A visible-light-induced “on–off” one-pot synthesis of 3-arylacetylene coumarins with AIE properties

文献情報

出版日 2020-04-08

DOI 10.1039/D0OB00479K

インパクトファクター 3.876

著者

Xinjie Wu, Ming Jia, Mengmeng Huang, Jung Keun Kim, Zheng Zhao, Junkai Liu, Jinhu Xi, Yabo Li, Yangjie Wu

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要旨

A mild and simple one-pot stepwise method to synthesize 3-arylacetylene coumarins from alkynoates was demonstrated. This catalytic system involves photosensitizer-free photocatalysis and thermocatalysis processes. A series of alkynoates and phenylacetylenes were well tolerated in the optimized multi-catalytic system. The corresponding 3-arylacetylene coumarins were obtained in moderate to excellent yields. The results of the studies of their optical properties showed that the aromatic ring at the C4-position of coumarins is unfavorable for improving the molecular fluorescence quantum yield in solution. Based on the spectral studies and X-ray single crystal diffraction analysis, it was found that AIE activities may exist in some of the 3-arylvinyl-4-aryl-coumarins in their solid state. We expect that these molecules may have potential optical applications.

掲載誌

Organic & Biomolecular Chemistry

CiteScore: 3.4

自己引用率: 10.3%

年間論文数: 1041

Organic & Biomolecular Chemistry (OBC) publishes original and high impact research and reviews in organic chemistry. We welcome research that shows new or significantly improved protocols or methodologies in total synthesis, synthetic methodology or physical and theoretical organic chemistry as well as research that shows a significant advance in the organic chemistry or molecular design aspects of chemical biology, catalysis, supramolecular and macromolecular chemistry, theoretical chemistry, mechanism-oriented physical organic chemistry, medicinal chemistry or natural products. Articles published in the journal should report new work which makes a highly-significant impact in the field. Routine and incremental work is generally not suitable for publication in the journal. More details about key areas of our scope are below. In all cases authors should include in their article clear rationale for why their research has been carried out.

A visible-light-induced “on–off” one-pot synthesis of 3-arylacetylene coumarins with AIE properties

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