Synthesis, Structure, and Reactivity of a Tetranuclear Amidinato Zinc Hydride Complex

The tetranuclear amidinato zinc hydride complex {C[C(Ni-Pr)2ZnH]4} (3) was synthesized by reaction of the Cl-substituted complex {C[C(Ni-Pr)2ZnCl]4} with CaH2. 3 was found to react with phenylacetylene and acetylene at ambient temperature with elimination of H2 and subsequent formation of C[C(Ni-Pr)2ZnC≡CPh]4 (4) and {C[C(Ni-Pr)2ZnC≡CH]4 (5), respectively. 35 have been characterized by multinuclear NMR (1H, 13C) and IR spectroscopy, elemental analyses, and single-crystal X-ray diffraction.


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