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Shirley89

银虫 (小有名气)

[求助] 求翻译,希望是懂有机的,需要专业翻译

In the case of a primary amine the carbinolamine can also dehydrate with formation of an imine, which is an inhibiting species on the catalyst surface. The acetone excess used, makes that the imine corresponding with acetone is the only one which is formed whereas the formation of the one corresponding with 4-nitrobenzaldehyde is suppressed . In case of a secondary amine the formation of any imine is prevented due to the lack of a second hydrogen on the nitrogen
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genhunter

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Shirley89: 金币+5, 翻译EPI+1, ★有帮助 2015-03-21 10:13:53
作为一个伯胺, 甲醇胺也可以脱水形成对催化表面有抑止作用的亚胺。当丙酮过量时,与丙酮形成的亚胺是唯一的亚胺产物,而与对硝基苯甲醛之脱水反应受到抑止。作为一个仲胺,由于氮上少了一个氢,不能形成亚胺。
离成功还差一点
2楼2015-03-20 11:04:42
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