An ambient pressure, direct hydrogenation of ketones

An ambient pressure, direct hydrogenation of ketones
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常压、酮类直接氢化

DOI:
10.1039/d3cc01014g
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发表时间:
2023
影响因子:
4.9
通讯作者:
Williams, Travis J.
Williams, Travis J.
中科院分区:
化学2区
文献类型:
--
作者:
Zhang, Long;Lu, Zhiyao;Rander, Andrew R.;Williams, Travis J.

文献摘要

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我们报道了两个双功能(吡啶基)卡宾铱(I)配合物,在常压下催化酮和醛的氢化。芳基,杂芳基,和烷基基团的证明,和机制的研究揭示了一个不寻常的极化效应,其中的速率是依赖于质子,而不是氢化物,转移。该方法为传统的硼氢化物和氢化铝试剂提供了一种方便、无废物的替代品。
We report two bifunctional (pyridyl)carbene-iridium(I) complexes that catalyze ketone and aldehyde hydrogenation at ambient pressure. Aryl, heteroaryl, and alkyl groups are demonstrated, and mechanistic studies reveal an unusual polarization effect in which the rate is dependant of proton, rather than hydride, transfer. This method introduces a convenient, waste-free alternative to traditional borohydride and aluminum hydride reagents.