[EN] STEREOSELECTIVE SYNTHESIS OF 3,4-DISUBSTITUTED CYCLOPENTANONES AND RELATED COMPOUNDS [FR] SYNTHESE STEREOSELECTIVE DE CYCLOPENTANONES 3,4-DISUBSTITUES ET COMPOSES CORRESPONDANTS
[EN] STEREOSELECTIVE SYNTHESIS OF 3,4-DISUBSTITUTED CYCLOPENTANONES AND RELATED COMPOUNDS [FR] SYNTHESE STEREOSELECTIVE DE CYCLOPENTANONES 3,4-DISUBSTITUES ET COMPOSES CORRESPONDANTS