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14-HYDROXYPINNASTEROL 3-ACETATE

Year of first isolation: 1986
Formula:C29H44O7
Molecular weight:504
Occurence in plants:
Laurencia pinnata [Rhodomelaceae] » Images of Laurencia pinnata Wikipedia: Laurencia pinnata [Rhodomelaceae]
Occurence in animals:
 
14-HYDROXYPINNASTEROL 3-ACETATE

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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C1[C@]2(C(=C[C@@H]([C@H]1O)OC(=O)C)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CCC(C)C)O)O)O)C)C » JSMol: View in 3D
IUPAC Name 
CAS-RN 
PubChem CID 
InChiKey
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VHEGDZJYISHSNW-FFVARVJKSA-N
InChIInChI=1S/C29H44O7/c1-16(2)7-8-25(33)28(6,34)24-10-12-29(35)19-13-21(31)20-14-23(36-17(3)30)22(32)15-26(20,4)18(19)9-11-27(24,29)5/h13-14,16,18,22-25,32-35H,7-12,15H2,1-6H3/t18-,22-,23-,24-,25+,26+,27+,28+,29+/m0/s1

MASS SPECTRUM

CI-MS (NH3) m/z 
EI-MS m/z (relative intensity %) 
FD-MS m/z505 (MH)+, 487, 486, 145, 101
HR-MS 

CARBON NMR

PROTON NMR

C5D5N
01 
02 
03 
04 
05 
06 
07 
08 
09 
10 
11 
12 
13 
14 
15 
16 
17 
18 
19 
20 
21 
22 
23 
24 
25 
26 
27 
28 
29 
C5D5N
01-Ha 
01-Hb 
02-Ha4.23 (ddd, 10, 7, 3.5)
03-Ha5.76 (dd, 7, 2)
04-H6.41 (d, 2)
07-H6.31 (d, 2.5)
09-Ha 
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.94 (t, 9)
18-Me1.20 (s )
19-Me1.26 (s )
21-Me1.60 (s )
22-Hb3.83 (d, 10)
23-Ha 
24-Ha 
24-Hb 
25-H 
26-Me0.84 (d, 6.4)
27-Me0.85 (d, 6.4)
OH6.52 (br s)

PHYSICAL PROPERTIES

M.P.? °C ; (Oil)
[α]D20+92 ° (c 0.5, MeOH)
IR (KBr) ν max (cm-1)3455, 1680, 1643, 1270
UV (EtOH) λ max (log ε)255 (4.00) ;

CHROMATOGRAPHY

TLC 
GLC 
HPLCpreparative on ?Porasil (CH2Cl2-CHCl3-MeOH 20:20:1)
LCpreparative silica gel (Merck, 70-230 mesh), fractions eluting with EtOAc and EtOAc-MeOH (9:1)

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationFUKUZAWA, A. et al. (1986) Phytochemistry 25, 1305-1307 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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