The conformational analysis of saturated heterocycles. Part LXIII. Tetrahydro-1,2-oxazines 2and related acyclic hydroxylamines
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 13,p. 1554-1557
- https://doi.org/10.1039/p29740001554
Abstract
Infrared intensities show that the proton attached to nitrogen in tetrahydro-1,2-oxazine exists predominantly in the equatorial position. For an N-methyl group, the equatorial position is favoured by ca. 1·9 kcal mol–1, as deduced from electric dipole moments. The conformations of di- and tri-methylhydroxylamines are discussed.Keywords
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