中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
(5CI)-噻唑并[4,5-c]吡啶-2-醇 | 3H-thiazolo[4,5-c]pyridin-2-one | 857970-39-9 | C6H4N2OS | 152.177 |
2-氯噻唑并[4,5-c]吡啶 | 2-chlorothiazolo[4,5-c]pyridine | 884860-63-3 | C6H3ClN2S | 170.622 |
—— | 2-hydrazino-thiazolo[4,5-c]pyridine | 65128-68-9 | C6H6N4S | 166.206 |
2-(甲基硫代)噻唑并[4,5-c]吡啶 | 2-(methylthio)thiazolo[4,5-c]pyridine | 65128-67-8 | C7H6N2S2 | 182.27 |
—— | 2-azido-thiazolo[4,5-c]pyridine | 65128-64-5 | C6H3N5S | 177.189 |
Derivatives of the thiazolo[4,5-b]pyrazine system are reported including those with 2-phenyl substituents or fused benzene rings (as in thiazolo[4,5-b]quinoxalines) together with strongly basic N,N-dimethylaminoethylthio or N,N-dimethylaminopropylthio side chains. Series of thiazolo[4,5-c]- pyridines, thiazolo[5,4-b]pyridines and quinoxalines are also described. A new process for the preparation of 3-N,N-dimethylaminopropylthio derivatives of heterocycles by reaction of the mercapto compound with 3-chloro-N,N-dimethylpropylamine in ethanolic ammonia has been shown to give more reliable and improved results. Of the compounds examined for amplification of the activity of phleomycin, N,N-dimethyl- 3-(2-methylthiazolo[4,5-pyrazin-6-ylthio)propylamine and 3-[3-(3-N,N-dimethylaminopropylthio)- quinoxalin-2-ylthiol-N,N-dimethylpropylamine were the best, and showed four star activity at 1 mM and 0.5 mM respectively. A 2-phenyl substituent in, or a benzene ring fused to, thiazolo[4,5-b]- pyrazines did not increase amplification. The 2-substituted thiazolo[4,5-c]pyridines showed activity comparable to that of the 2-substituted thiazolo[4,5-blpyrazines whereas that of the thiazolo[5,4-b]pyrazines was lower.