乙酸酐 、
(1S,2S,3S,4R)-1-[9-((2R,4S,5R)-4-Hydroxy-5-hydroxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-ylamino]-1,2,3,4-tetrahydro-benzo[a]anthracene-2,3,4-triol 在
吡啶 作用下,
生成 Acetic acid (1S,2S,3S,4R)-3,4-diacetoxy-1-[9-((2R,4S,5R)-4-acetoxy-5-acetoxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-ylamino]-1,2,3,4-tetrahydro-benzo[a]anthracen-2-yl ester