反应详情

Starting from 7-chloro-1-cyclopropyl-6-fluoro -1, 4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acid (1.24 g, 4.4 mmol) and 3-(3-pyrrolidinyl) pyridine, a procedure analogous to that given in Example 1 provided the title compound (1.43 g, 82%) as a light beige solid, mp 226°-228° C.