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Immobilization and Continuous Recycling of Photoredox Catalysts in Ionic Liquids for Applications in Batch Reactions and Flow Systems: Catalytic Alkene Isomerization by Using Visible Light
Author(s) -
Fabry David C.,
Ronge Meria A.,
Rueping Magnus
Publication year - 2015
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201406653
Subject(s) - isomerization , catalysis , alkene , photocatalysis , ionic liquid , photochemistry , photoredox catalysis , visible spectrum , ionic bonding , chemistry , continuous flow , batch reactor , chemical engineering , materials science , organic chemistry , optoelectronics , ion , physics , mechanics , engineering
A catalytic ( E )‐ to ( Z )‐isomerization of olefins using a photoredox catalyst under mild reaction conditions is presented. A variety of ( Z )‐alkenes can be prepared in the presence of visible light. A new reaction system allows an easy and efficient scale‐up, as well as a continuous flow process in which the photocatalyst is immobilized in an ionic liquid and continuously recycled by simple phase separation.