5-bromopentyl 2-(N-ethyl-N-{4′-[(2″-chloro-4″-nitrophenyl)-phazo]phenyl}amino)ethyl ether 、 5'-amino-5'-deoxy-2',3'-O-isopropylideneuridine 在
potassium carbonate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 16.0h,
以43%的产率得到1-[6-[[5-[2-[4-[(E)-(2-chloro-4-nitro-phenyl)azo]-N-ethyl-anilino]ethoxy]pentylamino]methyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]pyrimidine-2,4-dione