Issue 4, 1992

Novel quasiphosphonium ylides from the reaction of trialkyl phosphites with dialkyl benzoylphosphonates: evidence for carbene intermediates in the intramolecular cyclisation of 2-substituted dialkyl benzoylphosphonates

Abstract

The reaction of dialkyl aroylphosphonates 1 with trialkyl phosphites leads to the formation of novel quasi-phosphonium ylides 4 which in some cases thermally rearrange to the bisphosphonates5. 2-Substituted dialkyl aroylphosphonates may also undergo intramolecular cyclisation under these conditions. Evidence is presented for the involvement of the carbene intermediates 3.

Article information

Article type
Paper

J. Chem. Soc., Perkin Trans. 1, 1992, 479-484

Novel quasiphosphonium ylides from the reaction of trialkyl phosphites with dialkyl benzoylphosphonates: evidence for carbene intermediates in the intramolecular cyclisation of 2-substituted dialkyl benzoylphosphonates

D. V. Griffiths, P. A. Griffiths, B. J. Whitehead and J. C. Tebby, J. Chem. Soc., Perkin Trans. 1, 1992, 479 DOI: 10.1039/P19920000479

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