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mas050518

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[求助] 请求帮忙翻译中译英

Importantly, reactions with electron-poor a,b-unsaturated aldehydes required a change of solvent to dichloromethane to avoid a competing hetero-[4+2] cycloaddition of these aldehydes with ethyl vinyl ether.
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xiaokaizi

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楼上翻译的不错,鼓励一下,呵呵,,
5楼2011-10-03 21:53:33
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xiaokaizi

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兄弟,几个专词汇字典里找不到 electron-poor a,b-unsaturated
hetero-[4+2]

知道他们的意思后,就可以翻译了
2楼2011-10-03 19:55:21
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mas050518

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引用回帖:
2楼: Originally posted by xiaokaizi at 2011-10-03 19:55:21:
兄弟,几个专词汇字典里找不到 electron-poor a,b-unsaturated
hetero-[4+2]

知道他们的意思后,就可以翻译了

应该是弱电性,α,β-不饱和,最后一个应该是杂环[4+2]吧
有我世界不一样
3楼2011-10-03 20:16:50
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爱与雨下

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木虫讲师

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mas050518(金币+5, 翻译EPI+1): 万分感谢!!! 2011-10-03 22:05:12
Importantly, reactions with electron-poor a,b-unsaturated aldehydes required a change of solvent to dichloromethane to avoid a competing hetero-[4+2] cycloaddition of these aldehydes with ethyl vinyl ether.
重要的是,与电子云密度低(贫电子)的α,β-不饱和醛的反应需要将溶剂换成DCM以避免这些醛与乙烯基乙醚竞争性地发生杂[4+2]环化反应!

[ Last edited by 爱与雨下 on 2011-10-3 at 21:18 ]
生平不抽烟,不饮酒,不喝咖啡,一杯龙井相伴,笑读五经诸史;惟愿少鲁莽,少冲动,少说气话,三思后行为戒,淡看百事纷争。
4楼2011-10-03 21:17:16
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