Title of article
Methylation of 4-nitro-3(5)-pyrazolecarboxylic acid
Author/Authors
Aniela and Regiec، نويسنده , , Andrzej and Mastalarz، نويسنده , , Henryk and Mastalarz، نويسنده , , Agnieszka and Kochel، نويسنده , , Andrzej، نويسنده ,
Issue Information
هفته نامه با شماره پیاپی سال 2009
Pages
4
From page
2624
To page
2627
Abstract
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.
Keywords
pyrazoles , Regiochemistry , Chemoselectivity , Selective methylation
Journal title
Tetrahedron Letters
Serial Year
2009
Journal title
Tetrahedron Letters
Record number
1863829
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