Thermolysis of substituted 1-acetoxybenzotriazoles. Carbon-to-oxygen migration of an alkyl group
โ Scribed by Leonard, Nelson J.; Golankiewicz, Krzysztof
- Book ID
- 125960324
- Publisher
- American Chemical Society
- Year
- 1969
- Tongue
- English
- Weight
- 997 KB
- Volume
- 34
- Category
- Article
- ISSN
- 0022-3263
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๐ SIMILAR VOLUMES
\_\_\_\_; Novel 1,2,4-triazine hydroxamic acid esters and alkylated 2,3-dihydro-1, 2,4triazine N-oxides were prepared by rearrangement and selective alkylations of 3-alkoxy and 3-alkylamino-1, 2,4-triazine N-oxides. In light of the current interests and the extensive research on pyrimidine bases, we
## Anions generated from trialkylsilyl ethers of methyl ketoximes (1) undergo anionic rearrangement with 1,4 migration of the silyl group. After protonation, the resulting a-trialkylsilyl ketoximes (2), suffer thermal rearrangement with 1,4 migration of the silyl group from carbon to oxygen.
The relative carbenlc migratory abilltles of cyclopropyl, P,B-dunethylvinyl, methyl, ethyl and Isopropyl groups have been determlned. ## Although homocon3ugatlve particlpatlon of cyclopropyl groups with beta catIonic centers (