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Synthesis and Photoluminescence Behavior of π-Conjugated 3-Substituted Isoquinoline Derivatives

Author(s):

Qiufei Hou, Jiajie Wu, Jiemei Liang, Hongfu Liu, Yuqing He, Rui Zhang, Hua Cheng, Cheng Chen* and Dayong Peng   Pages 1 - 10 ( 10 )

Abstract:


In this work, a series of π-conjugated isoquinoline derivatives bearing diverse aryl groups at the 3-position were synthesized in a facile and straightforward manner. A Pd-catalyzed protocol, namely the Suzuki-Miyaura coupling of 3- bromoisoquinoline and different arylboronic acids, was applied, and the structures of the resulting target compounds were determined by 1H-NMR, 13C-NMR and HRMS. Furthermore, the photophysical properties of these compounds were investigated. Distinct halochromic properties were revealed for them, which exhibited UV emissions in ethanol but visible emissions in an acidic solution.

Keywords:

Halochromic, isoquinoline derivatives, luminescence, photophysics, Suzuki-Miyaura coupling, protonated.

Affiliation:

Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, Department of Chemical Engineering and Food Science, Hubei University of Arts and Science, Xiangyang 441053, State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, College of Science, Jiangxi Agricultural University, Nanchang 330045



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