Practical synthesis of 1,3-diaryl-5-alkylpyrazoles by a highly regioselective N-arylation of 3,5-disubstituted pyrazoles with 4-fluoronitrobenzene

Autor: Kirrane Thomas M, Xiao-Jun Wang, John R. Proudfoot, Jonathan Tan, Grozinger Karl G, Raj Betageri
Rok vydání: 2000
Předmět:
Zdroj: Tetrahedron Letters. 41:5321-5324
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(00)00849-2
Popis: 3-Aryl-5-alkylpyrazoles undergo a highly regioselective arylation on N-1 atom with 4-fluoronitrobenzene in the presence of base to yield the corresponding 1-(4-nitrophenyl)pyrazoles.
Databáze: OpenAIRE