91397-55-6Relevant articles and documents
Nonaqueous Diazotation of 5-Amino-1-aryl-1H-pyrazole-4-carboxylate Esters
Beck, James R.,Gajewski, Robert P.,Lynch, Michael P.,Wright, Fred L.
, p. 267 - 270 (2007/10/02)
5-Amino-1-aryl-1H-pyrazole-4-carboxylate esters are converted to the corresponding desamino, chloro, bromo, iodo, and methylthio esters by processes involving nonaqueous diazotation.Diazotizing agents are alkyl nitrites except in the case of chlorine wher