Palladium-catalyzed intramolecular arylation of pyrimidines: a novel and expedient avenue to benzannulated pyridopyrimidines
作者:K.C. Majumdar、B. Sinha、P.K. Maji、S.K. Chattopadhyay
DOI:10.1016/j.tet.2009.01.107
日期:2009.4
A new efficient protocol for the synthesis of benzannulated pyrido[2,3-d]- and pyrido[3,2-d]pyrimidines has been successfully accomplished via the palladium-catalyzed intramolecular arylation of C–H bond of pyrimidine moiety. The methodology has also been extended to the synthesis of pyrimido[5,4,-c]isoquinoline-2,4,6(1H,3H,5H)-trione derivatives in excellent yields.
通过钯催化嘧啶部分CH键的分子内芳基化反应,已成功完成了合成苯并吡啶并[2,3- d ]-和吡啶并[3,2- d ]嘧啶的新有效方法。该方法还扩展到以优异的产率合成嘧啶并[5,4,-c ]异喹啉-2,4,6(1 H,3 H,5 H)-三酮衍生物。