Structures, Dynamic Behavior, and Spectroscopic Properties of 1,8-Anthrylene–Ethenylene Cyclic Dimers and Their Substituent Effects
作者:Masataka Inoue、Tetsuo Iwanaga、Shinji Toyota
DOI:10.1246/bcsj.20150245
日期:2015.11.15
Cyclic compounds consisting of two 1,8-anthrylene units and two ethenylene linkers were studied as π-conjugated compounds. Three derivatives having substituents (H, Me, and Ph) at the linker moieti...
1,8-Diiodoanthracene was synthesized from 1,8-dichloroanthraquinone in three steps by improved procedures in 41% overall yield. Some anthracene derivatives carrying multiple phenylethynyl groups were synthesized from 1,8-diiodoanthracene and 4,5-diiodo-9-anthrone.
Chemistry of Anthracene–Acetylene Oligomers: Synthesis and Enantiomeric Resolution of a Chiral 1,8-Anthrylene–Ethynylene Cyclic Tetramer
作者:Shinji Toyota、Shinya Suzuki、Michio Goichi
DOI:10.1002/chem.200501111
日期:2006.3.8
new type of chiral pi-conjugated system, the title anthracene-acetyleneoligomer containing two octyl groups at position 10 of 1,2-alternating anthracene groups was synthesized. Each anthracene unit was connected by Sonogashira coupling, and the tetrameric precursor was cyclized by a cross-coupling reaction to form the desired C2-symmetric compound. Its enantiomers were resolved by chiral HPLC with a
Nonplanar and Dynamic Structures of 1,8-Anthrylene–Ethenylene Cyclic Dimers
作者:Masataka Inoue、Tetsuo Iwanaga、Shinji Toyota
DOI:10.1246/cl.130765
日期:2013.12.5
The title cyclic compounds, synthesized by cross-coupling reactions, have nonplanar frameworks, as revealed by X-ray analysis and DFT calculations. The barrier to exchange between the nonplanar str...
X 射线分析和 DFT 计算表明,通过交叉偶联反应合成的标题环状化合物具有非平面框架。非平面结构之间交换的障碍...
Chemistry of Anthracene–Acetylene Oligomers. XIX. Construction of Higher 1,8-Anthrylene–Alkynylene Macrocycles: Synthesis, Structures, and Conformational Analysis of Cyclic Hexamer and Dodecamer
Macrocyclic 1,8-anthrylene hexamer and dodecamer with acetylene and diacetylene linkers were synthesized by the metal-catalyzed cyclization of an acyclic hexamer with terminal alkyne units, and cha...