Endecaphyllacin
Encyclopedia
Endecaphyllacin is either of two similar compounds found in certain plants, such as Hemsleya endecaphylla.
  • 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
    Methanol, also known as methyl alcohol, wood alcohol, wood naphtha or wood spirits, is a chemical with the formula CH3OH . It is the simplest alcohol, and is a light, volatile, colorless, flammable liquid with a distinctive odor very similar to, but slightly sweeter than, ethanol...

     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
    Khekadaengoside
    Khekadaengoside is any one of several chemical compounds isolated from certain plants, notably Trichosanthes tricuspidata. They can be seen as derivatives of the triterpene hydrocarbon cucurbitane , more specifically from cucurbitacins H and 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
Tuber
Tubers are various types of modified plant structures that are enlarged to store nutrients. They are used by plants to survive the winter or dry months and provide energy and nutrients for regrowth during the next growing season and they are a means of asexual reproduction...

s of Hemsleya endecaphylla with methanol
Methanol
Methanol, also known as methyl alcohol, wood alcohol, wood naphtha or wood spirits, is a chemical with the formula CH3OH . It is the simplest alcohol, and is a light, volatile, colorless, flammable liquid with a distinctive odor very similar to, but slightly sweeter than, ethanol...

, at concentrations 150 mg/72 g and 20 mg/72 g.
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