König, Burkhard and Bennett, Martin A. and Meijere, Armin de
Zirconocene Complexes of [2.2]Paracyclophane with Formal Triple Bonds in the Bridges.
Synlett 1994 (8), pp. 653-654.
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Zirconocene complexes of [2.2]paracylophanes with formal triple bonds in the bridges, corresponding to zirconacyclo-propenes, were synthesized from [2.2]paracylophan-1-ene (1) and 1,9(10)-dibromo[2.2]paracyclophan-1,9-diene (5) via their vinyl lithium derivatives and characterized by spectroscopic methods. The zirconocene-alkyne complexes 7, 9 react with bromine or iodine with loss of the ...
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