Endecaphyllacin is either of two similar compounds found in certain plants, such as ''
Hemsleya endecaphylla''.
[Jian-Chao Chen, Gao-Hong Zhang, Zhong-Quan Zhang, Ming-Hua Qiu, Yong-Tang Zheng, Liu-Meng Yang, Kai-Bei Yu (2008), "Octanorcucurbitane and Cucurbitane Triterpenoids from the Tubers of ''Hemsleya endecaphylla'' with HIV-1 Inhibitory Activity". ''J. Nat. Prod.'' volume 71, pages 153–155 ]
*
Endecaphyllacin A, 2β-hydroxy-20,21,22,23,24,25,26,27-octanorcucurbita-5-ene-3,11,16-trione, . Crystallizes with 1 molecule of
methanol
Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical compound and the simplest aliphatic Alcohol (chemistry), alcohol, with the chemical formula (a methyl group linked to a hydroxyl group, often ab ...
as colorless prisms, mp 207-209 °C;
[
* Endecaphyllacin B, 2-hydroxy-20,21,22,23,24,25,26,27-octanorcucurbita-1,5-dien-3,11,16-trione, . It is the aglycon of khekadaengoside L from ''Trichosanthes tricuspidata''. Crystallizes from methanol as colorless prisms, mp 229-231 °C][
Endecaphyllacins A and B can be extracted from the dried ]tuber
Tubers are a type of enlarged structure that plants use as storage organs for nutrients, derived from stems or roots. Tubers help plants perennate (survive winter or dry months), provide energy and nutrients, and are a means of asexual reproduc ...
s of '' Hemsleya endecaphylla'' with methanol
Methanol (also called methyl alcohol and wood spirit, amongst other names) is an organic chemical compound and the simplest aliphatic Alcohol (chemistry), alcohol, with the chemical formula (a methyl group linked to a hydroxyl group, often ab ...
, at concentrations 150 mg/72 g and 20 mg/72 g.
References
{{Chemistry index
Triketones
Triterpenes