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DIAULUSTEROL A

Year of first isolation: 1986
Formula:C31H48O6
Molecular weight:516
Occurence in plants:
 
Occurence in animals:
Diaulula sandiegensis [Mollusca] » Images of Diaulula sandiegensis Wikipedia: Diaulula sandiegensis [Mollusca]
DIAULUSTEROL A

STRUCTURE DESCRIPTORS

Canonical SMILESCC(CCCC(C)(C)OC(=O)CC(C)O)C1CCC2C1(CCC3C2=CC(=O)C4=CC(C(CC34C)O)O)C
Isomeric SMILES
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C1[C@]2(C(=C[C@@H]([C@@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2(C1CC[C@@H]2[C@H](C)CCCC(C)(C)OC(=O)CC(C)O)C)C  » JSMol: View in 3D
C1[C@]2(C(=C[C@@H]([C@@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@H]1CC[C@@H]2[C@H](C)CCCC(C)(C)OC(=O)CC(C)O)C)C  » JSMol: View in 3D
C1[C@]2(C(=C[C@@H]([C@@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@@H]1CC[C@@H]2[C@H](C)CCCC(C)(C)OC(=O)CC(C)O)C)C » JSMol: View in 3D
IUPAC Name[6-[(2R,3S,10R,13R,17R)-2,3-dihydroxy-10,13-dimethyl-6-oxo-1,2,3,9,11,12,14,15,16,17-decahydrocyclopenta[a]phenanthren-17-yl]-2-methylheptan-2-yl] 3-hydroxybutanoate
CAS-RN 
PubChem CID22832540
InChiKey
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HVGPOQMKFKPULV-NTCDBHQHSA-N
InChIInChI=1S/C31H48O6/c1-18(8-7-12-29(3,4)37-28(36)14-19(2)32)21-9-10-22-20-15-25(33)24-16-26(34)27(35)17-31(24,6)23(20)11-13-30(21,22)5/h15-16,18-19,21-23,26-27,32,34-35H,7-14,17H2,1-6H3/t18?,19?,21-,22?,23?,26+,27-,30-,31-/m1/s1

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 
HR-MS 

CARBON NMR

PROTON NMR

CDCl3
01 
0266.7
0364.4
04128.1
05146.2
06188.7
07123.6
08166.9
09 
10 
11 
12 
13 
14 
15 
16 
17 
1812.5
1921.1
20 
2118.7
22 
23 
24 
2583.6
2626.1
2726.2
C172.4
CH65.2
CH242.1
CH322.3
CDCl3
01-Ha 
01-Hb 
02-He3.90 (dt, 11.5)
03-Ha4.28 (t, 5)
04-H6.54 (d, 5)
07-H5.87 (t, 1)
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me0.65 (s )
19-Me1.17 (s )
20-H 
21-Me0.96 (d, 7)
22-Ha 
22-Hb 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
26-Me1.46 (s )
27-Me1.46 (s )
29/30-CH22.34 (dd, 9,16); 2.42 (dd, 4,16)
31-CH4.15 (m )
32-Me1.21 (d, 7)

PHYSICAL PROPERTIES

M.P. 
[α]D20 
IR (KBr) ν max (cm-1)3380 (OH), 1722 (ester), 1660 (cyclohexenone), 1620 (ene)
UV (EtOH) λ max (log ε) 

CHROMATOGRAPHY

HPTLC 
TLC(silica) Rf 0.18 (EtOAc)
GLC 
HPLCcolumn Whatman magnum ODS-3, solvent MeOH-H2O (7:3)

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationWILLIAMS, D.E. et al. (1986) Can. J. Chem. 64, 1527-1529 Search more

see Important notice
© 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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