2,3,5-tri-O-benzoyl-β-D-ribofuranosyl bromide 、
2,2,4,8-tetramethyl-2,3-dihydro-1H-1,5-benzodiazepine 反应 4.0h,
以89%的产率得到(2R,3R,4R,5R)-2-((benzoyloxy)methyl)-5-(2,2,4,8-tetramethyl-2,3-dihydro-1H-benzo[b][1,4]diazepin-1-yl)tetrahydrofuran-3,4-diyl dibenzoate