反应详情

Thionyl chloride (23 cc) was added over 25 minutes to a stirred solution of 2-hydroxymethyl-4-methoxypyridine (8.935 g) in chloroform at room temperature, and the mixture was stirred for a further 2 hours and was evaporated to dryness and the residue was triturated with ether and recrystallised from 0.9 N ethanolic hydrogen chloride/ether (7:5) to give 2-chloromethyl-4-methoxypyridine hydrochloride m.p. 142° (decomp).(12.1 g).

1. customwas evaporated to dryness
2. customthe residue was triturated with ether
3. customrecrystallised from 0.9 N ethanolic hydrogen chloride/ether (7:5)