反应详情

When the product from Example A is reacted with 4-hydroxypiperidine in analogy to Example 17, then 6-chloro-1-cyclopropyl-8-fluoro-1,4-dihydro-7-(4-hydroxy-1-piperidinyl)-4-oxo-3-quinolinecarboxylic acid of melting point 226°-231° (with decomposition) is obtained.