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Isolation and structure of cucurbitacin Q1

✍ Scribed by Atta-ur-Rahman; Viqar Uddin Ahmed; Mohammed Ataullah Khan; Fatima Zehra


Publisher
Elsevier Science
Year
1973
Tongue
English
Weight
288 KB
Volume
12
Category
Article
ISSN
0031-9422

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Cucurbitacins from Cayaponia racemosa: i
✍ Davina C. Chaves; João Carlos C. Assunção; Raimundo Braz-Filho; Telma L. G. Lemo 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 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