An iodoacetamide-based free radical cyclisation approach to the 7,12-dihydro-indolo[3,2-d][1]benzazepin-6(5H)-one (paullone) system
摘要:
A potentially versatile route to 2-(2-aminoaryl)indoles is described based on a palladium-mediated cyclisation of N-substituted indoles, together with free radical cyclisation of their N-benzyliodoacetamide derivatives to the 7,12-dihydro-indolo[3,2-d][l]berizazepin-6(5H)-one system. (c) 2005 Elsevier Ltd. All rights reserved.
An iodoacetamide-based free radical cyclisation approach to the 7,12-dihydro-indolo[3,2-d][1]benzazepin-6(5H)-one (paullone) system
摘要:
A potentially versatile route to 2-(2-aminoaryl)indoles is described based on a palladium-mediated cyclisation of N-substituted indoles, together with free radical cyclisation of their N-benzyliodoacetamide derivatives to the 7,12-dihydro-indolo[3,2-d][l]berizazepin-6(5H)-one system. (c) 2005 Elsevier Ltd. All rights reserved.
12-arylindolo[1,2-c]quinazolin-6(5H)-ones through the palladium-catalyzed direct arylation of N-benzyl and NH-free [1,2-c]quinazolin-6(5H)-ones with aryl halides is described. A straightforward approach to the synthesis of the challenging 12-arylindolo[1,2-c]quinazolin-6(5H)-ones through the palladium-catalyzed direct arylation of N-benzyl and NH-free [1,2-c]quinazolin-6(5H)-ones with aryl halides is described
抽象的 通过钯催化的N-苄基和不含NH [1,2- c ]的直接芳基化反应来合成具有挑战性的12-芳基吲哚并[1,2- c ]喹唑啉-6(5 H)-的简单方法描述了带有芳基卤化物的喹唑啉-6(5 H)-1 。 通过钯催化的N-苄基和不含NH [1,2- c ]的直接芳基化反应来合成具有挑战性的12-芳基吲哚并[1,2- c ]喹唑啉-6(5 H)-的简单方法描述了带有芳基卤化物的喹唑啉-6(5 H)-1 。
One-Pot Synthesis of Pyrimido[1,6-<i>a</i>]indol-1(2<i>H</i>)-one Derivatives by a Nucleophilic Addition/Cu-Catalyzed N-Arylation/Pd-Catalyzed C−H Activation Sequential Process
作者:Zhi-Jing Wang、Jian-Guo Yang、Fan Yang、Weiliang Bao
DOI:10.1021/ol101041e
日期:2010.7.2
A novel and convenient one-pot synthesis of pyrimido[1,6-a]indol-1(2H)-one derivatives through a nucleophilic addition/Cu-catalyzed N-arylation/Pd-catalyzed C H activation sequential process is described. The reaction of easily prepared ortho-gem-dibromovinyl isocyanates with N-alkylanilines gave the desired indole derivatives in moderate to good yields.