2-Chloro-4-tetrafluorophenoxypyrimidine: a versatile reagent for C-2 prior to C-4 functionalizations
作者:Michael O’Donnell、Jean-Damien Charrier
DOI:10.1016/j.tetlet.2016.03.057
日期:2016.4
to 2,4-functionalized pyrimidines is reported. The approach uses 2-chloro-4-tetrafluorophenoxypyrimidine, that enables sequential palladium catalyzed functionalization at the pyrimidine C-2 position, followed by SNAr displacement with diverse amines at C-4. The broad utility of this ‘C-2 then C-4’ functionalization sequence has been demonstrated with a range of cross-coupling partners and amines.
报道了合成2,4-官能化嘧啶的新途径。该方法使用2-氯-4-四氟苯氧基嘧啶,该化合物能够在嘧啶C-2位置进行连续的钯催化官能化,然后用C-4处的各种胺置换S N Ar 。该“ C-2然后C-4 ”功能化序列的广泛用途已通过一系列交叉偶联伴侣和胺得到了证明。