、 N4-acetyl-3'-deoxy-2'-O-palmitoylcytidine-5'-yl hydrogenphosphonate triethylammonium salt 在
吡啶 作用下,
以
二氯甲烷 为溶剂,
反应 2.0h,
以73%的产率得到O-(N4-acetyl-3'-deoxy-2'-O-palmitoylcytidin-5'-yl)-O-{N2-isobutyryl-2'-O-methyl-5'-O-[bis(2-cyanoethyl)phosphoryl]guanosin-3'-yl} hydrogenphosphonate diester