期刊
TETRAHEDRON LETTERS
卷 50, 期 14, 页码 1614-1617出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.01.102
关键词
Dithienylethenes; Photochromism; Suzuki-coupling
资金
- Feodor Lynen-fellowship
- Alexander von Humboldt-foundation (Germany)
- Italian Scientific and Technological Research Ministry through FIRB [RBNE033KMA]
This Letter describes an efficient three-step synthesis route of symmetric and asymmetric phenyl-substituted photochromic 1,2-dithienylethenes bearing unprotected functional groups (i.e., alcohols, carboxylic acids or amines). These products can be easily obtained by typical Suzuki cross-coupling between photochromic dichlorides and commercial available boronic acids or pinacol esters. (C) 2009 Elsevier Ltd. All rights reserved.
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