Chemistry:Momordicin-28

Momordicin-28

Names
IUPAC name 13-Hydroxy-28-methoxyurs-11-en-3-one
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
Identifiers
CAS Number	1392-51-4 Y[PubChem]
3D model (JSmol)	Interactive image
ChemSpider	57566599
PubChem CID	57518366
UNII	BWR6B8CZ53 Y
InChI InChI=1S/C31H50O3/c1-20-9-15-30(19-34-8)18-17-29(7)28(6)14-10-22-26(3,4)24(32)12-13-27(22,5)23(28)11-16-31(29,33)25(30)21(20)2/h11,16,20-23,25,33H,9-10,12-15,17-19H2,1-8H3/t20-,21+,22+,23-,25-,27+,28-,29+,30-,31+/m1/s1 Key: SQYPHCMLIZHTPW-LWIDLGQCSA-N
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	470.738 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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Infobox references

Tracking categories (test):

• SizeSet

Momordicin-28 or 13-hydroxy-28-methoxy-urs-11-en-3-one is a triterpene compound with formula C₃₁H₅₀O₃ found in the fresh fruit of the bitter melon (Momordica charantia).

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.

See also

• Momordicin I
• Momordicinin
• Momordicilin
• Momordenol
• Momordol