Some nitration properties of 1-methylpyrazoles
β Scribed by V. P. Perevalov; Yu. A. Manaev; L. I. Baryshnenkova; B. I. Stepanov
- Book ID
- 104781984
- Publisher
- Springer US
- Year
- 1988
- Tongue
- English
- Weight
- 80 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0009-3122
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π SIMILAR VOLUMES
The nitration of pyridine l-oxide to give 4-nitropyridine l-oxide is a reaction of great practical and theoretical interest.1 Carried out in aulphuric acid, the reaction involves the free base. The availability of l-methylpyrazole 2-oxide2 made it of interest to examine the orientation of nitration
## Abstract The major products from the reaction of Ξ²βalkoxyvinyl trifluoromethyl ketones **1aβc** with methylhydrazine (**2**) in absolute ethanol are the 3β(trifluoromethyl)βsubstitutedβ1βmethylpyrazoles **3aβ3c** with lesser amounts of the 5β(trifluoromethyl)βsubstituted products **4aβ4c** and *