Organophosphorus Compounds, Part 168; [1] 1,3-Dipolar Cycloaddition Reactions of 1,3,5-Triphosphinines with Nitrile Oxides

Abstract

Phenylnitrile oxide as well as mesitylnitrile oxide underwent 1,3-dipolar cycloaddition reactions with the 1,3,5-triphosphinines 2 under mild conditions to furnish the condensed heterocyclic compounds 9 and 11, respectively. Oxadiphospholes 14 were accessible by fragmentation reactions of 11.

Key words

phosphorus - 1,3-dipolar cycloadditions - nitrile oxides - 1,2,4-oxazaphospholes - 1,2,4-oxadiphospholes

References

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Crystal data (excluding structure factors) for the structure reported in this paper has been deposited with the Cambridge Crystallographic Data Centre as supplementary publication no. CCDC-211047. Copies of the data can be obtained free of charge on application to CCDC, 12 Union Road, Cambridge CB2 1EZ, U.K. [Fax: [phone]; E-mail: [e-mail]].