Bendroflumethiazide
Title: Bendroflumethiazide
CAS Registry Number: 73-48-3
CAS Name: 3,4-Dihydro-3-(phenylmethyl)-6-(trifluoromethyl)-2H-1,2,4-benzothiadiazine-7-sulfonamide 1,1-dioxide
Additional Names: 3-benzyl-6-trifluoromethyl-3,4-dihydro-7-sulfamoyl-2H-1,2,4-benzothiadiazine 1,1-dioxide; 3-benzyl-3,4-dihydro-7-sulfamyl-6-trifluoromethyl-1,2,4-benzothiadiazine 1,1-dioxide; bendrofluazide; benzydroflumethiazide; benzylhydroflumethiazide
Trademarks: Aprinox (Sovereign); Berkozide (APS); Centyl (Leo Pharm); Naturetin (BMS); Neo-Naclex (Goldshield); Salures (Pfizer); Sinesalin (MIT Gesundheit)
Molecular Formula: C15H14F3N3O4S2
Molecular Weight: 421.41
Percent Composition: C 42.75%, H 3.35%, F 13.52%, N 9.97%, O 15.19%, S 15.22%
Literature References: Prepn: C. T. Holdrege et al., J. Am. Chem. Soc. 81, 4807 (1959); F. Lund, W. O. Godtfredsen, GB 863474; eidem, US 3392168 (1961, 1968 both to Lövens Kemiske Fabrik). Comprehensive description: K. Florey, F. M. Russo-Alesi, Anal. Profiles Drug Subs. 5, 1-19 (1976).
Properties: Crystals from dioxane, mp 224.5-225.5° (U.S. patent). Also reported as mp 221-223° (Holdrege). uv max (methanol): 208, 273, 326 nm (E1%1cm 745, 565, 96). Insol in water, chloroform, benzene, ether. Sol in acetone, alcohol.
Melting point: mp 224.5-225.5° (U.S. patent); mp 221-223° (Holdrege)
Absorption maximum: uv max (methanol): 208, 273, 326 nm (E1%1cm 745, 565, 96)
Therap-Cat: Diuretic, antihypertensive.
Keywords: Antihypertensive; Thiazides and Analogs; Diuretic; Thiazides and Analogs.

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