Synlett 2015; 26(12): 1705-1709
DOI: 10.1055/s-0034-1379923
letter
© Georg Thieme Verlag Stuttgart · New York

Aerobic Photooxidative Synthesis of Secondary Aldimines from Benzylamines by Using Methylene Blue

Akifumi Okada
a   Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan   eMail: itoha@gifu-pu.ac.jp
,
Hiroki Yuasa
a   Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan   eMail: itoha@gifu-pu.ac.jp
,
Akitoshi Fujiya
a   Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan   eMail: itoha@gifu-pu.ac.jp
,
Norihiro Tada
a   Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan   eMail: itoha@gifu-pu.ac.jp
,
Tsuyoshi Miura
b   Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
,
Akichika Itoh*
a   Gifu Pharmaceutical University, 1-25-4, Daigaku-nishi, Gifu 501-1196, Japan   eMail: itoha@gifu-pu.ac.jp
› Institutsangaben
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Publikationsverlauf

Received: 12. März 2015

Accepted after revision: 30. April 2015

Publikationsdatum:
18. Juni 2015 (online)


Abstract

We have developed a concise oxidative coupling of primary benzylamines to yield secondary aldimines catalyzed by methylene blue by using molecular oxygen as the oxidant in the presence of visible-light irradiation from fluorescent lamps.