Peculiar electrophilic heterocyclization of 5-allyl-6-thioxopyrazolo[3,4-d]pyrimidin-4-one

Pyrazolo[3,4- d ]thiazolo[3,2- a ]pyrimidines were formed on halogenation of 5-allyl-6-thioxopyrazolo[3,4- d ]-pyrimidin-4-one, whereas 5-ethylsulfanyl-2-halomethyl[1,3]oxazolo[3,2- c ]pyrazolo[4,3- e ]pyrimidinium tri-halogenides were formed from 5-allyl-6-ethylsulfanyl-1,5-dihydro-4H-pyrazolo[3,4-...

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Bibliographic Details
Published in:Chemistry of heterocyclic compounds (New York, N.Y. 1965) N.Y. 1965), 2013-06, Vol.49 (3), p.491-495
Main Authors: Svaljavyn, O. V., Onysko, M. Yu, Turov, A. V., Vlasenko, Yu. G., Lendel, V. G.
Format: Article
Language:English
Subjects:
Chemistry
Chemistry and Materials Science
Heterocyclic compounds
Organic Chemistry
Pharmacy
Resveratrol
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Summary:Pyrazolo[3,4- d ]thiazolo[3,2- a ]pyrimidines were formed on halogenation of 5-allyl-6-thioxopyrazolo[3,4- d ]-pyrimidin-4-one, whereas 5-ethylsulfanyl-2-halomethyl[1,3]oxazolo[3,2- c ]pyrazolo[4,3- e ]pyrimidinium tri-halogenides were formed from 5-allyl-6-ethylsulfanyl-1,5-dihydro-4H-pyrazolo[3,4- d ]pyrimidin-4-one.
ISSN:0009-3122
1573-8353
DOI:10.1007/s10593-013-1273-6