青云英语翻译

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翻译结果1翻译结果2 翻译结果3翻译结果4翻译结果5

翻译结果1复制译文编辑译文朗读译文返回顶部

步骤1:(4 - 溴苯基)[4 - (methyloxy)苯基] methanone(O要冷却的(冰浴,5℃)4 - 溴苯甲酰氯(25.​​0克,0.114 MOL)和苯甲醚(15.5克,0.143摩尔的混合物在二氯甲烷1.25式)(500毫升)加入三氯化铝(19 0克,0.143摩尔,1.25 EQ)对氮气气氛下搅拌20分钟内的部分明智的。由此产生的反应混合物之间挑起5 C和20彗星为3小时,反应混合物慢慢浇到20%的水盐酸(500毫升),搅拌15分钟,分离层,水层进一步用二氯甲烷(3 × 250毫升)中提取。合并有机层,水(200毫升),盐水(200毫升)干(硫酸钠)洗涤,过滤,并根据减少

翻译结果4复制译文编辑译文朗读译文返回顶部

第1步:(4-bromophenyl)[4-(methyloxy)苯基]methanone(o,一个冷却(冰浴,5C)的混合4-bromobenzoyl氯
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