反应详情

To 7.85 g. (0.033 mole) of N-(9-fluorenyl)thiourea in 200 ml acetone is added 4.68 g (0.033 mole) of methyl iodide. The mixture is allowed to stand at room temperature for about 4 hours. Ether (400 ml) is added and the mixture allowed to stand overnight, affording the crystalline product, methyl N-(9-fluorenyl)carbamimidothioate hydroiodide, which is filtered off; m.p. (208) 212°-14° C.

1. waitto stand overnight