Title:  Fluocinonide 
CAS Registry Number:  356-12-7 
CAS Name:  (6a,11b,16a)-21-(Acetyloxy)-6,9-difluoro-11-hydroxy-16,17-[(1-methylethylidene)bis(oxy)]pregna-1,4-diene-3,20-dione 
Additional Names:  6a,9-difluoro-11b,16a,17,21-tetrahydroxypregna-1,4-diene-3,20-dione, cyclic 16,17-acetal with acetone, 21-acetate;  21-acetoxy-6a,9a-difluoro-11b-hydroxy-16a,17a-isopropylidenedioxy-1,4-pregnadiene-3,20-dione;  16a,17a-isopropylidene-6a-fluorotriamcinolone 21-acetate;  fluocinolide (obsolete);  fluocinolide acetate (obsolete);  fluocinolone acetonide acetate 
Trademarks:  Biscosal (Ohta);  Dermaplus (Ripari-Gero);  Lidex (Syntex);  Metosyn (Zeneca);  Synalate (rescinded) (Syntex);  Straderm (ITA);  Topsym (Grñenthal);  Topsymin (Grñenthal);  Topsyne (Cassenne);  Topsyn (Syntex) 
Molecular Formula:  C26H32F2O7 
Molecular Weight:  494.52 
Percent Composition:  C 63.15%, H 6.52%, F 7.68%, O 22.65% 
Literature References:  Prepn:  GB 916996 (1963 to Olin Mathieson), C.A. 59, 1716b (1963); H. J. Ringold, G. Rosenkranz, US 3124571; H. J. Ringold et al., US 3126375 (both 1964 to Syntex); J. Fried, US 3197469 (1965 to Pharm. Res. Prod.).  NMR:  A. D. Cross, P. W. Landis, J. Am. Chem. Soc. 86, 4005 (1964). 
Properties:  Crystals from methanol.  mp 308-311°.  [a]D +83° (chloroform).  uv max:  237 nm (log e 4.18). 
Melting point:  mp 308-311° 
Optical Rotation:  [a]D +83° (chloroform) 
Absorption maximum:  uv max:  237 nm (log e 4.18) 
Therap-Cat:  Anti-inflammatory; glucocorticoid. 
Keywords:  Glucocorticoid.   |