Seven novel glycosyl N -tosyl benzimidates were prepared by the reactions of the corresponding hemiacetals with imidoyl chloride in 55–88% yields, which were smoothly converted to glycosides, upon treatment with alcohols and catalytic TMSOTf, in 57–99% yields.
通过相应的
半缩醛与亚
氨酰
氯反应制备了七种新型糖基 N-
甲苯磺酰
苯甲酸酯,产率 55-88%,在用醇和催化 TMSOTf 处理后,产率 57-99% 顺利转化为糖苷。