2-Oxazolines (4,5-dihdro-oxazoles) by organoselenium-induced cyclisation of allylic ureas
- 1 January 1989
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 8,p. 450-452
- https://doi.org/10.1039/c39890000450
Abstract
The reaction of allylic ureas with phenylselenenyl chloride in the presence of silica gel affords 2-oxazolines in good to excellent yields; 2-oxazolines are also stereospecifically obtained from β-phenylseleno ureas by chemoselective alkylation of the selenium atom followed by basic treatment.Keywords
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