SCHEDULED MAINTENANCE
Flash vacuum pyrolysis of phosphorus ylides stabilised both by ester and sulfinyl groups results mainly in extrusion of Ph3PO to generate alkoxycarbonyl(sulfenyl)carbenes; these undergo intramolecular insertion into CH of the alkoxycarbonyl group giving β-lactones which under the conditions lose CO2 to afford alkenyl sulfides.
R. A. Aitken, M. J. Drysdale and B. M. Ryan, J. Chem. Soc., Chem. Commun., 1994, 805 DOI: 10.1039/C39940000805
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