Momordicin-28 or 13-hydroxy-28-methoxy-urs-11-en-3-one is a triterpene compound with formula C
31H
50O
3 found in the fresh fruit of the bitter melon (Momordica charantia).[1]
Names | |
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IUPAC name
13-Hydroxy-28-methoxyurs-11-en-3-one
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Systematic IUPAC name
(4aR,6aR,6bS,8aS,11R,12S,12aR,12bS,14aR,14bS)-12b-Hydroxy-8a-(methoxymethyl)-4,4,6a,6b,11,12,14b-heptamethyl-1,4,4a,5,6,6a,6b,7,8,8a,9,10,11,12,12a,12b,14a,14b-octadecahydropicen-3(2H)-one | |
Other names
13-Hydroxy-28-methoxy-urs-11-en-3-one
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Identifiers | |
3D model (JSmol)
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ChemSpider | |
PubChem CID
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UNII | |
CompTox Dashboard (EPA)
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Properties | |
C31H50O3 | |
Molar mass | 470.738 g·mol−1 |
Melting point | 121 to 122 °C (250 to 252 °F; 394 to 395 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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The compound is soluble in ethyl acetate and chloroform but not in petrol. It crystallizes as fine needles that melt at 121−122 °C. It was isolated in 1997 by S. Begum and others.[1]