Direct observation of η2-imine formation through β-H abstraction between amide ligands. Neutron and X-ray diffraction structure of a dihydride imine ditantalum complex†,10.1039/B108913G

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Direct observation of η2-imine formation through β-H abstraction between amide ligands. Neutron and X-ray diffraction structure of a dihydride imine ditantalum complex†

Hu Cai,Tianniu Chen,Xiaoping Wang,Arthur J. Schultz,Thomas F. Koetzle,Ziling Xue

Chemical Communications Pub Date : 01/14/2002 00:00:00 , DOI:10.1039/B108913G

Abstract

Reactions of Ta(NMe₂)₅ with D₂SiR′Ph (R′ = Me, Ph) were found to give a dideuteride η²-imine complex (Me₂N)₃Ta(μ-D)₂(μ-N-η²-N,C-CH₂NMe)Ta(NMe₂)₃(1-d₂) through C–H activation of an amide ligand via β-H abstraction, and the structure of 1 was confirmed by single crystal neutron and X-ray diffraction.

$Graphical abstract: Direct observation of η2-imine formation through β-H abstraction between amide ligands. Neutron and X-ray diffraction structure of a dihydride imine ditantalum complex$