2,3,5-tri-O-benzoyl-β-D-ribofuranosyl bromide 、
7,8-dichloro-1H-2,3-dihydrobenzodiazepine-2-spirocyclohexane 反应 5.0h,
以75%的产率得到(2R,3R,4R,5R)-2-((benzoyloxy)methyl)-5-(7',8'-dichloro-1',3',4',11a'-tetrahydrospiro[cyclohexane-1,11'-dibenzo[b,e][1,4]diazepin]-10'(2'H)-yl)tetrahydrofuran-3,4-diyl dibenzoate