首页> 外文期刊>Chemistry: A European journal >Rhodium- and Iridium-Catalyzed Asymmetric Addition of Optically Pure P-Chiral H-Phosphinates to Aldehydes Leading to Optically Active alpha-Hydroxyphosphinates
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Rhodium- and Iridium-Catalyzed Asymmetric Addition of Optically Pure P-Chiral H-Phosphinates to Aldehydes Leading to Optically Active alpha-Hydroxyphosphinates

机译:铑和铱催化的光学纯的P-手性H-膦酸酯向醛的不对称加成反应导致光学活性的α-羟基次膦酸酯

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摘要

Optically active alpha-hydroxyphosphinates with both C- and P-stereogenic centers are obtained by rhodium- or iridium-catalyzed substrate-directed stereoselective addition of the optically pure H-phosphinates to aldehydes. The reaction most probably proceeds by a transition- metal-catalyzed mechanism with hydridometal complexes as key intermediates in the catalytic cycle.
机译:通过将光学纯的H-次膦酸酯与醛催化的铑或铱催化的底物定向的立体选择加成反应,获得具有C-和P-立体异构中心的旋光性α-羟基次膦酸酯。该反应最有可能通过过渡金属催化的机理进行,其中氢化金属络合物作为催化循环中的关键中间体。

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