作者:Dipakranjan Mal、Joyeeta Roy
DOI:10.1016/j.tet.2015.01.001
日期:2015.2
4-Bromo-1-methoxycarbazole-3-carboxylate has been synthesized by a sequence of benzannulation–decarboxylation–bromination, and utilized as a common intermediate for the first total synthesis of clausamine E and the second synthesis of furanoclausamine B. Heck coupling and Br–Li exchange reactions are, respectively, employed as the key steps.
4-溴-1-甲氧基咔唑-3-羧酸酯是通过一系列的苯环-脱羧-溴化反应合成的,并被用作常见的中间体,用于克劳斯敏E的第一次全合成和呋喃克劳斯敏B的第二次合成。Heck偶联和Br –Li交换反应分别用作关键步骤。