,4-dioxa-7-azaspiro[4.4]non-7-yl)-6-fluoro-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid of melting point 229°-230°.