HRID365122
反应详情
EQUATION
反应方程式
REACTANTS
反应物
PRODUCTS
生成物
AUXILIARIES
试剂、催化剂与溶剂
PROCEDURE
实验过程
1-Hexyl-2-methylpyridinium bromide (7.8 g, 0.03 mole) and 4-diethylaminobenzaldehyde (7.0 g, 0.04 mole) were refluxed in methanol (50 ml) in the presence of piperidine (1.0 ml) under nitrogen for four hours. The solution was evaporated and the resulting oil was redissolved in a small amount of isopropanol. Addition of twice the volume of ether gave a red crystalline solid which was collected and washed with isopropanol/ether to give 2-[4-(diethylamino)styryl]-1-hexylpyridinium bromide hemihydrate (5.8 g), melting point 222°-223° (decomposition).
WORKUP
后处理
- customThe solution was evaporated
- dissolutionthe resulting oil was redissolved in a small amount of isopropanol
- additionAddition of twice the volume of ether
- customgave a red crystalline solid which
- customwas collected
- washwashed with isopropanol/ether