Synlett 2007(11): 1675-1678  
DOI: 10.1055/s-2007-984515
LETTER
© Georg Thieme Verlag Stuttgart · New York

Aerobic Ruthenium-Catalyzed Oxidative Transformation of Secondary Amines to Imines

Shun-Ichi Murahashi*a,b, Yuriko Okanoa, Hideomi Satoa, Takahiro Nakaea, Naruyoshi Komiyaa
a Department of Chemistry, Graduate School of Engineering Science, Osaka University, 1-3 Machikaneyama, Toyonaka, Osaka 560-8531, Japan
b Department of Applied Chemistry, Faculty of Engineering, Okayama University of Science, 1-1 Ridaicho, Okayama 700-0005, Japan
Fax: +81(86)2564292; e-Mail: murahashi@high.ous.ac.jp;
Further Information

Publication History

Received 10 April 2007
Publication Date:
25 June 2007 (online)

Abstract

Aerobic, catalytic oxidation of secondary amines is ­performed efficiently in the presence of a diruthenium complex ­catalyst Ru2(OAc)4Cl to give the corresponding imines. The cata­lytic system is characterized by its high selectivity, activity, and ­operational simplicity.