Cucurbitacins from Cayaponia racemosa: i
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Davina C. Chaves; João Carlos C. Assunção; Raimundo Braz-Filho; Telma L. G. Lemo
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Article
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2007
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John Wiley and Sons
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English
⚖ 108 KB
## Abstract Two new cucurbitane‐type triterpenoids, 2β,3β,16α,20(__R__),25‐pentahydroxy‐9‐methyl‐19‐norlanost‐5‐en‐7,22‐dione and 2β,3β,16α,20(__R__),25‐pentahydroxy‐9‐methyl‐19‐norlanost‐5‐en‐7,11,22‐trione, were isolated from fruits of __Cayaponia racemosa__. The total ^1^H and ^13^C chemical shi