Thiazepine photochemistry. Ready 1,3-hydrogen shifts from a side-chain amide
- 1 January 1971
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society D: Chemical Communications
- No. 16,p. 988-989
- https://doi.org/10.1039/c29710000988
Abstract
An unusual, thermally reversible, 1,3-hydrogen shift occurs during irradiation of 6-benzyloxycarbonyl-amino-2,3-dihydro-1,4-thiazepines (2, 3, and the corresponding sulphoxide and sulphone of 3b); this is a special case of imine-enamine tautomerism, arising from the singlet excited state.Keywords
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