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Reactions of β-Carbonyl-Substituted 4H-chromenes and 1H-benzo[f]Chromenes with 5-aminopyrazoles

A method for the preparation of pyrazolo[1,5-a]pyrimidines containing a 2-hydroxybenzyl or (2-hydroxynaphthalen-1-yl)methyl group in position 6 based on the reaction of β-carbonyl-substituted 4H-chromenes and their benzo analogs with 5-aminopyrazoles is proposed. A new type of ring-chain tautomerism...

Disgrifiad llawn

Wedi'i Gadw mewn:
Manylion Llyfryddiaeth
Prif Awduron: Demidov, O. P., Демидов, О. П.
Fformat: Статья
Iaith:English
Cyhoeddwyd: Springer 2021
Pynciau:
Mynediad Ar-lein:https://dspace.ncfu.ru/handle/20.500.12258/15848
Tagiau: Ychwanegu Tag
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