Formation of 3,6-dihydro-1,2,4-oxathiazines from thioketone S-oxides and a 2H-azirine via a new type of [3,3] cycloaddition reaction
- 1 January 1985
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 4,p. 237-238
- https://doi.org/10.1039/c39850000237
Abstract
Diarylthioketone S-oxides react with the 2H-azirine (1) in the presence of boron trifluoride–diethyl ether to give the oxathiazines (3)via a 1,3-cyclization across the sulphine C–S–O bond; the oxathiazines (3) rearrange thermally to the sulphoxides (5).Keywords
This publication has 0 references indexed in Scilit: