AN IMPROVED SYNTHETIC PREPARATION OF ANTI CONFORMATIONALLY CONSTRAINED ACYCLIC NUCLEOSIDES
作者:Kuo-Tsao Yang、Ling-Yih Hsu
DOI:10.1081/scc-100103324
日期:2001.1
Practical large-scale synthesis of anti conformationally constrained acyclic nucleosides has been attained from the coupling of lithiated 2,4-dimethoxy-5,6-dimethylpyrimidine with 1,3-bis(tert-butyldiphenylsilyloxy)-propan-2-one, followed by the sequential reactions of methylthiomethylation, ring cyclization, hydrolysis, and desilylation.
通过将锂化的 2,4-二甲氧基-5,6-二甲基嘧啶与 1,3-双(叔丁基二苯基甲硅烷氧基)-丙烷-2-酮偶联,反构象限制性无环核苷的实际大规模合成已实现甲硫基甲基化、环化、水解和脱甲硅烷基化的顺序反应。