Chemoselective amination of bromoiodobenzenes with diarylamines by palladium/Xantphos or ligand-free copper catalysts
摘要:
We report the chemoselective amination of bromoiodobenzenes with diarylamines by palladium/Xantphos or a ligand-free copper catalyst. The reactions by these two types of catalysts proceeded with a high chemoselectivity and afforded monobrominated triarylamines in good yields. These products are useful intermediates for the synthesis of unsymmetrical bistriarylamines. (C) 2015 Elsevier Ltd. All rights reserved.
AMORPHE ORGANISCHE 1,3,2-DIOXABORINLUMINOPHORE, VERFAHREN ZU DEREN HERSTELLUNG UND VERWENDUNG DAVON
申请人:Siemens Aktiengesellschaft
公开号:EP1358190A1
公开(公告)日:2003-11-05
US7396599B2
申请人:——
公开号:US7396599B2
公开(公告)日:2008-07-08
[DE] AMORPHE ORGANISCHE 1,3,2-DIOXABORINLUMINOPHORE, VERFAHREN ZU DEREN HERSTELLUNG UND VERWENDUNG DAVON<br/>[EN] AMORPHOUS ORGANIC 1,3,2-DIOXABORINE LUMINOPHORES, METHOD FOR THE PRODUCTION AND USE THEREOF<br/>[FR] SUBSTANCES LUMINESCENTES DE 1,3,2-DIOXABORINE ORGANIQUES AMORPHES, LEUR PROCEDE D'OBTENTION ET LEUR APPLICATION
申请人:SIEMENS AG
公开号:WO2002064600A1
公开(公告)日:2002-08-22
Die Erfindung betrifft Luminophore mit halbleitenden Eigenschaften sowie deren Herstellung und ihre Anwendung in organischen Leuchtdioden (OLEDS) und organischen Solarzellen. Die neuen Materialien sind präperativ leicht zugänglich und zeigen hervorragende Stromdichte und Effizienz bei der Verwendung in organischen Leuchtdioden.
Chemoselective amination of bromoiodobenzenes with diarylamines by palladium/Xantphos or ligand-free copper catalysts
We report the chemoselective amination of bromoiodobenzenes with diarylamines by palladium/Xantphos or a ligand-free copper catalyst. The reactions by these two types of catalysts proceeded with a high chemoselectivity and afforded monobrominated triarylamines in good yields. These products are useful intermediates for the synthesis of unsymmetrical bistriarylamines. (C) 2015 Elsevier Ltd. All rights reserved.