Hexadecanoic acid (R)-2-({2-[3-(2-{2-[((R)-2,3-bis-hexadecanoyloxy-propoxy)-hydroxy-phosphoryloxy]-ethylcarbamoyl}-ethyldisulfanyl)-propionylamino]-ethoxy}-hydroxy-phosphoryloxy)-1-hexadecanoyloxymethyl-ethyl ester 、 [2-(Pyridin-2-yldisulfanyl)-ethyl]-carbamic acid (3S,8S,9S,10R,13R,14S,17R)-17-((R)-1,5-dimethyl-hexyl)-10,13-dimethyl-2,3,4,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-3-yl ester 以
氯仿 为溶剂,
以56%的产率得到[(2R)-3-[2-[3-[2-[[(3S,8S,9S,10R,13R,14S,17R)-10,13-dimethyl-17-[(2R)-6-methylheptan-2-yl]-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthren-3-yl]oxycarbonylamino]ethyldisulfanyl]propanoylamino]ethoxy-hydroxyphosphoryl]oxy-2-hexadecanoyloxypropyl] hexadecanoate