5'-ODMT-Bz-difluoro-deoxycytidine

dFdC phosphoramidite, also known as Gemcitabine 3'-CE phosphoramidite, is a nucleoside phosphoramidite used in oligonucleotide synthesis. A chemical oligonucleotide synthesis instead of an enzymatic one allows quick access to bespoke oligonucleotides of the desired sequence. Chemically synthesised oligonucleotide sequences are typically constructed in a 3’ to 5’ direction. Gemcitabine 3'-CE phosphoramidite has been used in the synthesis of an oligonucleotide by single replacement of cytidine for gemcitabine for use in gene silencing experiments.