Two convergent approaches towards the synthesis of carbocyclic nucleoside analogs
will be described. Both approaches start from the stereochemically pure cyclopentenol
8 that has been prepared enantioselectively from an alkylated cyclopentadiene. Using
these approaches, carbocyclic analogues of dT, FdU and BVdU have been prepared. Moreover,
the conversion into the cycloSal-pronucleotide and the corresponding nucleotide will be presented for one example.
carbocyclic nucleosides - stereoselective synthesis - Mitsunobu reaction -
cycloSal-pronucleotides - nucleotides