Cyclization method for the synthesis of pyrrolidine derivative compounds

   
   

A method for preparing pyrrolidine derivatives comprising cyclizing a compound of formula (I): ##STR1## in the presence of: a) a catalyst, b) a primary amine and c) a base, in a solvent to obtain pyrrolidine derivative of formula (II) below: ##STR2##

Un metodo per la preparazione dei derivati della pirrolidina che contengono cyclizing un residuo della formula (I): ## del ## STR1 in presenza di: a) un catalizzatore, b) un'ammina primaria e c) una base, in un solvente per ottenere il derivato della pirrolidina della formula (ii) qui sotto: ## del ## STR2

 
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