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关注:1
2013-05-23 12:21
求翻译:A mixture of 40 g (0.3 mole) phenylacetone, 200 ml ethanol, 200 ml 25% ammonia, 40g (1.5 mole) Al-grit and 0.3 g (1 mmol) HgCl2 is warmed with vigorous stirring until reaction takes place, after which warming is stopped immediately. Cooling should be applied if the reaction becomes too violent. When the violence of the是什么意思? 待解决
悬赏分:1
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A mixture of 40 g (0.3 mole) phenylacetone, 200 ml ethanol, 200 ml 25% ammonia, 40g (1.5 mole) Al-grit and 0.3 g (1 mmol) HgCl2 is warmed with vigorous stirring until reaction takes place, after which warming is stopped immediately. Cooling should be applied if the reaction becomes too violent. When the violence of the
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2013-05-23 12:21:38
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2013-05-23 12:23:18
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2013-05-23 12:24:58
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2013-05-23 12:26:38
40 G (0.3 鼹鼠) 苯基丙酮、 200 毫升乙醇、 200 毫升 25%氨、 40 g (1.5 鼹鼠) 的混合物 Al 砂砾和 0.3 g (1 mmol) HgCl2 温暖与大力搅拌直到反应发生之后,气候变暖停止立即。如果反应成为太猛烈,应该应用冷却。当反应的暴力活动减少时,混合物被大力搅拌,约 2 小时,进行真空浓缩至 200 毫升倒入冰水,alkalinized 与 120 g 岛,和与醚提取与循环加热。提取的治疗 20 %hcl,生成的水图层 alkalinized 和提取与 150 毫升醚。有机层干在 Na2SO4、 醚蒸发,和残留物进行真空蒸馏。产量: 12.5 g (3
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2013-05-23 12:28:18
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