Stable Push-Pull Disilene: Substantial Donor-Acceptor Interactions through the Si=Si Double Bond

被引：45
|
作者：
Kosai, Tomoyuki [1 ]
Iwamoto, Takeaki [1 ]
机构：
[1] Tohoku Univ, Grad Sch Sci, Dept Chem, Aoba Ku, Sendai, Miyagi 9808578, Japan
来源：
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 2017年 / 139卷 / 50期
关键词：
DISILYNE RSISIR R; BORYL-SUBSTITUTED DISILENES; MAIN-GROUP ELEMENTS; SI DOUBLE-BONDS; COPLANAR OLIGO(P-PHENYLENEDISILENYLENE)S; MULTIPLE BONDS; SINGLE BOND; ACTIVATION; DIHYDROGEN; MOLECULE;
D O I：
10.1021/jacs.7b09989
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The push-pull effect has been widely used to effectively tune pi-electron systems. Herein, we report the synthesis and properties of 1-amino-2-boryldisilene 1 as the first push-pull disilene. Its spectroscopic and structural features show substantial interactions between the Si = Si double bond and the amino and boryl substituents. The pi -> pi* absorption band of 1 is remarkably red-shifted compared to that of the corresponding alkyl-substituted disilene 2. Treatment of 1 with H-2 resulted in the cleavage of two molecules of H-2 under concomitant formation of the corresponding trihydridodisilane and hydroborane.
引用
收藏
页码：18146 / 18149
页数：4
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