Momordicin-28

Momordicin-28

Names
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
Identifiers
CAS Number	1392-51-4=
Jmol interactive 3D	Image
SMILES C[C@H]1[C@H](C)CC[C@]2(COC)CC[C@@]3(C)[C@]4(C)CC[C@@]5([H])C(C)(C)C(CC[C@]5(C)[C@@]4([H])C=C[C@]3(O)[C@@]21[H])=O
Properties
Chemical formula	C31H50O3
Molar mass	470.74 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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Infobox references

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]

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]

See also

• Momordicin I
• Momordicin II
• Momordicinin
• Momordicilin
• Momordenol
• Momordol

References

1. Sabira Begum, Mansour Ahmed, Bina S. Siddiqui, Abdullah Khan, Zafar S. Saify, and Mohammed Arif (1997), Triterpenes, a sterol and a monocyclic alcohol from Momordica charantia. Phytochemistry, volume 44, issue 7, pages 1313-1320