618860-58-5

618860-58-5 structure
618860-58-5 structure
  • Name: Vernolide B
  • Chemical Name: (1R,2E,8S,10R,11S)-6-(Acetoxymethyl)-11-methoxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.03,7]tetradeca-2,6-dien-8-yl (2E)-2-methyl-2-butenoate
  • CAS Number: 618860-58-5
  • Molecular Formula: C23H30O8
  • Molecular Weight: 434.48
  • Catalog: Natural product Sesquiter
  • Create Date: 2018-07-07 14:59:55
  • Modify Date: 2024-07-05 20:52:17
  • Vernolide-B has cytoxicity (ED50s: 3.78, 5.88, 6.42 μg/mL for KB, NCI-661, and HeLa cells respectively). Vernolide B is sesquiterpene lactone that can be isolated from Vernonia cinerea[1].

Name (1R,2E,8S,10R,11S)-6-(Acetoxymethyl)-11-methoxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.03,7]tetradeca-2,6-dien-8-yl (2E)-2-methyl-2-butenoate
Synonyms 2-Butenoic acid, 2-methyl-, (4S,6R,7S,10R,11E)-3-[(acetyloxy)methyl]-2,4,5,6,7,8,9,10-octahydro-7-methoxy-6,10-dimethyl-2-oxo-7,10-epoxycyclodeca[b]furan-4-yl ester, (2E)-
(1R,2E,8S,10R,11S)-6-(Acetoxymethyl)-11-methoxy-1,10-dimethyl-5-oxo-4,14-dioxatricyclo[9.2.1.03,7]tetradeca-2,6-dien-8-yl (2E)-2-methyl-2-butenoate
Description Vernolide-B has cytoxicity (ED50s: 3.78, 5.88, 6.42 μg/mL for KB, NCI-661, and HeLa cells respectively). Vernolide B is sesquiterpene lactone that can be isolated from Vernonia cinerea[1].
Related Catalog
References

[1]. Kuo YH, et al. Two novel sesquiterpene lactones, cytotoxic vernolide-A and -B, from Vernonia cinerea. Chem Pharm Bull (Tokyo). 2003 Apr;51(4):425-6.  

Density 1.2±0.1 g/cm3
Boiling Point 568.4±50.0 °C at 760 mmHg
Molecular Formula C23H30O8
Molecular Weight 434.48
Flash Point 244.6±30.2 °C
Exact Mass 434.194061
LogP 3.47
Vapour Pressure 0.0±1.6 mmHg at 25°C
Index of Refraction 1.539
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