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CYASTERONE 2,3-MONOACETONIDE

Year of first isolation: 2005
Formula:C32H48O8
Molecular weight:560
Occurence in plants:
Cyathula officinalis [Asteraceae] » Images of Cyathula officinalis Wikipedia: Cyathula officinalis [Asteraceae]
Occurence in animals:
 
CYASTERONE 2,3-MONOACETONIDE

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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C1[C@]2([C@@H](C[C@@H]3[C@H]1OC(O3)(C)C)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](C[C@@H]1[C@H](OC(=O)[C@H]1C)C)O)O)O)C)C » JSMol: View in 3D
IUPAC Name(1S,3aS,5aR,6aR,9aS,10aR,10bR,12aR)-1-((2R,3R)-4-((2R,3S,4S)-2,4-dimethyl-5-oxotetrahydrofuran-3-yl)-2,3-dihydroxybutan-2-yl)-3a-hydroxy-8,8,10a,12a-tetramethyl-1,2,3,3a,5a,6,6a,9a,10,10a,10b,11,12,12a-tetradecahydro-5H-cyclopenta[7,8]phenanthro[2,3-d][1,3]dioxol-5-one
CAS-RN 
PubChem CID 
InChiKey
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CMPNZMGFQLFLPL-RGSFOVLZSA-N
InChIInChI=1S/C32H48O8/c1-16-18(17(2)38-27(16)35)12-26(34)31(7,36)25-9-11-32(37)20-13-22(33)21-14-23-24(40-28(3,4)39-23)15-29(21,5)19(20)8-10-30(25,32)6/h13,16-19,21,23-26,34,36-37H,8-12,14-15H2,1-7H3/t16-,17+,18-,19-,21-,23+,24-,25-,26+,29+,30+,31+,32+/m0/s1

MASS SPECTRUM

EI-MS m/z (relative intensity %)
ESI-MS m/z559 [M-H]? (negative mode); 583 [M+Na]+, 1143 [2M+Na]+ (positive mode)
HR-ESIMS (negative mode)559.3251 [M-1]? calc. for C32H47O8 559.3270

CARBON NMR

PROTON NMR

C5D5N/acetone-d§
0137.9
0272.5
0372.1
0426.8
0551.5
06201.7
07121.2
08164.4
0934.9
1038.2
1121.0
1231.3
1349.0
1484.1
1531.9
1620.5
1749.7
1817.5
1923.6
2076.6
2121.0
2274.0
2334.1
2448.2
2542.3
26178.6
2715.4
2879.8
2919.2
Me28.5, 26.3
OCO108.1
CDCl3
0137.6
0272.1
0371.6
0426.7
0550.8
06202.6
07121.7
08162.6
0934.4
1037.8
1120.5
1231.3
1348.2
1484.5
1531.7
1620.3
1748.9
1817.4
1923.6
2077.0
2120.4
2273.2
2333.7
2447.7
2542.3
26179.1
2715.7
2880.1
2919.6
Me28.5, 26.4
OCO108.4
C5D5N/acetone-d§
01-Ha 
01-He 
02-Ha4.16 (m)
03-He4.18 (br, s)
04-Ha 
04-He 
05-H2.27 (d, 11.6)
07-H5.84 (d, 2)
09-H3.03 (t, 8.4)
11-Ha 
11-He 
12-Ha 
12-He 
15-Ha 
15-Hb 
16-Ha2.18 (q, 10.8)
16-Hb 
17-H2.56 (t, 9.2)
18-Me1.00 (s)
19-Me0.98 (s)
21-Me1.45 (s)
22-H3.70 (d, 10.0)
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H2.42 (dq, 10.8, 6.8)
27-Me1.26 (d, 6.8)
28-H4.10 (dq, 9.6, 6.4)
29-Me1.38 (d, 6.4)
Me2C=1.31 (3H, s), 1.27 (3H, s)

PHYSICAL PROPERTIES

M.P.241-243 °C ;
[α]D25+ 30.9 ° (c 0.11 ; MeOH)
IR (KBr) ν max (cm-1)3456, 1752, 1643
UV (MeOH) λ max (log ε)243 (3.95) ;

CHROMATOGRAPHY

HPLCNP-HPLC column Merck KGaA-Diol (250 mm long, 4 mm i.d.), eluted with CH2Cl2-MeOH 98:2, flow-rate 1 ml.min?1, ret 20.59 min.
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationZHOU, R. et al. (2005) J. Asian Nat. Prod. Res. 7(3), 245-252 Search more

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