2,5-anhydro-1-deoxy-1-(3'-(N-tertbutyloxycarbonyl)-uracil-1'-yl)-6-(5''-(4'''-(N,N',N'',N''-tetra-(tertbutyloxycarbonyl)guanidinomethylene)-1H,1''',2''',3'''-triazol-1'''-yl)-1'',5''-dideoxy-2'',3''-O-isopentylidene-β-D-ribos-1''-yl)-D-glucitol 在
水 、
三氟乙酸 作用下,
以50%的产率得到2,5-anhydro-1-deoxy-1-(uracil-1'-yl)-6-(5''-(4''-guanidinomethylene)-1H,1''',2''',3'''-triazol-1'''-yl-1'',5''-dideoxy-2'',3''-dihydroxy-β-D-ribos-1''-yl)-D-glucitol