Intermolecular coupling and intramolecular cyclization of aryl nitriles on Au(111)
作者:Henning Klaasen、Lacheng Liu、Hong-Ying Gao、Lena Viergutz、Philipp A. Held、Tobias Knecht、Xiangzhi Meng、Melanie C. Börner、Dennis Barton、Saeed Amirjalayer、Johannes Neugebauer、Armido Studer、Harald Fuchs
DOI:10.1039/c9cc03418h
日期:——
The on-surface dimerization reaction of an organic nitrile on Au(111) is reported. The reaction cascade yielding a diazapyrene core was investigated by scanning tunneling microscopy, computational studies and reference compounds.
Dicyanoaromatic radical anions as mixed valence species
作者:Álvaro Moneo、M. Fernanda N. N. Carvalho、João P. Telo
DOI:10.1002/poc.2905
日期:2012.7
The reduction of nine symmetric dicyanoaromatic radicalanions by sodium amalgam in the presence of cryptand[2.2.2] was studied using cyclic voltammetry and using optical and electron paramagnetic resonance (EPR) spectroscopies in two aprotic solvents. All radicals are charge‐delocalized (Class III) mixedvalence species, as shown by the weak solvatochromism of their low‐energy optical bands and by
Chemistry of Anthracene–Acetylene Oligomers. II. Synthesis, Structure, and Properties of 1,8-Anthrylene–Ethynylene Cyclic Tetramers and Related Acyclic Oligomers
The title π-conjugated oligomers consisting of anthracene and acetylene units were synthesized to construct a new type of three-dimensional organic architecture. An acyclic chain was extended by th...
合成了由蒽和乙炔单元组成的标题π共轭低聚物,构建了一种新型的三维有机结构。一个无环链通过...
Chemistry of Anthracene–Acetylene Oligomers. XIV. Convenient Synthesis of Anthrylethynes by Double Elimination Reaction from Aldehydes and Sulfones
Three dianthrylethynes and an anthracene―acetylene trimer were conveniently synthesized by double elimination reactions starting from anthraldehydes and [(phenylsulfonyl)methyl]anthracenes. In the optimal one-shot process, a THF solution of these substrates and diethyl chlorophosphate was treated with LiHMDS at room temperature to give the desired alkynes in excellent yields without chromatographic
从蒽醛和[(苯磺酰基)甲基]蒽开始,通过双消除反应方便地合成了三个二蒽乙炔和一个蒽-乙炔三聚体。在最佳的一次性工艺中,这些底物和氯磷酸二乙酯的 THF 溶液在室温下用 LiHMDS 处理,以优异的收率得到所需的炔烃,无需色谱纯化。中间体乙烯基砜之一的结构通过 X 射线晶体学确定。
Disilanyl Double-Pillared Bisanthracene: A Bipolar Carrier Transport Material for Organic Light-Emitting Diode Devices
A step for “two‐in‐one”! A steplike molecule (see picture) was synthesized as a carriertransportmaterial for layered OLED devices. This double‐pillared molecule combines the π system of aromatic hydrocarbons with the σ system of silicon in a single structure and transports both holes and electrons in a device.