5-Carbohydrazide and 5-carbonylazide of pyrazolo[3,4-b]pyridines as reactive intermediates in the synthesis of various heterocyclic derivatives

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http://hdl.handle.net/10138/324813

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Aly , A A , El-Emary , T , Mourad , A-F E , Alyan , Z K , Bräse , S & Nieger , M 2019 , ' 5-Carbohydrazide and 5-carbonylazide of pyrazolo[3,4-b]pyridines as reactive intermediates in the synthesis of various heterocyclic derivatives ' , Journal of Chemical Research (Print Edition) , vol. 43 , no. 7-8 , pp. 219-229 . https://doi.org/10.1177/1747519819861625

Title: 5-Carbohydrazide and 5-carbonylazide of pyrazolo[3,4-b]pyridines as reactive intermediates in the synthesis of various heterocyclic derivatives
Author: Aly, Ashraf A.; El-Emary, Talaat; Mourad, Aboul-Fetouh E.; Alyan, Zainab Khallaf; Bräse, Stefan; Nieger, Martin
Contributor: University of Helsinki, Department of Chemistry
Date: 2019
Language: eng
Number of pages: 11
Belongs to series: Journal of Chemical Research (Print Edition)
ISSN: 1747-5198
URI: http://hdl.handle.net/10138/324813
Abstract: 5-Carbohydrazides and 5-carbonylazides of pyrazolo[3,4-b]pyridines are used to synthesize new heterocyclic derivatives. Some unexpected behaviors are observed in the reactions of the above two species. The structures of the obtained compounds are proved by spectroscopic studies together with elemental and X-ray structure analyses.
Subject: acetylenedicarboxylate
active methylenes
addition
pyrazolo[3,4-b]pyridine-5-carbohydrazides
pyrazolo[3,4-b]-pyridine-5-carbonylazides
thiazole
X-ray
PYRAZOLOPYRIDINE DERIVATIVES
BIOLOGICAL EVALUATION
POTENT
INHIBITORS
SERIES
116 Chemical sciences
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