| 摘要 |
Multinuclear cobalt carbonyl pi -Complexes having metal-cobalt bonds and which are useful as catalysts for the dimerization of norbornadiene are represented by the general formula: Z4-mMCom(CO)4m-2nYn WHEREIN M is a Group 4a metal, Z is a halo, nitrato, alkyl, aryl or similar ligand, Y is a pi -bonded diolefin ligand, m is 2, 3, or 4, and n is 1, 2, 3, or 4, but not greater than m.
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