3-Chloro-4-indolylmaleimides and two different alkynes are used as the starting materials in a novel and highly effective Pd-catalyzed addition/C–H activation/cyclization sequence for the synthesis of pyrrolo[3,4-c]carbazole-1,3(2H,6H)-diones. The desired products are obtained in moderate to excellent yields. Such compounds show a wide range of biological activities.
3-Chloro-4-indolymaleimides 和两种不同的
炔烃被用作新型高效 Pd 催化加成/C-H 活化/环化序列的起始材料,用于合成
吡咯并 [3,4-c]
咔唑-1 ,3(2H,6H)-二酮。以中等至极好的收率获得所需产物。此类化合物显示出广泛的
生物活性。