反应详情

A mixture of pyridine (3 g, 38 mmol) and ethyl bromoacetate (6.3 g, 38 mmol) in 30 ml of ethyl acetate was stirred for 12 h. The precipitate formed was isolated by filtration and washed with diethyl ether (30 ml), to give, after drying, 7 g of 1-ethoxycarbonylmethylpyridinium bromide 5.

1. customThe precipitate formed
2. customwas isolated by filtration
3. washwashed with diethyl ether (30 ml)
4. customto give
5. customafter drying