反应详情

In the described fashion of Example 1 replacing benzaldehyde with 2-furaldehyde and using the acid (1) (R=o,p-difluorophenyl) described in Example 7 one can obtain 1-o,p-difluorophenyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-(2-furylidene)amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid (3) (R=o,p-difluorophenyl, Z=2-furan).