Synthesis of highly substituted dihydropyrrolophenanthridine derivatives by tandem reaction
作者:Yimin Hu、Tao Zhu、Xiaolong Mu、Quansheng Zhao、Tao Yu、Lei Wen、Yulong Zhang、Min Wu、Hao Zhang
DOI:10.1016/j.tet.2011.10.041
日期:2012.1
cross-coupling of bromo(iso)quinoline to 1,6-diynes with the Pd-catalyzed system was established. Using unactivated simple diynes with bromo(iso)quinoline in the presence of palladium catalytic system afforded different kinds of rare 7,11-diphenyl-9,10-dihydro-8H-pyrrolo[3,4-j]phenanthridine derivatives through regioselective C–H functionalization in one step. Different diynes (a–p) and different bromo(iso)quinolines
建立了溴(异)喹啉与Pd催化体系的有效交叉偶联。在钯催化体系下,使用未活化的简单二炔与溴(异)喹啉的反应,通过区域选择性C产生了不同种类的稀有7,11-二苯基-9,10-二氢-8 H-吡咯并[3,4- j ]菲啶衍生物-H功能化一步。结果表明,不同的二炔(a – p)和不同的溴(异)喹啉在反应中非常活跃。因此,鉴于这些吡咯并[3,4- j ]菲啶衍生物的合成和医学重要性,该方法的一般性使反应具有很高的价值。