| Title:  Sulfadicramide CAS Registry Number:  115-68-4 CAS Name:  N-[(4-Aminophenyl)sulfonyl]-3-methyl-2-butenamide Additional Names:  3-methyl-N-sulfanilylcrotonamide;  N1-senecioylsulfanilamide;  N-sulfanilylseneciamide;  N1-dimethylacroylsulfanilamide;  N-sulfanilyl-b,b-dimethylacrylamide Trademarks:  Irgamide (Dispersa) Molecular Formula:  C11H14N2O3S Molecular Weight:  254.31 Percent Composition:  C 51.95%, H 5.55%, N 11.02%, O 18.87%, S 12.61% Literature References:  Prepd from b,b-dimethylacrylamide by treatment with sodamide and p-nitrobenzenesulfonyl chloride; the resulting 4-nitro-N-(b,b-dimethylacrylyl)benzenesulfonamide is reduced with Fe and dil AcOH:  Martin, Häfliger, US 2417005 (1947), cf. US 2383874 (1945). Properties:  Crystals from alc.  mp 184-185°.  Slightly sol in water, ether.  Freely sol in alcohol, acetone.  For the prepn of solns the water-soluble sodium salt is marketed.  A 20% aq soln of the sodium salt has a pH of 8.3. Melting point:  mp 184-185° Therap-Cat:  Antibacterial. Keywords:  Antibacterial (Synthetic); Sulfonamides.  |