6,6‘-Dibromo-4,4‘-di(hexoxymethyl)-2,2‘- bipyridine: A New Solubilizing Building Block for Macromolecular and Supramolecular Applications
作者:Chad M. Amb、Seth C. Rasmussen
DOI:10.1021/jo060557i
日期:2006.6.1
supramolecular applications, few such synthetic precursors have been reported that include much-needed solubilizing groups. Reported here is an inexpensive route to 2,6-dibromo-4-(hexoxymethyl)pyridine from citrazinic acid with an overall yield of 44% and its efficient conversion (60%) to 6,6‘-dibromo-4,4‘-di(hexoxymethyl)-2,2‘-bipyridine via oxidative coupling.
尽管对于配体设计和大分子或超分子应用而言,溴化联吡啶和三联吡啶是非常合乎需要的合成构件,但是已经报道了很少有这样的合成前体包括急需的增溶基团。此处报道的是一条廉价的路线,该路线可从柑桔酸制备2,6-二溴-4-(己氧基甲基)吡啶,总收率为44%,且有效转化率(60%)转化为6,6'-dibromo-4,4'-二(己氧基甲基)-2,2'-联吡啶通过氧化偶合。