Iron-Catalyzed Synthesis of 13-Aryl-13H-indeno[1,2-l]phenanthrene via Double Annulations of 2-Alkynyl Biaryls,The Journal of Organic Chemistry

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Iron-Catalyzed Synthesis of 13-Aryl-13H-indeno[1,2-l]phenanthrene via Double Annulations of 2-Alkynyl Biaryls
The Journal of Organic Chemistry ( IF 3.3 ) Pub Date : 2022-12-20 , DOI: 10.1021/acs.joc.2c01847
Rupsa Chanda , Tubai Ghosh , Umasish Jana ₁

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An Fe(III)-catalyzed expedient synthesis of 13-aryl-13H-indeno[1,2-l]phenanthrene is described by a double annulations of 2-alkynyl biaryls, initiated by the activation of acetal. This strategy provides a simple, efficient and regioselective synthesis of varieties of indenophenanthrene derivatives from easily available starting materials under mild conditions in high to excellent yields. A plausible reaction mechanism is proposed.

中文翻译：

2-炔基联芳基双环化铁催化合成 13-Aryl-13H-茚并[1,2-l]菲

Fe(III) 催化的 13- aryl -13 H-茚并 [1,2 -l ] 菲的快速合成通过 2-炔基联芳基的双环化描述，由缩醛的活化引发。该策略提供了一种简单、高效和区域选择性的多种茚并菲衍生物的合成方法，从易于获得的起始材料出发，在温和的条件下以高产率或极佳的产率进行合成。提出了一种似是而非的反应机制。

更新日期：2022-12-20

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