27808-19-1Relevant academic research and scientific papers
Regioselective synthesis of silylated pyrazolines and indazolines by reaction of pyrazolium and indazolium salts with silyllithium reagents
Gonzalez-Nogal, Ana M.,Calle, Mariola,Calvo, Luis A.,Cuadrado, Purificacion,Gonzalez-Ortega, Alfonso
, p. 4663 - 4669 (2005)
Pyrazolium salts react with dimethylphenylsilyl- and tert- butyldiphenylsilyllithium to give, in general, only one of the two possible 5-silyl-3-pyrazolines. On the other hand, indazolium and isoindazolium salts lead to 3-silylindazolines and occasionally
