反应详情

Synthesized from 3-bromo-2-chloro-5-methylpyridine (4.00 g, 19.3 mmol), NBS (3.79 g, 21.3 mmol) and DBPO (233 mg, 0.97 mmol) in CCl4 according to Method A. Yield: 2.38 g, 8.34 mmol, 43%. This compound was directly used in the next step without further purification.

1. customThis compound was directly used in the next step without further purification