Direct synthesis of 2,4,5-trisubstituted imidazoles and di/tri-substituted pyrimidines via cycloadditions of α,β-unsaturated ketones/aldehydes and N′-hydroxyl imidamides
作者:Ping Wu、Xueguo Zhang、Baohua Chen
DOI:10.1016/j.tetlet.2019.03.025
日期:2019.4
di/trisubstituted pyrimidines via iron-catalyzed cross-dehydrogenative coupling (CDC), with excellent tolerance and yields, has been developed. In this report, α,β-unsaturatedaldehydes/ketones and N′-hydroxyl imidamides undergo [3+2] and [3+3] cycloadditions in two processes, involving iron-mediated Michael reaction, Robinson Annulation and 1,5-electrocyclization.
ORGANIC COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME
申请人:YEN FENG-WEN
公开号:US20210101883A1
公开(公告)日:2021-04-08
An organic compound is described. An organic electroluminescence device comprises the organic compound, as an electron transporting layer, or as a hole blocking layer. The organic compound of the following formula may lower a driving voltage or increase a current efficiency or a half-life of the organic electroluminescence device.
The same definition as described in the present invention.
NOVEL COMPOUND AND ORGANIC ELECTROLUMINESCENCE DEVICE INCLUDING THESAME
申请人:DOOSAN CORPORATION
公开号:US20150236272A1
公开(公告)日:2015-08-20
The present invention relates to a novel indole-based compound having excellent hole injection and transport capabilities, light-emitting capabilities, and the like, and an organic electroluminescence device which includes the indole-based compound in one or more organic material layers thereof so as to improve characteristics such as light-emitting efficiency, driving voltage, and lifespan.