Abnormal N‑Heterocyclic Carbene-Phosphine Ruthenium(II) Complexes as Active Catalysts for Transfer Hydrogenation
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https://figshare.com/articles/dataset/Abnormal_N_Heterocyclic_Carbene_Phosphine_Ruthenium_II_Complexes_as_Active_Catalysts_for_Transfer_Hydrogenation/2388718
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资源简介：
The
bifunctional phosphine–abnormal N-heterocyclic carbene
ruthenium(II) complex RuBr(OAc)(PPh3)(P–aNHC) (1) has been synthesized in high yield by reaction of Ru(OAc)2(PPh3)2 with a phosphine imidazolium
bromide (P–NHC × HBr) and characterized by X-ray diffraction.
This compound shows high catalytic activity for the transfer hydrogenation
of ketones to alcohols in 2-propanol. Rate and efficiency of 1 can be enhanced by the addition of ethylenediamine or benzylamine,
affording TOFs up to 140 000 h–1. Reaction
of 1 with ethylenediamine leads to the Ru carbene/amine
complex [Ru(OAc)(PPh3)(P–aNHC)(H2NCH2CH2NH2)]Br (2), which displays
the same activity of the in situ generated species.
创建时间：
2016-02-19
