Efficient and Practical Synthesis of 5′-Deoxytubercidin and Its Analogues via Vorbrüggen Glycosylation
作者:Qiang Xiao、Yong Ju、Yang Song、Haixin Ding、Yanhui Dou、Ruchun Yang、Qi Sun
DOI:10.1055/s-0030-1259975
日期:2011.5
An efficient and practical synthesis of naturally occurring marine nucleosides 5′-deoxytubercidins on a 10 gram scale in good overall yield is reported. The key step was the Vorbrüggen glycosylation of pyrrolo[2,3-d]pyrimidines with 5-deoxy-1,2,3-tri-O-acetyl-β-d-ribofuranose. 5′-deoxytubercidin - Vorbrüggen glycosylation - pyrrolo[2,3-d]pyrimidine - marine nucleoside - 7-deazapurine
据报道以10克的规模有效有效地合成了天然存在的海洋核苷5'-脱氧结核菌素,其总收率良好。关键步骤是吡咯并[2,3- d ]嘧啶与5-脱氧-1,2,3-三-O-乙酰基-β - d-呋喃核糖的Vorbrüggen糖基化。 5'-脱氧tubercidin-Vorbrüggen糖基化-吡咯并[2,3- d ]嘧啶-海洋核苷-7-脱氮嘌呤