One Pot Synthesis of γ-Benzopyranones via Iron-Catalyzed Aerobic Oxidation and Subsequent 4-Dimethylaminopyridine Catalyzed 6-endo Cyclization,Advanced Synthesis & Catalysis

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One Pot Synthesis of γ-Benzopyranones via Iron-Catalyzed Aerobic Oxidation and Subsequent 4-Dimethylaminopyridine Catalyzed 6-endo Cyclization
Advanced Synthesis & Catalysis ( IF 4.4 ) Pub Date : 2017-11-17 03:01:49 , DOI: 10.1002/adsc.201700993
Di Zhai ₁ , Lingzhu Chen ₂ , Minqiang Jia ₁ , Shengming Ma _{1,

2,

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Affiliation

One-pot synthesis of γ-benzopyranones was realized in decent yields and excellent regioselectivities via iron-catalyzed aerobic oxidation and 4-dimethylaminopyridine-catalyzed cyclization of related propargylic alcohols. Derivatizations to aromatic substituted γ-benzopyranones and synthesis of naturally occurring 3′,4′-dimethoxyflavone have also been realized.

中文翻译：

铁催化好氧氧化反应及随后的4-二甲基氨基吡啶催化6-内酯环化反应一锅合成γ-苯并吡喃酮

通过铁催化的好氧氧化和4-二甲基氨基吡啶催化的相关炔丙醇的环化反应，可以实现一锅合成γ-苯并吡喃酮的高产和极好的区域选择性。还已经实现了芳族取代的γ-苯并吡喃酮的衍生化和天然存在的3'，4'-二甲氧基黄酮的合成。

更新日期：2017-11-17

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