1,1-(1,4-丁基)二咪唑的合成的问题?1,1-( 1,4-丁 基)二咪唑的合成: 取3.40 g(50 mmol)咪唑,2.00 g(50 mmol)氢 氧化钠粉 末,溶于10 mL 二甲亚砜 中,加热至60 ℃,搅拌1小时,后慢慢滴加5.40 g(25 mmol)1,4-二溴丁烷,加热至60 ℃反应2小时,反应结束至室温后,立即将产品倒入200 mL 蒸馏水中,可见白色针状晶体析出. 相关文献调研: Synthesis of 1,10-(1,4-butanediyl)bis(imidazole) (L)A mixture of imidazole (3.4 g, 50 mmol) andNaOH (2.0 g, 50 mmol) in DMSO (10 ml) was stirred at 60 C for 1 h, then 1,4-dichlorobutane (3.2 g, 25mmol) was added. The mixture was cooled to room temperature after stirring at 60 C for 2 h, then poured into 200 ml of water and a white solid formed immediately which weighted 4.1 g after drying in air. 问题:将反应完的溶液倒入水中后没有产生任何沉淀,请问是什么原因呢,望大神解答 查看更多3个回答 . 10人已关注