Iron catalyzed oxidative assembly of N-heteroaryl and aryl metal reagents using oxygen as an oxidant
作者:Kun Ming Liu、Lian Yan Liao、Xin Fang Duan
DOI:10.1039/c4cc08494b
日期:——
An equivalent amount of N-heteroaryl and aryl Grignard or lithium reagents, after mediation by an equivalent of titanate, was facilely coupled to furnish N-heteroaryl-aryl compounds under the catalysis of FeCl3/TMEDA at ambient temperature usingoxygen as an oxidant. Most of the common N-heteroaryls were all good candidates, and thus provided a general, green and pratical protocol for the flexible
HETEROCYCLIC COMPOUND AND ORGANIC LIGHT EMITTING ELEMENT USING SAME
申请人:HEESUNG MATERIAL LTD.
公开号:US20190263834A1
公开(公告)日:2019-08-29
The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
Heterocyclic compound and organic light emitting element using same
申请人:LT MATERIALS CO., LTD.
公开号:US11248008B2
公开(公告)日:2022-02-15
The present application relates to a hetero-cyclic compound represented by Chemical Formula 1, and an organic light emitting device comprising the same.
作者:Edwin C Constable、Oliver Eich、Catherine E Housecroft、David C Rees
DOI:10.1016/s0020-1693(99)00483-1
日期:2000.4
Two new ligands designed to act as the core for metallostars based upon multiple bpy (bpy = 2,2'-bipyridine) metal-binding domains have been prepared. The first ligand 6 consists of a 1,3,5-triazine bearing three bpy metal-binding domains and was prepared inter alia using Stille methodology. All attempts to form complexes of 6 were unsuccessful. In contrast, a non-planar core compound based upon a tetraphenylmethane moiety bearing four bpy domains, also prepared using Stille couplings, was shown to form a tetraruthenametallostar complex containing four Ru(bpy)(3)} motifs. Each of the Ru(bpy)(3)} motifs is chiral, possessing Delta or Lambda chirality and detailed NMR studies indicate that the complex is formed with little or no diastereoselectivity leading to a mixture of diastereomers and a fuzzy stereochemistry. (C) 2000 Elsevier Science S.A. All rights reserved.