Preparation of metallocenes from hydrocarbon dianions

TJ Katz, N Acton, G Martin

Index: Katz,T.J. et al. Journal of the American Chemical Society, 1973 , vol. 95, # 9 p. 2934 - 2939

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Citation Number: 32

Abstract

Method B. With DMAD Present. VI1 (0.20 g, 0.6 mmol) and DMAD (0.20 g 1.4 mmol) in 50 ml of xylene were stirred in an oil bath at 150" for 8 hr. The mixture was cooled to room temperature, the solvent stripped off, and the residue chromatographed on 25 g of neutral alumina. Benzene eluted a yellow compound (70 mg) with an ir spectrum similar to that described above. A brown band eluted in methanol; the solvent was evaporated from this ...