Аннотация:A convenient method for the synthesis of novel dispirooxindoles containing 2-iminothiazolidin-4-one moiety has been proposed. The method relies on the 1,3-dipolar cycloaddition of azomethine ylides generated in situ from paraformaldehyde and N-alkyl amino acids including chiral ones to 5-indolylidene-2-iminothiazolidin-4-ones. The method is suitable for preparing enantiomerically pure derivatives.