作者:Sandra D. Mandolesi、Santiago E. Vaillard、Julio C. Podestá、Roberto A. Rossi
DOI:10.1021/om020163r
日期:2002.10.1
s react with borane in THF to give intermediates which on hydrolysis lead to benzene- and pyridinediboronic acids in 79−83% yield. While oxidation of the benzenediboronic acids with alkaline hydrogen peroxide gives the corresponding 1,3- and 1,4-dihydroxybenzenes, the pyridinediboronic acids lead via a double Suzuki reaction with 4-iodoanisole to 2,5- and 2,6-bis(4-methoxyphenyl)pyridines and react
1,4-和1,3-双(三甲基锡烷基)苯以及2,5-和2,6-双(三甲基锡烷基)吡啶与硼烷在THF中反应,生成中间体,水解后生成苯甲酸和吡啶二硼酸产率79-83%。苯二硼酸用碱性过氧化氢氧化可得到相应的1,3-和1,4-二羟基苯,吡啶二硼酸则通过与4-碘苯甲醚的双重Suzuki反应生成2,5和2,6-bis(4 -甲氧基苯基)吡啶,并与频哪醇反应,得到相应的吡啶-2,5-频哪醇和吡啶-2,6-频哪醇二硼酸酯。