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ACIE-A Metal-Bridged Tricyclic Aromatic System: Synthesis of Osmium Polycyclic Aromatic Complexes

2014-4-30 10:01| 发布者: Mcdull| 查看: 2190| 评论: 0|原作者: zcq340826|来自: 捷报频传

摘要: 3月12号投稿,9天后收到审稿意见,Reviewer #1: Highly important (top 20%); Reviewer #2: Very important (top 5%)。编辑直接接收。与前两篇文章(http://www.chem8.org/thread-122481-1-1.html; http://www.che ...
Authors:
Congqing Zhu, Qin Zhu, Jinglan Fan, Jun Zhu, Xumin He, Xiao-Yu Cao,* and Haiping Xia*

Journal: Angew. Chem. Int. Ed.

Year: 2014

FirstPage-LastPage: ASAP

DOI: 10.1002/anie.201403245

http://onlinelibrary.wiley.com/d ... .201403245/abstract

Keywords:

aromaticity;
density functional calculations;
metal carbyne;
metallapentalyne;
osmium


Abstract


Aromaticity is one of the most important concepts in organic chemistry. A variety of metalla-aromatic compounds have been recently prepared and in most of those examples, the metal participates only in a monocyclic ring. In contrast, metal-bridged bicyclic aromatic molecules, in which a metal is shared between two aromatic rings, have been less developed. Herein, we report the first metal-bridged tricyclic aromatic system, in which the metal center is shared by three aromatic five-membered rings. These metalla-aromatics are formed by reaction between osmapentalyne and arene nucleophiles. Experimental results and theoretical calculations reveal that the three five-membered rings around the osmium center are aromatic. In addition, the broad absorption bands in the UV/Vis absorption spectra of these novel aromatic systems cover almost the entire visible region. This straightforward synthetic strategy may be extended to the synthesis of other metal-bridged polycyclic aromatics.


3月12号投稿,9天后收到审稿意见,Reviewer #1: Highly important (top 20%); Reviewer #2: Very important (top 5%)。编辑直接接收。与前两篇文章(http://www.chem8.org/thread-122481-1-1.htmlhttp://www.chem8.org/thread-261296-1-1.html)动则半年一年的审稿修改历程相比,这篇实在是快的有点不可思议。

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