ChemInform Abstract: Peculiar Electrophilic Heterocyclization of 5‐Allyl‐6‐thioxopyrazolo[3,4‐d]pyrimidin‐4‐one.

Abstract

Peculiar Electrophilic Heterocyclization of 5-Allyl-6-thioxopyrazolo[3,4-d]pyrimidin-4-one. -Depending on the substituent on the exocyclic sulfur, 5-allyl-6-thioxopyrazolo[3,4-d]pyrimidin-4-one (I) can be anellated on halogenation as either thiazoline or oxazoline ring. -(SVALJAVYN, O. V.; ONYSKO*, M. Y.; TUROV, A. V.; VLASENKO, Y. G.; LENDEL, V. G.; Chem. Heterocycl. Compd. (N. Y., NY, U. S.) 49 (2013) 3, 491-495, http://dx.