The silyl alkylation procedure has furnished the first thiazolo [5,4-d]pyrimidine nucleoside (both α and β anomers isolated and characterized), and the site of alkylation has been established by a comparison of the u.v. spectra of the nucleoside and model N-methyl compounds.
甲
硅烷基化反应过程提供了第一个
噻唑并[5,4- d ]
嘧啶核苷(分离并表征了α和β端基异构体),并且通过比较核苷和N型紫外光谱确定了烷基化位点-甲基化合物。