作者:Pentti Nore、Erkki Honkanen
DOI:10.1002/jhet.5570170527
日期:1980.7
A new seven step synthesis of methoxalen, 9-methoxy-7H-furo[3,2-g][1]benzopyran-7-one, starting from 2-chloro-2′-hydroxy-3′,4′-dimethoxyacetophenone is described. The yields in every step are good (60-100%).
由2-氯-2'-羟基-3',4'-二甲氧基苯乙酮开始的新的7步合成甲氧杂草酸9-甲氧基-7 H-呋喃[3,2- g ] [1]苯并吡喃-7-one描述。每个步骤的收率都很高(60-100%)。