4,4'-双甲氧基三苯甲基氯 、
生成
N-[9-[(2R,4S,5R)-5-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-4-hydroxyoxolan-2-yl]purin-6-yl]-2-[[tert-butyl(diphenyl)silyl]oxymethyl]benzamide 、 N-(9-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-9H-purin-6-yl)-2-(tert-butyl-diphenyl-silanyloxymethyl)-N-[2-(tert-butyl-diphenyl-silanyloxymethyl)-benzoyl]-benzamide