Iodine(III)-Mediated, Controlled Di- or Monoiodination of Phenols
作者:Yuvraj Satkar、Luisa F. Yera-Ledesma、Narendra Mali、Dipak Patil、Pedro Navarro-Santos、Luis A. Segura-Quezada、Perla I. Ramírez-Morales、César R. Solorio-Alvarado
DOI:10.1021/acs.joc.9b00161
日期:2019.4.5
An oxidative procedure for the electrophilic iodination of phenols was developed by using iodosylbenzene as a nontoxic iodine(III)-based oxidant and ammonium iodide as a cheap iodine atom source. A totally controlled monoiodination was achieved by buffering the reaction medium with K3PO4. This protocol proceeds with short reaction times, at mild temperatures, in an open flask, and generally with high
通过使用碘基苯作为无毒的碘(III)基氧化剂和碘化铵作为廉价的碘原子源,开发了一种用于亲电子碘化苯酚的氧化方法。通过用K 3 PO 4缓冲反应介质来实现完全受控的单碘化。在温和的温度下,在开放的烧瓶中,该方案以较短的反应时间进行,并且通常收率很高。用富电子和贫电子的酚以及杂环探索了革兰氏反应以及该方案的范围。量子化学计算显示,PhII(OH)·NH 3是最可能的碘化活性物质,呈反应性“ I +synthon。鉴于碘代芳烃部分的相关性,我们在本文中提出了实用,有效和简单的方法,其具有允许进入碘代芳烃核心单元的宽泛的官能团范围。
Nitrogen-containing polycyclic compound and organic light emitting element using same
申请人:HEESUNG MATERIAL LTD.
公开号:US10177319B2
公开(公告)日:2019-01-08
The present application relates to a polycyclic compound including nitrogen and an organic light emitting device including the same.
本申请涉及一种含氮的多环化合物以及包括该化合物的有机发光装置。
ALUMINUM CHELATE COMPLEX FOR ORGANIC EL MATERIAL
申请人:MATSUO Shinji
公开号:US20100256377A1
公开(公告)日:2010-10-07
This invention provides an organic EL material useful for the emissive layer of an organic EL element which deteriorates little in luminance when operated over a prolonged period of time and shows excellent durability. The material is an aluminum chelate complex which is represented by general formula (1) in which Ar
1
is a mono- or bicylic arylene group, Ar
2
is a mono- or bicyclic aryl group, R
1
-R
6
are hydrogen or hydrocarbon groups containing 1-8 carbon atoms and contains a compound represented by general formula (1) in which Ar
2
is a halogen as an impurity in an amount of 350 wt ppm or less.