Application of organolithium and related reagents in synthesis. Part 13. Synthetic strategies based on aromatic metallation. A concise regiospecific conversion of benzoic acids into 4-hydroxy-1-arylnaphthalenes
作者:Jan Epsztajn、Andrzej Jóźwiak、Aleksandra K. Szcześniak
DOI:10.1016/s0040-4020(01)80334-3
日期:1993.1
the synthesis of the 3-unsubstituted phthalides (5) and their conversion into 1-hydroxy-1-arylphthalans (8), very useful precursors of isobenzofurans (10) and subsequent cycloaddition of them to dimethyl acetylenedicarboxylate as a way of regiospecific transformation of benzoic acids into dimethyl 4-hydroxy-1-(2-methoxyphenyl)naphthalene-2,3-dicarboxylates (12) (biaryls highly substituted around the
3-未取代的邻苯二甲酸酯的合成(5)以及它们转化成1-羟基-1-芳基邻苯二甲酸酯(8),非常有用的异苯并呋喃的前体(10)以及随后将它们环加成乙炔二羧酸二甲酯,作为苯甲酸的区域特异性转化的一种方法描述了将丙烯酸转变成4-羟基-1-(2-甲氧基苯基)萘-2-3,3-二羧酸二甲酯(12)(绕轴高度取代的联芳基)。