(2R,3S,5R)-2-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-5-[6-[2-(4-nitro-phenyl)-ethoxy]-2-(3-[2,2';5',2'']terthiophen-5-yl-propylamino)-purin-9-yl]-tetrahydro-furan-3-ol 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 作用下,
以
吡啶 为溶剂,
反应 20.0h,
以48%的产率得到9-{(2R,4S,5R)-5-[Bis-(4-methoxy-phenyl)-phenyl-methoxymethyl]-4-hydroxy-tetrahydro-furan-2-yl}-2-(3-[2,2';5',2'']terthiophen-5-yl-propylamino)-1,9-dihydro-purin-6-one