[(2R,3R,4S,5R,6R)-3,4-diacetyloxy-6-[(2R,3R,4R,5R)-4-acetyloxy-5-(6-benzamidopurin-9-yl)-2-[[tert-butyl(diphenyl)silyl]oxymethyl]oxolan-3-yl]oxy-5-phenylmethoxyoxan-2-yl]methyl acetate 在
potassium tert-butylate 作用下,
以
1,4-二氧六环 、
甲醇 为溶剂,
反应 0.02h,
以99%的产率得到N-{9-[(2R,3R,4S,5R)-4-((2R,3R,4S,5S,6R)-3-Benzyloxy-4,5-dihydroxy-6-hydroxymethyl-tetrahydro-pyran-2-yloxy)-5-(tert-butyl-diphenyl-silanyloxymethyl)-3-hydroxy-tetrahydro-furan-2-yl]-9H-purin-6-yl}-benzamide