Endecaphyllacin is either of two similar compounds found in certain plants, such as ''
Hemsleya endecaphylla
''Hemsleya'' is a genus of flowering plants belonging to the family Cucurbitaceae.
Its native range is Eastern Himalayas to southern China and Papuasia. It is native to the countries of Assam (in India), Bismarck Archipelago (island group, part ...
''.
[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 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 used as storage organs for nutrients in some plants. They are used for the plant's perennation (survival of the winter or dry months), to provide energy and nutrients for regrowth during the next growin ...
s of ''Hemsleya endecaphylla
''Hemsleya'' is a genus of flowering plants belonging to the family Cucurbitaceae.
Its native range is Eastern Himalayas to southern China and Papuasia. It is native to the countries of Assam (in India), Bismarck Archipelago (island group, part ...
'' with methanol, at concentrations 150 mg/72 g and 20 mg/72 g.
References
{{Chemistry index
Triketones
Triterpenes