反应详情

Starting from 7-chloro-1-cyclopropyl-6-fluoro -1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid (0.85 g, 3.0 mmol) and 4-(3-pyrrolidinyl) pyridine, a procedure analogous to that given in Example 1 provided the title compound (0.79 g, 67%), mp 223°-225° C.