Studies toward the total synthesis of the variolins: rapid entry to the core structure
作者:Regan J Anderson、Jonathan C Morris
DOI:10.1016/s0040-4039(00)01772-x
日期:2001.1
The pyrido[3′,2′:4,5]pyrrolo[1,2-c]pyrimidine core structure of the variolins has been synthesized in three steps from commercially available materials. The key reaction involves the deoxygenation and concomitant cyclization of a triarylmethanol using the combination of triethylsilane and trifluoroacetic acid. Introduction of amine functionality as required for the natural products has been achieved
variolins的吡啶并[3',2':4,5]吡咯并[1,2- c ]嘧啶核心结构是由市售材料分三步合成的。关键反应涉及使用三乙基硅烷和三氟乙酸的组合使三芳基甲醇脱氧并伴随环化。天然产物所需的胺官能团的引入已通过两个步骤完成。