Synthesis of 3-Methoxyolivacine and Olivacine by Friedel-Crafts Reaction of Indole-2,3-dicarboxylic Anhydride with 2,4,6-Trimethoxypyridine
作者:Yasuyoshi Miki、Yasuhiko Tsuzaki、Hajime Hibino、Yoshiyuki Aoki
DOI:10.1055/s-2004-831317
日期:——
1-Benzylindole-2,3-dicarboxylic anhydride (1) was reacted with 2,4,6-trimethoxypyridine in the presence of titanium(IV) chloride to give 3-(2,4,6-trimethoxynicotinoyl)indole-2-carboxylic acid (2) as the sole product in high yield, which could be converted to olivacine.
1-苄基吲哚-2,3-二羧酸酐 (1) 在氯化钛 (IV) 存在下与 2,4,6-三甲氧基吡啶反应得到 3-(2,4,6-三甲氧基烟酰基)吲哚-2-羧酸酸 (2) 作为唯一高产率的产物,可转化为橄榄辛。