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3-Nitro-4-hydroxyphenylarsonic acid

✍ Scribed by Chatterjee, A. ;Sen Gupta, S. P.


Book ID
114524649
Publisher
International Union of Crystallography
Year
1977
Weight
282 KB
Volume
33
Category
Article
ISSN
0567-7408

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Methylation of 4-nitro-3(5)-pyrazolecarb
✍ Andrzej Regiec; Henryk Mastalarz; Agnieszka Mastalarz; Andrzej Kochel πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 French βš– 230 KB

Reactions of 4-nitro-3(5)-pyrazolecarboxylic acid dipotassium salt with different methylating agents in various solvents have been investigated to improve the synthesis of isomeric 1-methyl-4-nitro-3-and -5-pyrazolecarboxylic acids.