CAS:4571-51-1|(6a,9b,11b,16a)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione

Catalogue Number:A165345
Chemical Name:(6a,9b,11b,16a)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione
Synonyms:9,11β-Epoxy-6α-fluoro-17,21-dihydroxy-16α-methyl-9β-pregna-1,4-diene-3,20-dione 21-Acetate; 9,11-Epoxy-9H-cyclopenta[a]phenanthrene, Pregna-1,4-diene-3,20-dione deriv.
CAS Number:4571-51-1
Molecular Formula:C₂₄H₂₉FO₆
Appearance:White to Off-White Solid
Melting Point:>175°C (dec.)
Molecular Weight:432.48
Storage:-20°C, Inert atmosphere
Solubility:Chloroform (Slightly), DMSO (Slightly)
Category:Building Blocks; Steroids; Pharmaceutical/API Drug Impurities/Metabolites;
Applications:(6a,9b,11b,16a)-21-(Acetyloxy)-9,11-epoxy-6-fluoro-17-hydroxy-16-methylpregna-1,4-diene-3,20-dione is an intermediate in the synthesis of Paramethasone Acetate (P191845), a derivative of Dexamethasone (D298800), a potent synthetic member of the glucocorticoid class of steroid drugs that has anti-inflammatory and immunosuppressant properties.
References:Wershil, B.K., et al.: Int. Arch. Allergy Immunol., 107, 323 (1995), Riccardi, C., et al.: Cell Death Diff., 6, 1182 (1999), Llanos, S.L. and Roldan, A.: Bio Cell, 23, 29 (1999)
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