期刊
SYNTHESIS-STUTTGART
卷 -, 期 18, 页码 3105-3112出版社
GEORG THIEME VERLAG KG
DOI: 10.1055/s-0030-1257869
关键词
synthesis; organocatalysis; sequential reactions; proline; hemlock alkaloids
资金
- CSIR, New Delhi
- DST, New Delhi [SR/S1/OC-40/2003]
A short and efficient synthesis of the indolizidine alkaloid (S)-coinicine has been achieved using organocatalytic sequential alpha-aminoxylation and Horner-Wadsworth-Emmons olefination of an aldehyde catalyzed by L-proline. Similarly, a common organocatalytic alpha-aminoxylation route has been developed for the asymmetric synthesis of both (R)-coniine and (S)-coinicine.
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