Tetranortriterpenoids and related substances. Part XVII. A new skeletal class of triterpenoids from Guarea glabra(Meliaceae)
- 1 January 1975
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 1
- No. 5,p. 491-497
- https://doi.org/10.1039/p19750000491
Abstract
Seven new triterpenoids from the heartwood of Guarea glabra are formulated as (1)–(5), (14), and (26) on the basis of chemical, spectroscopic, and X-ray evidence. All are based on the novel pentacyclic triterpane skeleton, (20S)-4,4,8β-trimethyl-14,18-cyclo-5α,13α,14α,17α-cholestane (16).Keywords
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