反应详情

温度

-78 °C

To 99.99 ml of n-butyl lithium in hexane, dissolved in 200 ml of ether is added dropwise with stirring over 1 hour, at -78° C., a solution of 16 g of thiazole in 100 ml of ether over 1 hour. A solution of 49.81 g of trimethyltin chloride in 100 ml of ether is added dropwise over 20 minutes followed by additional stirring for 1 hour. The reaction mixture is poured into saturated sodium bicarbonate and the organic layer separated, dried and evaporated to a residue. The residue is vacuum distilled to give 33.4 g of the desired product as a colorless liquid, B.P. 60°-65° C./0.7 mm.

1. additionis added dropwise
2. stirringby additional stirring for 1 hour
3. customthe organic layer separated
4. customdried
5. customevaporated to a residue
6. distillationdistilled