Competitive addition and substitution reactions in the interaction of CpWOs3(CO)9(μ-O)(μ3-CCH2Tol) with phosphorus donors. The crystal structure of CpWOs3(CO)8(PPh2Me)(μ-O)(μ3-CCH2Tol)

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review

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Author(s)

  • Yun Chi
  • John R. Shapley
  • Melvyn Rowen Churchill
  • James C. Fettinger

Detail(s)

Original languageEnglish
Pages (from-to)273-285
Journal / PublicationJournal of Organometallic Chemistry
Volume372
Issue number2
Publication statusPublished - 15 Aug 1989
Externally publishedYes

Abstract

Treatment of a CpWOs3(CO)9(μ-O)(μ3-CCH2Tol) (1) with excess trimethylphosphite in boiling toluene afforded both an addition product, CpWOs3(CO)9(P(OMe)3)(μ-O)(μ3-CCH2-Tol) (3), and a substitution product, CpWOs3(CO)8(P(OMe)3)(μ-O)(μ3-CCH2)Tol) (4), isolated as crystalline solids in 32% and 21% yields, respectively. From an analogous reaction of 1 with diphenylmethylphosphine only the substitution product CpWOs3(CO)8 (PPh2Me)(μ-O)(μ3-CCH2Tol) (5) was isolated. Complexes 3-5 have been characterized by IR, 1H and 13C NMR, and field desorption mass sepctroscopies. In addition the molecular structure of 5 has been determined by X-ray crystallography.

Citation Format(s)

Competitive addition and substitution reactions in the interaction of CpWOs3(CO)9(μ-O)(μ3-CCH2Tol) with phosphorus donors. The crystal structure of CpWOs3(CO)8(PPh2Me)(μ-O)(μ3-CCH2Tol). / Chi, Yun; Shapley, John R.; Churchill, Melvyn Rowen et al.
In: Journal of Organometallic Chemistry, Vol. 372, No. 2, 15.08.1989, p. 273-285.

Research output: Journal Publications and ReviewsRGC 21 - Publication in refereed journalpeer-review