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OXYCALONYSTERONE B

Year of first isolation: 2023
Formula:C27H38O7
Molecular weight:474
Occurence in plants:
Cyanotis arachnoidea [Commelinaceae] » Images of Cyanotis arachnoidea Wikipedia: Cyanotis arachnoidea [Commelinaceae]
Occurence in animals:
 
OXYCALONYSTERONE B

STRUCTURE DESCRIPTORS

Canonical SMILES 
Isomeric SMILES
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C[C@@]12C(C[C@@H](O)[C@@H](O)C1)=C(O)C(C3=C(CC[C@]4([H])[C@](C)(C(CCC(C)(O)C)=O)O)[C@]4(C)CC=C32)=O » JSMol: View in 3D
IUPAC Name(2S,3R,10R,13R,17S)-17-((R)-2,6-dihydroxy-6-methyl-3-oxoheptan-2-yl)-2,3,6-trihydroxy-10,13-dimethyl-1,2,3,4,10,12,13,15,16,17-decahydro-7H-cyclopenta[a]phenanthren-7-one
CAS-RN 
PubChem CID 
InChiKey
[ ChemIDPlus: search ]
QNPLHBQSPYAHLZ-RBRSYRCZSA-N
InChIInChI=1S/C27H38O7/c1-24(2,33)10-9-20(30)27(5,34)19-7-6-14-21-15(8-11-25(14,19)3)26(4)13-18(29)17(28)12-16(26)22(31)23(21)32/h8,17-19,28-29,31,33-34H,6-7,9-13H2,1-5H3/t17-,18+,19+,25+,26-,27-/m1/s1

MASS SPECTRUM

HRESIMS (positive ion mode) m/z 475.26394 [M+H]+, calculated for C27H39O7+ 475.26903; 497.25116 [M+Na]+, calculated for C27H38O7Na+ 497.25097;

CARBON NMR

PROTON NMR

DMSO-d6
0141.5
0268.1
0372.0
0426.8
05132.8
06142.6
07179.4
08122.7
09163.9
1040.8
11125.7
1235.8
1345.9
14141.0
1523.7
1631.7
1756.1
1817.3
1927.1
2079.8
2124.6
22217.3
2332.1
2437.0
2568.1
2629.3
2729.34
DMSO-d6
01-Hɑ1.25
01-Hβ2.17
02-Hɑ3.83
03-Hɑ3.33
04-Hɑ2.91
04-Hβ2.37
05-H-
07-H-
09-H-
11-Hɑ-
11-Hβ6.72
12-Hɑ1.44
12-Hβ2.16
14-Hβ-
15-Hɑ~ 2.55
15-Hβ1~ 2.55
16-Hɑ1.91
16-Hβ2.62
17-Hɑ2.06
18-Me0.92
19-Me1.40
20-H-
21-Me1.31
22-H-
23-H2.71, 2.71
24-H~ 1.51, ~ 1.51
25-H-
26-Me1.07
27-Me1.07
HO-024.62
HO-034.92
HO-068.07
HO-205.02
HO-254.19

PHYSICAL PROPERTIES

M.P.— °C ;
[α]D25+54.4° (c 0.1; MeOH)
IR (KBr) ν max (cm-1)
UV (MeOH) λ max (log ε)245 nm (-) ;

CHROMATOGRAPHY

HPLC
GLC
HPTLC
TLC

BIOLOGICAL ACTIVITIES

 

REFERENCES

First isolationTÓTH G., SANTA-MARIA A.R. et al. (2023) J. Nat. Prod. 86, 4, 1074–1080, doi.org/10.1021/acs.jnatprod.2c00948 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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