C–H Activation of Methyltrioxorhenium by Pincer Iridium Hydride To Give Agile Ir–Re Bimetallic Compounds
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https://figshare.com/articles/dataset/C_H_Activation_of_Methyltrioxorhenium_by_Pincer_Iridium_Hydride_To_Give_Agile_Ir_Re_Bimetallic_Compounds/2246632
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资源简介：
C–H
activation of the CH3 group on methyltrioxorhenium
(MTO) by [PNPIrH2]+ (1) affords
the bimetallic complex [PNP(H)Ir-μ(CH2)-μ(O)-Re(O)2]+ (2). Investigation of the mechanism
revealed that C–H activation is the rate-determining step,
and it is preceded by MTO coordination to 1 followed
by the release of H2. Reversible isomerization of 2 to [PNP(Me)(CH3CN)Ir-ReO3][PF6] (3) is observed when the solvent is exchanged
from noncoordinating to coordinating and vice versa. While the Ir–Re
bond in 2 is supported by two bridging ligands, oxo and
alkylidene (CH2), the Ir–Re bond in 3 is not supported by any bridging ligands. Hence, the reversibility
between these two structural isomers defines the agile nature of the
Ir–Re metal–metal bond.
创建时间：
2016-02-16
