Synthesis, characterization and optical properties of merocyanines derived from malononitrile dimer

被引：23
|
作者：
Alias, Silvia
Andreu, Raquel
Angel Cerdan, Miguel
Franco, Santiago
Garin, Javier [1 ]
Orduna, Jesus
Romero, Pilar
Villacampa, Belen
机构：
[1] Univ Zaragoza, CSIC, ICMA, Dept Quim Organ, E-50009 Zaragoza, Spain
[2] Univ Zaragoza, CSIC, ICMA, Dept Fis Mat Condensada, E-50009 Zaragoza, Spain
来源：
TETRAHEDRON LETTERS | 2007年 / 48卷 / 37期
关键词：
malononitrile dimer; merocyanines; proaromaticity; nonlinear optics;
D O I：
10.1016/j.tetlet.2007.07.048
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
The reaction between malononitrile dimer and 1,3-dithiole-derived polyenals affords push-pull systems with (Z)-geometry around the newly formed C=C bond. In one instance, an unexpected shortening of the merocyanine chain takes place. These push-pull derivatives have weakly alternated structures and moderate optical nonlinearities, which can be modified by functionalization of the amino group. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：6539 / 6542
页数：4
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