A number of N-O-ribosides 5 were prepared by the reaction of appropriate cyclic N-hydroxycompounds 4 with three of the representative ribofuranose derivatives 3 in the presence of triphenylphosphine and diethyl azodicarboxylate as coupling agents.
在
三苯基膦和
偶氮二甲酸二乙酯作为
偶联剂的存在下,适当的环状 N-羟基化合物 4 与三种具有代表性的核
呋喃糖衍
生物 3 反应,制备出了一些 N-O 核苷 5。