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首页> 外文期刊>The Journal of Organic Chemistry >Palladium-Catalyzed Carbonylative Annulation Reactions Using Aryl Formate as a CO Source: Synthesis of 2-Substituted Indene-1,3(2H)-dione Derivatives
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Palladium-Catalyzed Carbonylative Annulation Reactions Using Aryl Formate as a CO Source: Synthesis of 2-Substituted Indene-1,3(2H)-dione Derivatives

机译:芳基甲酸酯用作CO的钯催化羰基化环化反应来源:2-取代茚-1,3(2H)-二酮衍生物的合成

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摘要

An efficient synthesis of 2-substituted indene-1,3(2H)-diones from stable and readily available 1-(2-halophenyl)-1,3-diones by employing phenyl formate as a CO source has been developed. The reaction occurred via palladium-catalyzed intramolecular carbonylative annulation using K3PO4 as a base and DMSO as a solvent at 95 degrees C. In this protocol, the reaction showed a broad substrate scope with good to excellent yields.
机译:已经开发了通过使用甲酸苯酯作为CO源从稳定且容易获得的1-(2-卤代苯基)-1,3-二酮有效合成2-取代的茚-1,3(2H)-二酮的方法。该反应通过在95℃下使用K3PO4作为碱和DMSO作为溶剂的钯催化的分子内羰基环化进行。在该方案中,该反应显示出较宽的底物范围,具有良好或优异的产率。

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