反应详情

Starting from 7-chloro-1-cyclopropyl-6-fluoro -1, 4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid (1.33 g, 4.7 mmol) and 2-(3-pyrrolidinyl) pyridine, a procedure analogous to that given in Example 1 provided the title compound (1.64 g, 88%) as an off-white solid, mp 203°-204° C.