N,N-dibutylformamide dimethyl acetal 、
9-(2'-azido-3'-hydroxy-1'-hydroxymethylbicyclo[3.1.0]hex-4'-yl)adenine 以
甲醇 为溶剂,
以90%的产率得到N'-(9-((1S,2R,3S,4R,5S)-4-azido-3-hydroxy-5-(hydroxymethyl)bicyclo[3.1.0]hexan-2-yl)-9H-purin-6-yl)-N,N-dibutylformimidamide