乙酸酐 、
(7S,8R,9R,10R)-10-[[9-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]purin-6-yl]amino]-7,8,9,10-tetrahydrobenzo[a]pyrene-7,8,9-triol 在
吡啶 作用下,
生成 Acetic acid (7S,8R,9R,10R)-8,9-diacetoxy-10-[9-((2R,3R,4R,5R)-3,4-diacetoxy-5-acetoxymethyl-tetrahydro-furan-2-yl)-9H-purin-6-ylamino]-7,8,9,10-tetrahydro-benzo[def]chrysen-7-yl ester