Halopredone Acetate
Structural Formula Vector Image
Title: Halopredone Acetate
CAS Registry Number: 57781-14-3
CAS Name: (6b,11b)-17,21-Bis(acetyloxy)-2-bromo-6,9-difluoro-11-hydroxypregna-1,4-diene-3,20-dione
Additional Names: 2-bromo-6b,9-difluoro-11b,17,21-trihydroxypregna-1,4-diene-3,20-dione 17,21-diacetate
Trademarks: Haloart (Taiho)
Molecular Formula: C25H29BrF2O7
Molecular Weight: 559.39
Percent Composition: C 53.68%, H 5.23%, Br 14.28%, F 6.79%, O 20.02%
Literature References: Prepn: M. Riva, L. Toscano, DE 2508136; M. Riva et al., US 4226862 (1975, 1980 both to Pierrel); L. Toscano et al., J. Med. Chem. 20, 213 (1977). Physico-chemical and analytical studies: eidem, Arzneim.-Forsch. 27, 1636 (1977). Pharmacology: A. Bianchetti et al., ibid. 2096. Clinical study: B. Palmerio, P. Magnani, ibid. 2404. Toxicological study: L. Casilli et al., ibid. 2102.
Properties: Crystals from benzene, mp 290-292° (dec). [a]D24 -36° (c = 1 in chloroform). uv max (methanol): 246 nm (e 12500).
Melting point: mp 290-292° (dec)
Optical Rotation: [a]D24 -36° (c = 1 in chloroform)
Absorption maximum: uv max (methanol): 246 nm (e 12500)
Therap-Cat: Anti-inflammatory (topical).
Keywords: Glucocorticoid.

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