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Carbocyclic L-2 ' deoxynucleosides 17 were synthesized on solid phase in fo
ur steps from the appropriately protected intermedate 11, The Mitsunobu rea
ction was used as a condensation method between the carbocyclic moiety and
heterocyclic bases. The regioselectivity of the carbocyclic nucleosides was
compared between the solid and solution phase syntheses.