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Synthesis of derivatives of 5-amino-4-acyl-1,2,3-triazole, 8-azapurine, and 1,2,3-triazolo[4,5-b]pyridin-7-one using N,N-acetals of acylketenes and tosylazide

โœ Scribed by M. F. Gordeev; A. V. Komkov; V. S. Bogdanov; V. A. Dorokhov


Book ID
112449490
Publisher
Springer
Year
1990
Tongue
English
Weight
534 KB
Volume
39
Category
Article
ISSN
1573-9171

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The N-acylating and N-alkoxycarbonylation ability of the N-substituted 1,2,3-triazolo[4,5-c]pyridines 1a-e have been investigated. The alkoxycarbonyl triazolopyridine derivatives (1c-e) were readily prepared in 81-96 % yield (the corresponding tetrafluoroborate > 95 %). Triazolo[4,5-c]pyridine (1) h