Effect of lithiation on the reactivity of diazo derivatives with sulfonylalkynes: application to the synthesis of three isomeric trisubstituted pyrazoles
作者:Didier Bourissou、Guy Bertrand
DOI:10.1016/s0040-4039(98)02582-9
日期:1999.1
The difference in reactivity of diazo derivatives versus their lithium salts allowed the synthesis of different regioisomeric funtionalized pyrazoles.