Synthesis and mass spectra of some αβ-unsaturated γ-lactones and γ-lactams
- 1 January 1974
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- p. 1499-1504
- https://doi.org/10.1039/p19740001499
Abstract
Migration of an alkyl or phenyl group from the γ-position of a number of γ-disubstituted αβ-unsaturated γ-lactones and one γ-lactam upon electron impact has been proved by high resolution and 18O-labelling studies and by the observation of metastable ions. Improved methods for the synthesis of such compounds uncontaminated by their dihydro-derivatives are described.Keywords
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