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Preparation of heteronuclear bridging methylene complexes

Mackenzie, P. B. and Ott, K. C. and Grubbs, R. H. (1984) Preparation of heteronuclear bridging methylene complexes. Pure and Applied Chemistry, 56 (1). pp. 59-61. ISSN 0033-4545. doi:10.1351/pac198456010059.

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The reactions of the titanacyclobutane complexes (η^5-C_5H_5)_2TiCH_2CRR'CH_2 (la, R = R' = Me; lb, R = Me, R' = Pr) with M-X compounds (M =Ti, Zr, Rh, Ir, Pd, Pt; X = Cl, OMe) have been investigated. The titanacyclobutanes have been found to react as sources of (η^5-C_5H_5)_2TiCH_2, giving (η^5-C_5H_5)_2Ti(μ –CH_2)(μ-X)ML_n (L_n = ancillary ligands) products. Several such complexes have been isolated as crystalline solids; however, only (η^5-C_5H_5_2Ti(μ-CH_2)(μ-X)Rh(η^4-l,5-cyclooctadiene) is stable in solution at 25°C. The complex η^5-C_5H_5)_2iTi(μ-CH_2)(μ-Cl)Ti(η^5-C_5Me_5)Cl was found to react with CO to form the bridging ketene complex (η^5-C_5H_5)_2Ti-μ, η^2(C,O)-(OCCH_2)Ti(η^5-C_5Me_5)Cl_2.

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Grubbs, R. H.0000-0002-0057-7817
Additional Information:© 1984 IUPAC.
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Caltech Laboratories of Chemistry6398
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ID Code:88656
Deposited By: Tony Diaz
Deposited On:08 Aug 2018 17:36
Last Modified:16 Nov 2021 00:28

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