2,2,2-trichloroethyl ((3aS,4R,10aR)-4-(hydroxymethyl)-6-((2,2,2-trichloroacetyl)imino)-3a,4,5,6-tetrahydro-1H,8H-pyrrolo[1,2-c]purin-2(3H)-ylidene)sulfamate 、
3-methyl-1-(phenoxycarbonyl)-1H-imidazol-3-ium trifluoromethanesulfonate 以
四氢呋喃 为溶剂,
反应 23.0h,
以70%的产率得到2,2,2-trichloroethyl ((3aS,4R,10aR)-4-(((phenoxycarbonyl)oxy)methyl)-6-((2,2,2-trichloroacetyl)imino)-3a,4,5,6-tetrahydro-1H,8H-pyrrolo[1,2-c]purin-2(3H)-ylidene)sulfamate