Palladium-catalyzed reaction of indolines with 1-acyl-2,3-dihydro-1H-pyrroles or 1-acyl-2,5-dihydro-1H-pyrroles in air produces N-alkylated indoles. A combination of Pd(CH3CN)2Cl2 and dppf effectively catalyzes the reaction of 1-acyl-2,3-dihydro-1H-pyrroles, and the combination of Pd(CH3CN)2Cl2 and dcypf is more effective for the reaction of 1-acyl-2,5-dihydro-1H-pyrroles. The method has a wide scope
二氢
吲哚与1-酰基-2,3-二氢-1H-
吡咯或1-酰基-2,5-二氢-1H-
吡咯在空气中的
钯催化反应生成N-烷基化
吲哚。 Pd(CH 3 CN) 2 Cl 2与dppf的组合有效催化1-酰基-2,3-二氢-1 H-
吡咯的反应,Pd(CH 3 CN) 2 Cl 2与dcypf的组合为对于1-酰基-2,5-二氢-1H-
吡咯的反应更有效。该方法底物范围广,官能团相容性好。