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A Chiral Thioxanthone as an Organocatalyst for Enantioselective [2+2] Photocycloaddition Reactions Induced by Visible Light
Author(s) -
Alonso Rafael,
Bach Thorsten
Publication year - 2014
Publication title -
angewandte chemie
Language(s) - English
Resource type - Journals
eISSN - 1521-3757
pISSN - 0044-8249
DOI - 10.1002/ange.201310997
Subject(s) - enantioselective synthesis , thioxanthone , chemistry , intramolecular force , photochemistry , organocatalysis , catalysis , absorption (acoustics) , combinatorial chemistry , organic chemistry , polymerization , materials science , polymer , composite material , photopolymer
Thioxanthone 1 , which was synthesized in a concise fashion from methyl thiosalicylate, exhibits a significant absorption in the visible light region. It allows for an efficient enantioselective catalysis of intramolecular [2+2] photocycloaddition reactions presumably by triplet energy transfer.