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(24Z)-22,25-EPOXY-2,3,14,20-TETRAHYDROXY-28-METHYLERGOSTA-7,24(28)-DIEN-6-ONE

Year of first isolation: 2025
Formula:C29H44O6
Molecular weight:488
Occurence in plants:
Tournefortia sibirica [Boraginaceae] » Images of Tournefortia sibirica
Occurence in animals:
 
(24Z)-22,25-EPOXY-2,3,14,20-TETRAHYDROXY-28-METHYLERGOSTA-7,24(28)-DIEN-6-ONE

STRUCTURE DESCRIPTORS

Isomeric SMILES
[ PubChem: search | XML ]
[ ChemSpider: search ]
C[C@@]12[C@@](C(C=C3C2CC[C@@]4(C)[C@@]3(O)CC[C@]4([H])[C@](C)([C@@H]5OC(C)(C)/C(C5)=C\C)O)=O)([H])C[C@@H](O)[C@@H](O)C1 » JSMol: View in 3D
IUPAC Name(2S,3R,5R,10R,13R,14S,17S)-17-((R)-1-((R,Z)-4-ethylidene-5,5-dimethyltetrahydrofuran-2-yl)-1-hydroxyethyl)-2,3,14-trihydroxy-10,13-dimethyl-1,2,3,4,5,9,10,11,12,13,14,15,16,17-tetradecahydro-6H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
KCZKUJYIQDFBCZ-YWNCAGBASA-N
InChIInChI=1S/C29H44O6/c1-7-16-12-24(35-25(16,2)3)28(6,33)23-9-11-29(34)18-13-20(30)19-14-21(31)22(32)15-26(19,4)17(18)8-10-27(23,29)5/h7,13,17,19,21-24,31-34H,8-12,14-15H2,1-6H3/b16-7-/t17?,19-,21+,22-,23-,24+,26+,27+,28+,29+/m0/s1

MASS SPECTRUM

HRESIMS (positive ion mode) m/z 471.3099 [M+H-H2O]+, calcd 471.3105 for C29H43O3+

CARBON NMR

PROTON NMR

C5D5N
0138.3
0268.5
0368.4
0432.0
0551.8
06203.9
07122.0
08166.5
0934.7
1039.0
1121.4
1231.9
1347.9
1484.5
1532.8
1622.1
1751.7
1818.3
1924.8
2075.4
2121.4
2281.9
2337.2
24147.8
2581.2
2627.8
2726.4
28114.4
2914.0
C5D5N
01-Ha2.15
01-Hb1.92
02-Ha4.21 (d, 8.2)
03-He4.27 (br s)
04-Ha2.15
04-Hb1.92
05-H3.04 (br d, 9.8)
07-H6.27 (br s)
09-H3.61 (br s)
11-Ha1.92
11-Hb1.72
12-Ha2.67
12-Hb1.92
15-Ha1.892
15-Hb2.15
16-Ha2.15
16-Hb2.38
17-H2.92 (t, 8.7)
18-Me1.06 (s)
19-Me1.08 (s)
21-Me1.44 (s)
22-H4.07 (dd, 10.8, 5.3)
23-Ha2.67
23-Hb2.38
26-Me1.41 (s)
27-Me1.40 (s)
28-H5.25 (q, 7.1)
29-Me1.58 (d, 7.1)

PHYSICAL PROPERTIES

M.P.— °C
[α]D25+ 37.5 (c 0.05 ; MeOH)
IR (KBr) ν max (cm-1)
UV (MeOH) λ max (log ε)nm (-)

CHROMATOGRAPHY

GLC
HPTLC
TLC
HPLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationJIN, L. et al. (2025) Nat. Prod. Res. January, 1–6 Search more

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© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
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