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DOI: 10.1039/A705782B (Paper) Reference Section for: Chem. Commun., 1998, 127-128

Zwitterionic alkene polymerization catalyst derived from Cp2Zr(η2-C2H4)PPh2Me and B(C6F5)3

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Yimin Sun, Warren E. Piers, Yimin Sun and Steven J. Rettig

Abstract

The phosphine stabilized ethylene complex of zirconocene, Cp2Zr, reacts with 1 equiv. of B(C6F5)3 to form the girdle-type zwitterion Cp2Zr+(PPh3Me)CH2CH2B–(C6F5)3 2, which serves as an ethene polymerization catalyst either with or without added B(C6F5)3.

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