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24,28-DIEPI-CYASTERONE

Year of first isolation: 2007
Formula:C29H44O8
Molecular weight:520
Occurence in plants:
Microsorum scolopendria [Polypodiaceae] » Images of Microsorum scolopendria Wikipedia: Microsorum scolopendria [Polypodiaceae]
Occurence in animals:
 
24,28-DIEPI-CYASTERONE

STRUCTURE DESCRIPTORS

Canonical SMILESCC1C(C(OC1=O)C)CC(C(C)(C2CCC3(C2(CCC4C3=CC(=O)C5C4(CC(C(C5)O)O)C)C)O)O)O
Isomeric SMILES
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C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1[C@@H]2CC[C@]2([C@]1(CC[C@@H]2[C@](C)([C@@H](CC1[C@@H](OC(=O)[C@H]1C)C)O)O)O)C)C » JSMol: View in 3D
IUPAC Name(3S,4S,5S)-4-[(2R,3R)-2,3-dihydroxy-3-[(2S,3R,5R,9R,10R,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-6-oxo-2,3,4,5,9,11,12,15,16,17-decahydro-1H-cyclopenta[a]phenanthren-17-yl]butyl]-3,5-dimethyloxolan-2-one
CAS-RN 
PubChem CID11260931
InChiKey
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NEFYSBQJYCICOG-OENMBAOESA-N
InChIInChI=1S/C29H44O8/c1-14-16(15(2)37-25(14)34)10-24(33)28(5,35)23-7-9-29(36)18-11-20(30)19-12-21(31)22(32)13-26(19,3)17(18)6-8-27(23,29)4/h11,14-17,19,21-24,31-33,35-36H,6-10,12-13H2,1-5H3/t14-,15-,16-,17-,19-,21+,22-,23-,24+,26+,27+,28+,29+/m0/s1

MASS SPECTRUM

HR-MS
CI-MS (NH3) m/z 538 [M+H+NH3]+, 521 [M+H]+, 520 [M+H+NH3-H2O]+, 503 [M+H-H2O]+, 485 [M+H-2H2O]+, 411; 279, 174, 136.

CARBON NMR

PROTON NMR

D2O
0137.8
0269.8
0369.8
0433.7
0552.8
06211.1
07123.7
08n.d.
0936.6
1040.8
1122.4
1233.5
1350.0
1487.8
1533.0
1622.4
1751.5
1819.7
1925.7
2080.6
2121.9
2276.8
2331.2
2444.6
2550.7
26187.4
2712.5
2886.3
2921.8
C5D5N
0138.2
0268.3
0368.2
0432.6
0551.6
06203.9
07121.8
08166.5
0934.7
1039.0
1121.3
1232.3
1348.7
1484.6
1532.0
1621.6
1750.2
1816.1
1924.7
2077.2
2121.6
2275.5
2329.7
2444.7
2538.9
26180.1
2711.5
2879.6
2920.0
D2O
01-Ha1.38 (t, 12.8)
01-He1.88
02-Ha3.99 (w1/2 = 22)
03-He4.07 (w1/2) = 8)
04-Ha1.75
04-He1.75
05-H2.34 (t, 8.8)
07-H5.97 (d, 2)
09-H3.11 (w1/2 = 22)
11-Ha1.73
11-He1.86
12-Ha1.99*
12-He1.96*
15-Ha1.97
15-Hb2.07
16-Ha1.90*
16-Hb1.76*
17-H2.26 (t, 9.2)
18-Me0.87 (s)
19-Me1.000 (s)
21-Me1.250 (s)
22-H3.54 (dd, 9.9, 2.8)
23-Ha1.51
23-Hb1.49
24-Ha2.49 (m)
25-H3.09 (m)
27-Me1.175 (d, 7.5)
28-Ha4.59 (dq, 6.4, 6.2)
29-Me1.446 (d, 6.4)
C5D5N
01-Ha1.92
01-He2.14
02-Ha4.17 (w1/2 = 22)
03-He4.22 (w1/2 = 8)
04-Ha1.79
04-He2.05
05-H3.01 (dd, 13.0, 3.9)
07-H6.27 (d, 2.2)
09-H3.59 (w1/2 = 22)
11-Ha1.75
11-He1.90
12-Ha2.60*
12-He2.04*
15-Ha1.93*
15-Hb2.21*
16-Ha2.47 (m)*
16-Hb2.05*
17-H2.88 (t, 9.2)
18-Me1.224 (s)
19-Me1.073 (s)
21-Me1.221 (s)
22-H3.86 (db, 9.4)
23-Ha1.68
23-Hb1.7
24-Ha2.58
25-H3.04 (qui, 8)
27-Me1.215 (d, 8.1)
28-Ha4.32 (qui, 6.4)
29-Me1.243 (d, 6.6)

PHYSICAL PROPERTIES

M.P.- °C ;
[α]D20+- ° (c ; MeOH)
IR (KBr) ν max (cm-1)
UV (EtOH) λ max (log ε)() ;

CHROMATOGRAPHY

HPLCNP-HPLC Kromasil column (250 x 4.6 mm i.d.) solvent dichloro-methane-isopropanol-water (125:30:1.5), flow-rate 1 ml/min, ret. 10.2 min (20E: 27.8 min) ; RP-HPLC Spherisorb 5ODS2 column (250 x 4.6 mm i.d.) solvent methanol-water (45:55), flow-rate 0.7 ml/min, ret 11.5 min (20E: 10.9 min)
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationSNOGAN, E. et al. (2007) Phytochemical Analysis 18, 441-450 Search more

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