二硫化碳 、
benzyl (1R,12R)-12-[(4aS,11cR)-1-(2-hydroxyethyl)-8,9-dimethoxy-7-methyl-4a-[2-oxo-2-(2-trimethylsilylethoxy)ethyl]-2,3,4,11c-tetrahydropyrido[3,2-c]carbazol-10-yl]-4,16-dioxo-7-phenylmethoxy-5,15-diazatetracyclo[10.3.1.01,5.06,11]hexadeca-6(11),7,9-triene-15-carboxylate 、
碘甲烷 在
sodium hydride 作用下,
以
四氢呋喃 为溶剂,
反应 1.75h,
以46.7 mg的产率得到benzyl (1R,12R)-12-[(4aS,11cR)-8,9-dimethoxy-7-methyl-1-(2-methylsulfanylcarbothioyloxyethyl)-4a-[2-oxo-2-(2-trimethylsilylethoxy)ethyl]-2,3,4,11c-tetrahydropyrido[3,2-c]carbazol-10-yl]-4,16-dioxo-7-phenylmethoxy-5,15-diazatetracyclo[10.3.1.01,5.06,11]hexadeca-6(11),7,9-triene-15-carboxylate