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北京石油化工学院2026年研究生招生接收调剂公告
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yinguojie

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[求助] 英译汉 ,三句话---有机羟吲哚衍生物方面

A general and efficient method for the synthesis of oxindole derivatives through visible-light-induceddifluoromethylenephosphonation of N-arylacrylamides has been developed. The phosphonodifluoromethyl radicals, which is generated in situ from the corresponding BrCF2PO(OEt)2 under visible-lightirradiation, in combination with N-arylacrylamides furnished difluoromethylenephosphonated oxindoles via a proposed tandem radical cyclization process. Notable advantages of this method include its simplicity and mild conditions, avoidance of toxic reagents, and compatibility with a variety of functionalgroups.

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yqj89

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崇德瀹智

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爱与雨下: 金币+1 2016-12-04 08:12:43
yinguojie: 金币+50, 翻译EPI+1 2016-12-06 08:12:15
(本文报道了)一种简单高效的吲哚酮衍生物(oxindole derivatives)合成方法的研发,该方法的关键步骤为在可见光引发下N-芳香取代的丙烯酰胺(N-arylacrylamides)与二氟甲基磷酸酯的加成反应(fluoromethylenephosphonation)。

该方法通过可见光激发BrCF2PO(OEt)2,并形成相应的磷酸二氟甲基自由基(就是把Br去掉成的自由基),该自由基通过一种理论的(proposed)联合(tandem )自由基环合过程(cyclization process)与N-芳香取代的丙烯酰胺(N-arylacrylamides)反应,生成二氟甲基磷酸酯取代的吲哚酮化合物(difluoromethylenephosphonated oxindoles)。

这种方法具有简单温和的反应条件、避免剧毒试剂的使用、以及对多种官能团都具有适应性(compatibility with a variety of functional groups)等显著的优点。
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2楼2016-12-04 05:31:46
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