- PII
- 10.31857/S2686953522600805-1
- DOI
- 10.31857/S2686953522600805
- Publication type
- Status
- Published
- Authors
- Volume/ Edition
- Volume 512 / Issue number 1
- Pages
- 83-87
- Abstract
- The methylation and the amination of 4H-[1,2,3]triazolo[4,5-c][1,2,5]oxadiazole salts (K+, Ag+, Et3NH+, DBUH+) were studied for the first time. It is shown that two methylated products are formed in the reaction. In the case of K- and Et3N-salts, 4- and 5-methylated isomers are formed in equal proportions, and in the case of Ag- and DBU-salts, the main product is the 4-isomer. It was found that the main product of amination of both 4H-[1,2,3]triazolo[4,5-c][1,2,5]oxadiazole K- and DBU-salts with O-(p-tolylsulfonyl)hydroxylamine is 4-azido-3-amino-1,2,5-oxadiazole. The mechanism of its formation as a result of rearrangement of 5-amino-[1,2,3]triazolo[4,5-c][1,2,5]oxadiazole is proposed.
- Keywords
- 1,2,3-триазолы 1,2,5-оксадиазолы аминирование метилирование
- Date of publication
- 18.09.2025
- Year of publication
- 2025
- Number of purchasers
- 0
- Views
- 4
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