反应详情

The title compound (2.7 g, 13.0 mmol) was prepared in two steps from 2-nitrobenzenesulfonyl chloride (3.20 g, 14.4 mmol) and 5,6-dimethylpyridin-3-amine (1.5 g, 12.3 mmol) in pyridine (20 mL) at rt; followed by SnCl2 (8.88 g, 46.8 mmol) in ethanol at reflux for 2 h using the methods of (IntA1), steps 1 and 2.

1. temperatureat reflux for 2 h