Mononuclear heterocyclic rearrangements. Part 14. Rearrangement of some Z-arylhydrazones of 3-benzoyl-5-phenylisoxazole to 2-aryl-4-phenacyl-1,2,3-triazoles in dioxane–water
- 1 January 1987
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Perkin Transactions 2
- No. 5,p. 537-540
- https://doi.org/10.1039/p29870000537
Abstract
The kinetics of the title reaction have been measured at various pS+ values. The results show the occurrence of general base catalysis and furnish information about substituent effects on the studied reaction. A reaction mechanism analogous to that proposed for the rearrangement of the arylhydrazones of 3-benzoyl-5-phenyl-1,2,4-oxadiazole is suggested. The reactivity of isoxazole derivatives is much lower than that of 1,2,4-oxadiazole derivatives.Keywords
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