Palladium-Catalyzed Cross-Coupling Reaction and Gold-Catalyzed Cyclization for Preparation of Ethyl 2-Aryl 2,3-Alkadienoates and α-Aryl γ-Butenolides

Phil Ho Lee

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Palladium-Catalyzed Cross-Coupling Reaction and Gold-Catalyzed Cyclization for Preparation of Ethyl 2-Aryl 2,3-Alkadienoates and α-Aryl γ-Butenolides

机译：钯催化的交叉偶联反应和金催化的环化反应制备2-芳基2,3-烷基二烯酸乙酯和α-芳基γ-丁烯内酯

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Efficient synthetic method for the preparation of ethyl 2-aryl-2,3-alkadienoates through Pd-catalyzed selective allenyl cross-coupling reactions of aryl iodides with organoindiums generated in situ from indium and ethyl 4- bromo-2-alkynoate was developed. The cyclization reaction of ethyl 2-aryl-2,3-alkadienoates catalyzed by AuCl3 and AgOTf in the presence of AcOH or TfOH produced various α-aryl γ-butenolides or γ-substituted α- aryl γ-butenolides.

机译：开发了一种高效的合成方法，该方法通过钯催化芳基碘化物与铟和4-溴-2-炔酸乙酯原位生成的有机铟的选择性烯基交叉偶联反应，制备2-芳基-2,3-链烷酸乙酯。 AuCl3和AgOTf在AcOH或TfOH的存在下催化的2-芳基-2,3-链二烯酸乙酯的环化反应产生了各种α-芳基γ-丁烯化物或γ-取代的α-芳基γ-丁烯化物。

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《Bulletin of the Korean Chemical Society》 |2011年第8期|共页
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Phil Ho Lee;
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中图分类化学;
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Palladium-Catalyzed Cross-Coupling Reaction and Gold-Catalyzed Cyclization for Preparation of Ethyl 2-Aryl 2,3-Alkadienoates and α-Aryl γ-Butenolides

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