反应详情

In a similar fashion using route 1 general procedure 4, N-(6-fluoro-quinolin-8-yl)-2-nitro-benzenesulfonamide (Intermediate 244) (520 mg, 1.49 mmol), SnCl2 (983 mg, 5.99 mmol), 6N HCl (3 drops) and EtOH (10 ml) for 4 h at 80° C. gave the title compound (410 mg, 86%) which was used in the next step without further purification. The structure was confirmed by 1H NMR.

1. customfor 4 h
2. customat 80° C.