One-Pot Synthesis of Pyranocoumarins via Microwave-Assisted Pseudo Multicomponent Reactions and Their Molecular Switching Properties

Two new pyranocoumarins were synthesized via one-pot, microwave-assisted pseudo multicomponent condensations of coumarin and 4-methylquinoline to investigate their molecular switching properties. Both are light-sensitive and have a distinct change of color upon UV irradiation. The reaction can be re...

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Bibliographic Details
Published in:Organic letters 2012-03, Vol.14 (5), p.1190-1193
Main Authors: Li, Kuan-Ting, Lin, Yong-Bo, Yang, Ding-Yah
Format: Article
Language:English
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Summary:Two new pyranocoumarins were synthesized via one-pot, microwave-assisted pseudo multicomponent condensations of coumarin and 4-methylquinoline to investigate their molecular switching properties. Both are light-sensitive and have a distinct change of color upon UV irradiation. The reaction can be reverted by treating the photogenerated products with imidazoline-functionalized magnetic nanoparticles, which can be swiftly recycled with an external permanent magnet.
ISSN:1523-7060
1523-7052
DOI:10.1021/ol203229z