21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione

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Names

[ CAS No. ]:
37413-91-5

[ Name ]:
21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione

[Synonym ]:
21-(Acetyloxy)pregna-1,4,9(11),16-tetraene-3,20-dione
EINECS 253-497-3
16-tetraene-3,20-dione 21-acetate
21-hydroxypregna-1,4,9(11)
21-acetoxy-pregna-1,4,9(11),16-tetraene-3,20-dione
3,20-Dioxopregna-1,4,9(11),16-tetraen-21-yl acetate
21-Acetoxy-pregna-1,4,9(11),16-tetraen-3,20-dion
Pregna-1,4,9(11),16-tetraene-3,20-dione, 21-(acetyloxy)-
21-hydroxy-pregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate
2-((8S,10S,13S,14S)-10,13-dimethyl-3-oxo-6,7,8,10,12,13,14,15-octahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl acetate
21-Acetoxypregna-1,4,9(11),16-tetraene-3,20-dione

Chemical & Physical Properties

[ Density]:
1.2±0.1 g/cm3

[ Boiling Point ]:
534.6±50.0 °C at 760 mmHg

[ Molecular Formula ]:
C23H26O4

[ Molecular Weight ]:
366.450

[ Flash Point ]:
233.0±30.2 °C

[ Exact Mass ]:
366.183105

[ PSA ]:
60.44000

[ LogP ]:
3.48

[ Vapour Pressure ]:
0.0±1.4 mmHg at 25°C

[ Index of Refraction ]:
1.585

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2,4,6-Trimethylpyridine
  • prednisolone
  • 21-Hydroxypregna-4,9(11),16-triene-3,20-dione 21-acetate

DownStream

  • 21-o-acetyl dexamethasone 9,11-epoxide

Related Compounds

  • 6beta-fluoro-21-hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate
  • (6α)-21-(Acetyloxy)-6-fluoropregna-1,4,9(11),16-tetraene-3,20-dione
  • 2-bromo-6beta-fluoro-21-hydroxypregna-1,4,9(11),16-tetraene-3,20-dione 21-acetate
  • DESOXY-TETRAENE(5-ST)
  • 9-Fluoro-11,16,17,21-tetrahydroxypregna-1,4-diene-3,20-dione 21-acetate
  • 21-hydroxy-2'-methyl-16-β-5'H-pregna-1,4,9(11)-trieno[17,16-d]oxazole-3,20-dione 21-acetate