Abstract
A new class of organometallic polymer having a backbone of conjugated Poly-yne and Zr-metal atoms has been prepared. Trichloroethylene (TCE) and Hexachlorobutadiene (HCB) are quantitatively converted by n-butyllithium to dilithioacetylene (LiCCLi) and dilithiodiacetylene (LiCCCCLi) respectively. Quenching with Cp2*ZrCl2 affords high yields of the polymers Zr(Cp2*)CCn and Zr(Cp2*)CCCCn where Cp* = C5(CH3)5 = pentamethyl cyclopentadienyl. The Cp2*ZrCl2 and the polymers were characterized by viscosity, molecular weight, elemental analysis, FTIR, NMR spectra, and TGA. © 1999 John Wiley & Sons, Inc. J Polym Sci A: Polym Chem 37: 3899–3902, 1999
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