首页> 外文期刊>Chemistry: A European journal >Well-defined air-stable palladium HASPO complexes for efficient Kumada-Corriu cross-couplings of (Hetero)aryl or alkenyl tosylates
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Well-defined air-stable palladium HASPO complexes for efficient Kumada-Corriu cross-couplings of (Hetero)aryl or alkenyl tosylates

机译:定义明确的空气稳定钯HASPO配合物,可实现(杂)芳基或烯基甲苯磺酸盐的有效Kumada-Corriu交叉偶联

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摘要

Palladium complexes of representative heteroatom-substituted secondary phosphine oxide (HASPO) preligands were synthesized and fully characterized, including X-ray crystal structure analysis. Importantly, these well-defined complexes served as highly efficient catalysts for Kumada-Corriu cross-coupling reactions of aryl, alkenyl, and even heteroaryl tosylates. Particularly, an air-stable catalyst derived from inexpensive PinP(O)H displayed a remarkably high catalytic efficacy, which resulted in cross-couplings at low catalyst loadings under exceedingly mild reaction conditions with ample scope.
机译:合成并充分表征了代表性的杂原子取代的次膦氧化物(HASPO)预配体的钯配合物,包括X射线晶体结构分析。重要的是,这些定义明确的络合物可作为Kumada-Corriu芳基,烯基乃至杂芳基甲苯磺酸酯的交叉偶联反应的高效催化剂。特别地,衍生自廉价的PinP(O)H的空气稳定的催化剂表现出显着的催化功效,这导致在足够温和的反应条件下,在足够的范围内,在低催化剂负载下的交叉偶联。

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