propiophenone meaning in English
苯丙酮
Examples
- Abstract : this paper introduces the synthesis of - methylamino phenylpropyl alcohol from - bromo - propiophenone . it has two processes . the yield of the first process is 82 . 7 % , the second is 87 . 0 % . the purity of - bromo - propiophenone is 99 . 4 % . the ir picture is identified
文摘:以-溴苯丙酮为原料，分两步制取-甲胺基苯丙醇，第一步收率为82 . 7 ，第二步收率为87 . 0 ， -甲胺基苯丙醇纯度为99 . 4 ，红外谱图符合文献值。