A [4 + 3] Annulation Reaction of aza-o-Quinone Methides with Arylcarbohydrazonoyl Chlorides for Synthesis of 2,3-Dihydro-1H-benzo[e][1,2,4]triazepines,Organic Letters

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A [4 + 3] Annulation Reaction of aza-o-Quinone Methides with Arylcarbohydrazonoyl Chlorides for Synthesis of 2,3-Dihydro-1H-benzo[e][1,2,4]triazepines
Organic Letters ( IF 4.9 ) Pub Date : 2018-05-03 00:00:00 , DOI: 10.1021/acs.orglett.8b00990
Zhenyan Guo ₁ , Hao Jia ₁ , Honglei Liu ₁ , Qijun Wang ₁ , Jiaxing Huang ₁ , Hongchao Guo ₁

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An unprecedented [4 + 3] annulation reaction of aza-ortho-quinone methides with arylcarbohydrazonoyl chlorides has been achieved under mild conditions. The annulation underwent a sequential conjugate addition/intramolecular annulation/rearrangement, providing a useful method for the synthesis of biologically interesting 2,3-dihydro-1H-benzo[e][1,2,4]triazepine.

中文翻译：

氮杂邻苯二甲酰甲基甲烷与芳基碳肼基甲酰氯的[4 + 3]环化反应合成2,3-二氢-1 H-苯并[ e ] [1,2,4]三氮杂s

在温和的条件下，已完成了氮杂-邻苯醌甲基化物与芳基羰基肼基甲酰氯的前所未有的[4 + 3]环化反应。进行连续的共轭加成/分子内的成环/重排，为生物上有趣的2,3-二氢-1 H-苯并[ e ] [1,2,4]三氮杂卓合成提供了有用的方法。

更新日期：2018-05-03

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