Dideoxycytidine → Diisopropylaminomethylene 2',3'-dideoxycytidine

Participants

Reaction Steps

In a typical reaction--previously dried 2',3'-dideoxycytidine (153 mg, 0.724 mmoles) prepared by the literature procedures described above is treated with diisopropylformamide dimethylacetal (1.27 g, 7.24 mmoles) in anhydrous DMF (2 mL) under an argon atmosphere. The contents are stirred overnight and then the solvent and excess reagent are removed by rotary evaporation. The syrupy residue remaining is crystallized from ethanol-ether to give pale lemon-colored crystals (185 mg, 79%) of diisopropylaminomethylene 2',3'-dideoxycytidine.

Provenance & Evidence