Cucurbitacin IIB

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Names

[ CAS No. ]:
50298-90-3

[ Name ]:
Cucurbitacin IIB

[Synonym ]:
19-Norlanost-5-ene-11,22-dione, 2,3,16,20,25-pentahydroxy-9-methyl-, (2β,3α,9β,10α,16α)-
(1S,2S,4R,9β,16α)-1,2,16,20,25-Pentahydroxy-9,10,14-trimethyl-4,9-cyclo-9,10-secocholest-5-ene-11,22-dione
25-deacetyl hemslecin A
22,23-dihydrocucurbitacin F
Estr-5-en-11-one, 17-[(1R)-1,5-dihydroxy-1,5-dimethyl-2-oxohexyl]-2,3,16-trihydroxy-4,4,9,14-tetramethyl-, (2β,3α,9β,10α,16α,17β)-
23,24-Dihydrocucurbitacin F
dihydrocucurbitacin F
CucurbitacinⅡb
Cucurbitacin Ⅱb

Chemical & Physical Properties

[ Density]:
1.22±0.1 g/cm3

[ Boiling Point ]:
668.4±55.0 °C at 760 mmHg

[ Melting Point ]:
158-159ºC

[ Molecular Formula ]:
C30H48O7

[ Molecular Weight ]:
520.698

[ Flash Point ]:
372.0±28.0 °C

[ Exact Mass ]:
520.340027

[ PSA ]:
135.29000

[ LogP ]:
1.92

[ Vapour Pressure ]:
0.0±4.6 mmHg at 25°C

[ Index of Refraction ]:
1.577

[ Storage condition ]:
2-8°C

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,3,16,20,25-Pentahydroxy-9-methyl-19-norlanosta-5,23-diene-11,22-dione (2beta,3alpha,9beta,10alpha,16alpha,23E)-

DownStream

Related Compounds

  • Cucurbitacin I
  • Cucurbitacin B
  • Cucurbitacin IIa 2-O-glucoside
  • cucurbitacin H
  • cucurbitacin c
  • Cucurbitacin IIA
  • 4-Bromo-3-chloro-5-fluorobenzoyl chloride
  • 4-((Cyclohexylamino)methyl)benzoic acid hydrochloride
  • 1-[(2,4-Dichlorophenyl)methyl]-N-(1,1-dimethylethyl)-2-methyl-1H-indole-3-methanamine
  • 2-Methoxy-6-(pyrazol-1-yl)-benzonitrile
  • 4-Cyclopropyl-5-fluoro-6-methylpyridin-2-amine
  • 1H-3-Benzazepin-7-ol, 8-chloro-2,3,4,5-tetrahydro-5-(3-iodophenyl)-3-methyl-, (S)-
  • (4-Methyl-tetrahydro-furan-2-yl)-methanol
  • N-(1-cyanocyclopentyl)-2-[4-(4-fluorobenzenesulfonyl)-1,4-diazepan-1-yl]acetamide
  • Peliglitazar metabolite M8
  • 4,5,6,7-Tetrahydrobenzo[d]isoxazole-3-carbaldehyde