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20-HYDROXYECDYSONE 20,22-(BUT-2-YLIDENE) ACETAL

Year of first isolation: 2020
Formula:C31H50O7
Molecular weight:534
Occurence in plants:
Serratula coronata [Asteraceae] » Images of Serratula coronata Wikipedia: Serratula coronata [Asteraceae]
Occurence in animals:
 
20-HYDROXYECDYSONE 20,22-(BUT-2-YLIDENE) ACETAL

STRUCTURE DESCRIPTORS

Isomeric SMILES
[ PubChem: search | XML ]
[ ChemSpider: search ]
C[C@@]12[C@@](C(C=C3C2CC[C@@]4(C)[C@@]3(O)CC[C@]4([H])[C@@]5(C)OC(C)(CC)O[C@@H]5CCC(C)(O)C)=O)([H])C[C@@H](O)[C@@H](O)C1 » JSMol: View in 3D
IUPAC Name(2S,3R,5R,10R,13R,14S,17S)-17-((4R,5R)-2-ethyl-5-(3-hydroxy-3-methylbutyl)-2,4-dimethyl-1,3-dioxolan-4-yl)-2,3,14-trihydroxy-10,13-dimethyl-1,2,3,4,5,9,10,11,12,13,14,15,16,17-tetradecahydro-6H-cyclopenta[a]phenanthren-6-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
DKVPGOCNUYCCFL-GLOWIFEQSA-N
InChIInChI=1S/C31H50O7/c1-8-29(6)37-25(11-12-26(2,3)35)30(7,38-29)24-10-14-31(36)19-15-21(32)20-16-22(33)23(34)17-27(20,4)18(19)9-13-28(24,31)5/h15,18,20,22-25,33-36H,8-14,16-17H2,1-7H3/t18?,20-,22+,23-,24-,25+,27+,28+,29?,30+,31+/m0/s1

MASS SPECTRUM

EI-MS m/z534.74

CARBON NMR

PROTON NMR

CD3OD
0137.43
0268.73
0368.53
0432.86
0551.78
06206.39
07122.12
08167.61
0935.19
1039.23
1121.54
1232.39
13*
1485.50
1531.75
1622.47
1750.69
1817.66
1924.43
2085.32
2122.91
2283.03
2324.74
2442.23
2571.11
2629.07
2729.44
28 O-C-O109.92
29 OCCH324.11
30 CCH2CH336.12 34.50
31 CCH2CH39.42 8.98
DMSO-d6
0136.57
0266.72
0366.54
0431.48
0550.02
06202.87
07120.50
08164.57
0933.15
1037.53
1120.01
1230.58
1346.67
1483.61
1530.15
1620.92
1748.80
1816.54
1923.80
2082.95
2121.98
2281.14
2323.14
2440.99
2568.40
2628.91
2729.64
28 O-C-O107.78
29 OCCH323.63
30 CCH2CH336.12 34.50
31 CCH2CH39.42 8.98
CD3OD
01-Ha 
01-He 
02-Ha 
03-He 
04-Ha 
04-He 
05-H 
07-H 
09-H 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me 
19-Me 
20-H 
21-Me 
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me 
27-Me 
C5D5N
01-Ha 
01-He 
02-Ha 
03-He 
04-Ha 
04-He 
05-H 
07-H 
09-H 
11-Ha 
11-He 
12-Ha 
12-He 
14-H 
15-Ha 
15-Hb 
16-Ha 
16-Hb 
17-H 
18-Me 
19-Me 
20-H 
21-Me 
22-H 
23-Ha 
23-Hb 
24-Ha 
24-Hb 
25-H 
26-Me 
27-Me 

PHYSICAL PROPERTIES

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

CHROMATOGRAPHY

GLC
HPLC
HPTLC
TLC
LCIsolated from the low-polar (chloroform) fraction

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationRADIMICH, A.I. et al. (2020) Journal of Pharmaceuticals Quality Assurance 4, 31-38 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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