(1S,2S,4S,5R)-5-methyl-1-{4-(benzyloxy)-5-[(benzyloxy)methyl]-6-oxabicyclo[3.1.0]hex-2-yl}-3-(benzoyl)-1,3-dihydropyrimidine-2,4-dione 、
potassium thioacetate 以
N,N-二甲基甲酰胺 为溶剂,
反应 8.0h,
以61%的产率得到(1R,2R,3S,5S)-5-methyl-1-[3-(benzyloxy)-2-((benzyloxy)methyl)-2-hydroxy-1-acetylmercaptocyclopent-5-yl]-3-(benzoyl)-1,3-dihydropyrimidine-2,4-dione