Synthesis of 3-and 5-Hydrazino-1-methyl-4-nitropyrazoles. -The title 3(5)-hydrazinopyrazoles (II) and (IV), resp., are obtained by nucleophilic substitution of the 5-bromo group in compound (I) or the 3-nitro group in compound (III) with hydrazine.
โฆ LIBER โฆ
Synthesis of 3-and 5-hydrazino-1-methyl-4-nitropyrazoles
โ Scribed by L. I. Baryshnenkova; V. P. Perevalov; V. A. Polyakov
- Publisher
- Springer US
- Year
- 1997
- Tongue
- English
- Weight
- 67 KB
- Volume
- 33
- Category
- Article
- ISSN
- 0009-3122
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## Synthesis of l-Methyl-4-(5-14C-3-methyl-5-isoxazolyl) pyridinium Chloride Received on 21st November 1968 l-Methyl-4-(3-methyl-5-isoxazolyl)pyridinium chloride (1) has been found to display interesting hypoglycemic activity in laboratory animals, and is currently undergoing extensive evaluation