六氟异丙醇 、
5'-O-(4,4'-Dimethoxytrityl)-N4-isobutyryl-2'-deoxycytidine-3'-(N,N-diisopropyl)methylphosphonamidite 在
吡啶 、
四氮唑 、
碘 作用下,
生成 (S)-Methyl-phosphonic acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(4-isobutyrylamino-2-oxo-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2,2,2-trifluoro-1-trifluoromethyl-ethyl ester 、
(R)-Methyl-phosphonic acid (2R,3S,5R)-2-[bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-(4-isobutyrylamino-2-oxo-2H-pyrimidin-1-yl)-tetrahydro-furan-3-yl ester 2,2,2-trifluoro-1-trifluoromethyl-ethyl ester