The reaction of a g,g,g-trifluoro-b-(p-methoxyphenylamino) sulfoxide with trifluoroacetic anhydride under Pummerer conditions occurs in an abnormal fashion, providing an excellent yield of the cyclic six-membered sulfonium salt arising from intramolecular interception of the usual trifluoroacetoxy-sulfonium intermediate by the electron rich p-methoxyphenyl group.

Unusual Trifluoroacetic Anhydride Promoted Fragmentation of a g,g,g-Trifluoro-b-(p-methoxyphenylamino) Sulfoxide

CRUCIANELLI, MARCELLO;
1997-01-01

Abstract

The reaction of a g,g,g-trifluoro-b-(p-methoxyphenylamino) sulfoxide with trifluoroacetic anhydride under Pummerer conditions occurs in an abnormal fashion, providing an excellent yield of the cyclic six-membered sulfonium salt arising from intramolecular interception of the usual trifluoroacetoxy-sulfonium intermediate by the electron rich p-methoxyphenyl group.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11697/11275
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