Synthetic Cardenolides and Related Products. II. Lactams
- 15 August 1971
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 49 (16) , 2676-2680
- https://doi.org/10.1139/v71-444
Abstract
On treatment of cardenolides with ammonia or methylamine two isomers are obtained, 21-amino-14β,21-oxidonorcholan-23-oic acid lactam and 21-amino-14β-hydroxy-16β,21-oxidonorcholan-23-oic acid lactam. The assignment of stereochemistry to each isomer is based on the n.m.r. spectra and the correlation with the structure of isodigitoxigenin or isogitoxigenin.Keywords
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