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
Link To Document :
https://search.isc.ac/dl/search/defaultta.aspx?DTC=10&DC=1863829
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