Methylation of 4-nitro-3(5)-pyrazolecarboxylic acid

Autor:	Henryk Mastalarz, Andrzej Regiec, Andrzej Kochel, Agnieszka Mastalarz
Rok vydání:	2009
Předmět:	chemistry.chemical_classification chemistry Organic Chemistry Drug Discovery Nitro Salt (chemistry) Organic chemistry Regioselectivity Methylation Chemoselectivity Biochemistry
Zdroj:	Tetrahedron Letters. 50:2624-2627
ISSN:	0040-4039
DOI:	10.1016/j.tetlet.2009.02.223
Popis:	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.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::4f92274f3edb8fa6cfca7a618b32e9e2 https://doi.org/10.1016/j.tetlet.2009.02.223 Zobrazit plný text záznamu Full Text from ScienceDirect