deoxyribonucleoside diphosphate biosynthetic process +
purine nucleoside diphosphate biosynthetic process +
purine ribonucleoside diphosphate metabolic process +
pyrimidine nucleoside diphosphate biosynthetic process +
pyrimidine ribonucleoside diphosphate metabolic process +
ribonucleoside diphosphate biosynthetic process +
The chemical reactions and pathways resulting in the formation of a ribonucleoside diphosphate, a compound consisting of a nucleobase linked to a ribose sugar esterified with diphosphate on the sugar.