Synthesis and Antibacterial Activity of Some New Ethyl Thionicotinates, Thieno[2,3-<i>b</i>]pyridines, Pyrido[3′,2′:4,5] thieno[3,2-<i>d</i>]pyrimidines, and Pyrido[3′,2′:4,5]thieno[3,2-<i>d</i>][1,2,3]triazines Containing Sulfonamide Moieties
作者:Mohamed A. M. Gad-Elkareem、Abu-Bakr A. A. M. El-Adasy
DOI:10.1080/10426500902800253
日期:2010.1.29
corresponding ethyl 2-cyano-3-[(N, N-dimethylamino)methylene]amino}thieno[2,3-b]pyridine-5-carboxylate derivatives 9a,b. Reaction of compounds 9a,b with the sulfadiazine (10) gave ethyl 4-[4-(amino- sulfonyl)phenyl]amino}pyrido[3′,2′:4,5]thieno[3,2-d]pyrimidine-8-carboxylate derivatives 12a,b. Antibacterial activity was screened for some of the newly synthesized compounds. Supplemental materials are available
5-氰基-6-巯基烟酸乙酯衍生物 1a,b 与 N-[4-(氨基磺酰基) 苯基]-2-氯乙酰胺衍生物 2a,b 反应得到 6-[(2-[4-(氨基磺酰基)] 乙酯苯基]氨基}-2-氧乙基)硫代]烟酸酯衍生物3a-d。3a–d 环化得到相应的乙基 3-amino-2-([4-(aminosulfonyl)phenyl]amino}carbonylthieno[2,3-b]pyridine-5-carboxylate 4a–d. 乙基 3-[4 -(amino-sulfonyl)phenyl]-4-oxopyrido [3',2':4,5]thieno[3,2-d]pyrimidine-8-carboxylate 衍生物 5a–d 和 3-[4-(amino-磺酰基)苯基]-4-氧代吡啶并[3',2':4,5]噻吩并[3,2-d][1,2,3]-三嗪-8-羧酸衍生物6a-d由4a制备-d.