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On the pathway of the 1–5 migration of a Cp* ligand

Schiffer, Michael and Scheer, Manfred (2000) On the pathway of the 1–5 migration of a Cp* ligand. Journal of the Chemical Society, Dalton Transactions 2000 (15), pp. 2493-2494.

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Abstract

The thermolysis and photolysis, respectively, of the phosphinidene complex [Cp*P ${W(CO)5}$ 2] 1 in the presence of MeCCMe leads to the three-membered heterocycle [(2-CH2C5Me4)W(CO)4C ${(CH3)CH(CH3)}$ PW(CO)5] 4 with an unusual 2-coordinated CH2C5Me4 ligand formed by a 1,4-sigmatropic hydrogen shift; the crystal structure and the spectroscopic data of 4 are discussed.