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3β,4α,14α,20R,22R,25-HEXAHYDROXY-5α-CHOLEST-7-EN-6-ONE

Year of first report:2011
Formula:C27H44O7
Molecular weight:480
Occurence in plants:
Cyanotis arachnoidea [Commelinaceae] » Images of Cyanotis arachnoidea Wikipedia: <br />
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Occurence in animals:
 
3β,4α,14α,20R,22R,25-HEXAHYDROXY-5α-CHOLEST-7-EN-6-ONE

MASS SPECTRUM

ESI-MS m/z (positive) 481 [M+H]+, 463 [M+H-H2O]+, 445 [M+H-2H2O]+

CARBON NMR

PROTON NMR

C5D5N
0136.2
0228.9
0374.4
0472.5
0560.2
06202.6
07122.8
08166.5
0946.8
1040.6
1120.8
1231.7
1348.0
1483.8
1531.7
1621.4
1750.1
1817.9
1914.6
2076.8
2121.4
2277.6
2327.5
2442.7
2569.5
2630.0
2730.0
C5D5N
01-Ha1.65 (m)
01-He1.65 (m)
02-Ha2.00 (m)
02-He2.00 (m)
03-H3.80 (m)
04-H4.34 (m)
05-H2.30 (br, d, 9.5)
07-H6.15 (br, s)
09-H3.03 (m)
11-Ha2.11 (m)
11-He2.45 (m)
12-Ha2.55 (m)
12-He2.55 (m)
15-Ha2.15 (m)
15-Hb2.15 (m)
16-Ha2.11 (m)
16-Hb2.46 (m)
17-H2.98 (m)
18-Me1.18 (s)
19-Me0.92 (s)
21-Me1.59 (s)
22-H3.90 (br, d, 8.1)
23-Ha1.75 (m)
23-Hb2.15 (m)
24-Ha1.85 (m)
24-Hb2.30 (m)
26-Me1.38 (s)
27-Me1.38 (s)

PHYSICAL PROPERTIES

M.P.211-213 ░C ;
[α]D27 
IR (KBr) ν max (cm-1)
UV (MeOH) λ max (log ε) 

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationTAN, C. et al. (2011) Chin. J. Chem. 29, 937-941 Search more

see Important notice
© UniversitÚ 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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