Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.Thus , this reduced temperature of...
Thus , this reduced temperature of reaction and increased the rate of acetophenone.降低反应温度,提高了苯乙酮的收率.Objective: A new approach to prepare α - bromo - 4 - benzyloxy acetophenone was introduced.目的: 报道一种合成α - 溴-4-苄氧苯基乙酮的新方法....
罗伊用简单的、人人都能理解的语言讲述了他那个伤感的故事。Roy told his sorrowful tale with simple words anybody could understand.人人都只考虑自己，谁落后谁倒霉。Every one for himself and the devil take the hindmost.她穿得花里胡哨，这样人人都会对她有印象。She dressed flamboyantly so tha...