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ZENKERSTERONE

Year of first isolation: 2020
Formula:C28H42O7
Molecular weight:490
Occurence in plants:
Penianthus zenkeri [Menispermaceae] » Images of Penianthus zenkeri
Occurence in animals:
 
ZENKERSTERONE

STRUCTURE DESCRIPTORS

Isomeric SMILES
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C[C@@]12[C@@](C(C=C3C2CC[C@@]4(C)[C@@]3(O)CC[C@@H]4[C@](C)([C@H](O5)C[C@@H](C)[C@@H](C)C5=O)O)=O)([H])C[C@@H](O)[C@@H](O)C1 » JSMol: View in 3D
IUPAC Name(3R,4R,6R)-6-((1R)-1-hydroxy-1-((2S,3R,5R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,6,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethyl)-3,4-dimethyltetrahydro-2H-pyran-2-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
FULFIHVZEXTASX-ZTIGFMEGSA-N
InChIInChI=1S/C28H42O7/c1-14-10-23(35-24(32)15(14)2)27(5,33)22-7-9-28(34)17-11-19(29)18-12-20(30)21(31)13-25(18,3)16(17)6-8-26(22,28)4/h11,14-16,18,20-23,30-31,33-34H,6-10,12-13H2,1-5H3/t14-,15-,16?,18+,20-,21+,22+,23-,25-,26-,27-,28-/m1/s1

MASS SPECTRUM

HRESIMS (positive ion mode) m/z 513.2813 [M+Na]+, calc. for C28H42O7Na 513.2828

CARBON NMR

PROTON NMR

CD30D
0137.4
0268.7
0368.5
0431.8
0551.8
06206.4
07122.3
08167.7
0935.1
1039.3
1121.4
1231.5
1349.6
1485.2
1532.4
1621.5
1750.4
1824.4
1918.1
2076.7
2120.7
2284.4
2331.5
2439.1
2539.1
26178.7
2712.4
2818.4
CD30D
01-Ha1.44 (m)
01-Hb1.81 (m)
02-Ha3.84 (dt, 12.0, 3.9)
03-He3.96 (br d, 3.0)
04-Ha1.74 (m)
04-Hb1.74 (m)
05-H2.40 (dd, 12.9, 4.4)
07-H5.83 (d, 2.3)
09-H3.17 (m)
11-Ha1.69 (m)
11-Hb1.80 (m)
12-Ha1.63 (m)
12-Hb1.79 (m)
15-Ha1.80 (m)
15-Hb1.80 (m)
16-Ha1.64 (m)
16-Hb2.02 (m)
17-H2.46 (m)
18-Me0.98 (s)
19-Me0.89 (s)
21-Me1.28 (s)
22-H4.29 (dd, 11.9, 4.1)
23-Ha1.37(m)
23-Hb2.18 (m)
24-H2.31 (sept, 7.0)
25-H2.85 (q, 7.0)
27-Me1.13 (d, 7.0)
28-Me0.92 (d, 7.0)

PHYSICAL PROPERTIES

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

CHROMATOGRAPHY

HPLC
HPTLC
TLC
GLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationTABEKOUENG, G.B. et al. (2020) Phytochemistry Letters 38, 12-18 Search more

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© Université Pierre & Marie Curie, Paris 6, France
© Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
© Institut National de la Recherche Agronomique, Versailles, France
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