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Abstract:
Various (ligand)nickel(0)-ethene complexes react with ethyne in ether or pentane at low temperature to afford crystalline compounds of types (R3P)2Ni(C2H2), {(RO)3P}2Ni(C2H2), (tBuNC)2Ni(C2H2), (R3P)Ni(C2H2)(C2H4), {(R3P)-Ni(C2H4)}2(µ-C2H2), {(R3P)Ni(C2H2)}2(µ-C2H2), and (R3P)Ni(C2H2)2 (R = Me, Et, iPr,Ch, Ph). The chemical and spectroscopic properties of the new complexes are reported.