Selenium-containing heterocycles: Part 2. Reactions of 3-amino-4,6-dimethyl-selenolo[2,3- b ]pyridine-2-carbonitrile and related fused tetracyclic systems
Free accessResearch articleFirst published online January, 2009
Selenium-containing heterocycles: Part 2. Reactions of 3-amino-4,6-dimethyl-selenolo[2,3- b ]pyridine-2-carbonitrile and related fused tetracyclic systems
A novel series of pyrido[3’,2’:4,5]selenolo[3,2-d]pyrimidine, 7,9-dimethylpyrido [3’,2’:4,5]selenolo[3,2-d]pyrimidine-2,4-(1H,3H)-dithione, 7,9-dimethylpyrido[3’,2’:4,5]selenolo[2,3-e]tetrazolo[1,5-c]pyrimidine-6(5H)-thione, 9,11-dimethyl-pyrido[3’,2’:4,5]selenolo[2,3-e][1,2,4]triazolo[1,5-c]pyrimidine, 7,9-dimethylpyrido[3’,2’:4,5]selenolo[2,3-e]imidazo[1,2-c] pyrimidine and 10,12-dimethylpyrido[3″,2″:4’,5']selenolo[3’,2’:4,5]pyrimido[1,6-a]pyrimidine derivatives were prepared from 3-amino-4,6-dimethylselenolo[2,3-b]pyridine-2-carbonitrile.
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