Studies in the oxidative ring-opening of catechols and o-benzoquinones. Lead tetraacetate versus the copper(I) chloride/pyridine/methanol system
作者:James G Walsh、Patrick J Furlong、Louise A Byrne、Declan G Gilheany
DOI:10.1016/s0040-4020(99)00651-1
日期:1999.9
Lead tetraacetate oxidative ring-opening of a series of substituted catechols provides the corresponding substituted cis,cis-2,4-diene-1,6-dioates (1–10) in fair to good yields. A number of improvements on Wiessler's procedure for this reaction are reported. The analogous copper(I) chloride/pyridine/methanol ring-opening was found to be ineffective as a general synthetic method for this transformation
一系列取代的邻苯二酚的四乙酸铅氧化性开环可提供相应的取代的顺式,顺式-2,4-二烯-1,6-二酸酯(1-10),收率相当好。据报道,该反应在Wiessler程序上有许多改进。发现类似的氯化铜(I)/吡啶/甲醇开环作为这种转化的一般合成方法是无效的。