Ontology type: schema:ScholarlyArticle
2008-09
AUTHORSA. V. Bentya, R. I. Vas’kevich, A. V. Bol’but, M. V. Vovk, V. I. Staninets, A. V. Turov, E. B. Rusanov
ABSTRACT6-Allylsulfanyl-1-arylpyrazolo[3,4-d]pyrimidin-4(5H)-ones react with iodine and sulfuric acid to give angular pyrazolothiazolopyrimidine derivatives. The reaction of 6-(prop-2-yn-1-ylsulfanyl)-1-(4-tolyl)-pyrazolo[3,4-d]pyrimidin-4(5H)-one with sulfuric acid gives angularly fused pyrazolo[4,3-e][1,3]thiazolo-[3,2-a]pyrimidin-4-one, whereas in the reaction with sodium methoxide linearly fused pyrazolo[3,4-d][1,3]-thiazolo[3,2-a]pyrimidin-4-one was formed. Linearly fused pyrazolo[3′,4′:4,5]pyrimido[2,1-b][1,3]thiazole derivatives were also obtained by reaction of 1-aryl-6-(3-phenylprop-2-en-1-ylsulfanyl)pyrazolo[3,4-d]pyrimidin-4(5H)-ones with sulfuric acid.
PAGES1362-1368
http://scigraph.springernature.com/pub.10.1134/s1070428008090194
DOIhttp://dx.doi.org/10.1134/s1070428008090194
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