How is Sodium (3aR,4R,6R,6aR)-4-(2-amino-6-oxo-1,6-dihydro-9H-purin-9-yl)-6-(hydroxymethyl)tetrahydrofuro[3,4-d][1,3,2]dioxaphosphol-2-olate 2-oxide (CAS: 15718-49-7) typically synthesized?

The synthesis of this compound involves multi-step organic reactions such as nucleophilic substitution and condensation. It typically requires the use of Lewis acids and bases as catalysts. The yield and selectivity depend on the reaction conditions and the choice of reagents. Detailed procedures for synthesis can be found in the literature and are often reported in academic journals.