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THE unique spherical nature and potential application of fullerene have attracted great attention. Their functionalization is in particular an active research field. Many methods are now available for the preparation of fullerene derivatives. The 1, 3-dipole cycloaddition of ylide to fullerene is one of the best known methods. We have recently reported that aminoacid esters can be added to C_(60) to form fulleropyrrolidine derivatives under photolysis. Our in-
THE unique spherical nature and potential application of fullerene have attracted great attention. Their functionalization is in particular an active research field. Many methods are now available for the preparation of fullerene derivatives. The 1, 3-dipole cycloaddition of ylide to fullerene is one of the best known methods. We have recently reported that aminoacid esters can be added to C_ (60) to form fulleropyrrolidine derivatives under photolysis. Our in-