4–Aminobenzenesulfonamides. 6-Membered Heterocyclic by A. N. Paruta, R. Piekos

By A. N. Paruta, R. Piekos

One in all 3 volumes which jointly hide all pronounced solubility facts for an enormous pharmaceutical classification: the sulfonamides. a data of solubility information is worthy in all pharmaceutical learn. released solubility info for the name compounds were compiled and significantly evaluated, leading to suggested solubility values which practicing scientists might use with self belief. each one quantity contains structural formulae and molecular weight information for the compounds lined, very easily grouped jointly

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Extra info for 4–Aminobenzenesulfonamides. 6-Membered Heterocyclic Substituents and Miscellaneous Systems

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Inst. 1945, 6, J. 23. Nat. ; 4-amino-N-2- Yata, N. ; 1967, 27(1), 37-40. [144-83-2] [7732-18-5] VARIABLES : PREPARED BY: R. 501 g dm" compiler ) . 5 g) was placed in an L- Nothing specified. shaped tube toget'ner with 20 ml of water. The mixt was shaken in a thermostat until equilibrium was attained. The sulfapyridine was then assayed in the supernatant spectro- photometrically at 545 nm on a Beckmann DU spectrophotometer. The results were taken from a calibration graph. ESTIMATED ERROR: Soly: not Temp: ±1°C (authors).

Oesterheld, G. Acta 1942, 25, 753. 6 COMPONENTS : (1) ORIGINAL Benzenesulfonamide, 4-amino-N-4[(aminosulfonyl)phenyl]C H N S 12 13 3°4 2 (2) 2-Propanone ; Gutierrez, F. H. (disulfan) ; [547-52-4] (acetone); MEASUREMENTS: Anales fis. quim. (Madrid) 41, 1945, 537-60. C^H^O; [67-64-1] VARIABLES : PREPARED BY: Temperature EXPERIMENTAL t/°C R. 91 a Q = bp e g Ρ ~^β0 G 100 G + 100 9where ' ρ and Ρ are the weights of solute and solution, resp. c ,Ί . acetone; d ι , , , should be mmol/1 acetone of acetone required to dissolve 1 g of solute; (compiler); f volume 3 (cm ) of acetone required to dissolve 1 g of solute.

Quot was withdrawn, acidified, cooled, and the sulfonamide content was detd colorimetri-| (as Neo-uliron) by the Marshall method E S T I M A T E D E R R O R : Soly precision ±5% (author), (1) using an Authenrieth Temp not specified. colorimeter. 05 pH unit (author). sonograph using a glass electrode. cally modified by Kimmig REFERENCES: 1. Kimmig, J. Arch. 722; Erg. 176, 398. Dermatol. Hyg. 1941, 1938, 24, 17 ORIGINAL COMPONENTS : (1) Acetamide, Ν-[4-[[[4-[(methylamino)suifonyl[phenyl]amino]suifony1]phenyl]cH N S i5 i7 3^5 2» (acetyl Neo-uliron); [71119-14-7] Phosphoric acid, disodium salt; N a 2H P 0 4; [7558-94-4] (2) (3) Phosphoric acid, monopotassium salt; K H 2P 0 4; [7778-77-0] (4) Water; H 20 ; MEASUREMENTS: Krdger-Thiemer, E.

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