[EN] PROCESS FOR PREPARING 2',3'-DIDEHYDRO-2',3'-DIDEOXYNUCLEOSIDES AND 2',3'-DIDEOXYNUCLEOSIDES [FR] PROCEDE DE PREPARATION DE 2',3'-DIDEHYDRO-2',3'-DIDEOXYNUCLEOSIDES ET DE 2',3'-DIDEOXYNUCLEOSIDES
[EN] PROCESS FOR PREPARING 2',3'-DIDEHYDRO-2',3'-DIDEOXYNUCLEOSIDES AND 2',3'-DIDEOXYNUCLEOSIDES [FR] PROCEDE DE PREPARATION DE 2',3'-DIDEHYDRO-2',3'-DIDEOXYNUCLEOSIDES ET DE 2',3'-DIDEOXYNUCLEOSIDES