Fused pyrazolopyrimidines II. Thieno[3″,2″:5′,6′]pyrido[4′,3′:3,4]pyrazolo[1,5-a]pyrimidines |
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| Authors: | Misbahul A Khan Alice M C Rolim |
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| Institution: | 1. Se??o de Quimica, Instituto Militar de Engenharia, Praia Vermelha, 22290, Rio de Janeiro, RJ, Brasil
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| Abstract: | The reaction of 3-amino-1H-pyrazolo3,4-d]thieno2,3-b]pyridine with 1,3-dicarbonyl compounds and with ethoxy-methylene reagents gives the title ring system and its derivatives. The electrophilic substitutions occur in the thiophene ring of the system. |
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