Stereoselective synthesis of pyrrolizidine alkaloids via substituted nitrones
- 1 January 1986
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Chemical Communications
- No. 13,p. 1017-1018
- https://doi.org/10.1039/c39860001017
Abstract
The 3,5-disubstituted pyrrolizidine alkaloid (8) has been synthesised using, as a key step, the cyclisation of the allenic oxime E-(3) to generate a 5-substituted nitrone (4); under the same cyclisation conditions Z-(3) reacts via oxygen to give (9).Keywords
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