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5-DEOXYKALADASTERONE 20,22-ACETONIDE

Year of first isolation: 2001
Formula:C30H46O6
Molecular weight:502
Occurence in plants:
Rhaponticum uniflorum [Asteraceae] » Images of Rhaponticum uniflorum Wikipedia: Rhaponticum uniflorum [Asteraceae]
Occurence in animals:
 
5-DEOXYKALADASTERONE 20,22-ACETONIDE

STRUCTURE DESCRIPTORS

Canonical SMILESCC(C)CCC1C(OC(O1)(C)C)(C)C2CCC3(C2(CC=C4C3=CC(=O)C5C4(CC(C(C5)O)O)C)C)O
Isomeric SMILES
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[ ChemSpider: search ]
C1[C@]2([C@@H](C[C@H]([C@H]1O)O)C(=O)C=C1C2=CC[C@]2([C@]1(CC[C@@H]2[C@]1(C)[C@@H](CCC(C)C)OC(O1)(C)C)O)C)C » JSMol: View in 3D
IUPAC Name(2S,3R,5R,10S,13R,14S,17S)-2,3,14-trihydroxy-10,13-dimethyl-17-[(4R,5R)-2,2,4-trimethyl-5-(3-methylbutyl)-1,3-dioxolan-4-yl]-2,3,4,5,12,15,16,17-octahydro-1H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID10918141
InChiKey
[ ChemIDPlus: search ]
SAOBRQOPFYGWSJ-ILGNCVIMSA-N
InChIInChI=1S/C30H46O6/c1-17(2)8-9-25-29(7,36-26(3,4)35-25)24-11-13-30(34)19-14-21(31)20-15-22(32)23(33)16-27(20,5)18(19)10-12-28(24,30)6/h10,14,17,20,22-25,32-34H,8-9,11-13,15-16H2,1-7H3/t20-,22+,23-,24-,25+,27+,28+,29+,30+/m0/s1

MASS SPECTRUM

FAB-MS525 [M+Na]+, 509 [M+Li]+
EI-MS m/z (relative intensity %)487 [M-CH3]+, 469 [M-CH3-H2O]+, 444, 426, 402, 379, 361, 343, 325, 326, 317, 301, 299, 211, 185
CI-MS (NH3) m/z

CARBON NMR

PROTON NMR

CDCl3
0143.19
0268.05
0367.81
0437.22
0551.07
06203.18
07119.24
08154.24
09141.14
1037.13
11132.01
1238.31
1347.36
1484.93
1531.22
1622.35
1750.01
1817.74
1927.08
2083.16
2122.11
2282.23
2327.48
2437.62
2528.70
2622.76
2722.88
Me29.39, 29.68
O-C-O107.22
CD3OD
0138.0
0268.9
0368.9
0432.7
0551.4
06204.2
07118.3
08152.1
09142.7
1038.3
11131.9
1239.2
1348.1
1485.4
1531.7
1623.4
1750.3
1817.9
1925.1
2087.3
2122.7
2284.6
2326.7
2437.4
2528.9
2623.7
2724.7
Me27.9, 29.4
O-C-O108.5
CD3OD
01-Ha 
01-He 
02-Ha3.69 (m)
03-He3.76 (m)
04-Ha 
04-He 
05-H2.40 (m)
07-H5.66 (br, s)
11-H6.22 (dd, 6.4, 2)
12-Ha2.73 (m, 2)
12-He2.43 (m, 6.5)
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H2.45 (m)
18-Me0.81 (s)
19-Me1.06 (s)
21-Me1.16 (s)
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me0.88 (d, 6.7)
27-Me0.89 (d, 6.7)
Me-ketal1.28 (s), 1.35 (s)

PHYSICAL PROPERTIES

M.P.235-237 °C ;
[α]D20+ 54.8 ? ° (c 0.8 ; MeOH)
IR (KBr) ν max (cm-1)3400, 1665
UV (MeOH) λ max (log ε)287 (-) ;

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLCN o t e: The same compound was later described under the name DACRYHAINANSTERONE 20,22-ACETONIDE by Olennikov in 2018 (see ref.)

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationZHANG, Y.-H. et al. (2001) Pharmazie 56(10), 828-829 Search more
GeneralCHENG, J.K. et al. (2002) Gaodeng Xuexiao Huaxue Xuebao 23(11), 2084-2088 Search more
GeneralOLENNIKOV, D.N. et al. (2018) Chem. Nat. Compd. 54 (4), 798-800 Search more

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© 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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