有些有机化合物在盐酸中较水中溶解度大,再说你这个体系是醋酸溶剂情况下,加了盐酸或者加水,依然是醋酸体系,只是浓度降低,并未根本改变,这不是关键
关键的是后处理,从结构看,不管是原料,产物,副产物,他 ...
我找了这个反应的十篇文献,基本上都只是这:7-hydroxy-4-methyl coumarin(0.03 mol) and hexamine (0.07 mol) in glacial acetic acid (50 mL) were heated for 4–5 h and
then 20% HCl (75 mL) was added with further heating for 20 min, cooled and extracted with ether. Pale yellow solid of 8-formyl-7-hydroxy-4-methyl coumarin, which was obtained after extraction, was recrystallized from ethanol.请教一下,后处理怎么进行。比如盐酸水解,水解到怎样的程度?乙醚萃取又是怎样的操作?乙醚旋掉后又该怎么办?有机接触不深,还望大神不吝赐教。方便的话留个邮箱或者扣扣,非常感谢。