反应详情

In the described fashion of Example 1 replacing benzaldehyde with 4-pyridinecarboxaldehyde and using the acid (1) (R=ethyl) described in Example 13 one obtains 1-ethyl-6-fluoro-1,4-dihydro-4-oxo-7-(3-(4-pyridylidene)amino-1-pyrrolidinyl)-quinoline-3-carboxylic acid (3) (R=ethyl, Z=4-pyridine).