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Catalytic Aerobic Photo‐oxidation of a Methyl Group on a Heterocycle to Produce an Aldehyde via Homolytic CI Bond Cleavage caused by Irradiation with Visible Light
Author(s) -
Nagasawa Y.,
Tachikawa Y.,
Yamaguchi E.,
Tada N.,
Miura T.,
Itoh A.
Publication year - 2016
Publication title -
advanced synthesis and catalysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.541
H-Index - 155
eISSN - 1615-4169
pISSN - 1615-4150
DOI - 10.1002/adsc.201500811
Subject(s) - chemistry , benzothiazole , aldehyde , benzoxazole , oxidizing agent , homolysis , catalysis , quinoline , photochemistry , bond cleavage , radical , organic chemistry , polymer chemistry
Abstract A new catalytic method was developed for photo‐oxidizing the methyl group on aromatic heterocycles such as benzothiazole, benzoxazole, and quinoline to produce the corresponding aldehyde. This is the first report of the metal‐free catalytic synthesis of benzothiazole‐2‐carboxaldehydes using molecular oxygen as the terminal oxidant.