期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 55, 期 43, 页码 13514-13518出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201607529
关键词
azobenzenes; diazonium salts; lithiation; photochromism; red shift
资金
- NanoNed
- Netherlands Organization for Scientific Research (NWO-CW, Top grant)
- Netherlands Organization for Scientific Research (NWO-CW, VIDI grant) [723.014.001]
- Royal Netherlands Academy of Arts and Sciences Science (KNAW)
- Ministry of Education, Culture and Science [024.001.035]
- European Research Council [694435]
A straightforward synthesis of azobenzenes with bathochromically-shifted absorption bands is presented. It employs an ortho-lithiation of aromatic substrates, followed by a coupling reaction with aryldiazonium salts. The products are obtained with good to excellent yields after simple purification. Moreover, with the presented methodology, a structurally diverse panel of different azobenzenes, including unsymmetric tetra-ortho-substituted ones, can be readily obtained, which paves the way for future development of red-light-addressable azobenzene derivatives for in vivo application.
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