期刊
ORGANIC LETTERS
卷 18, 期 19, 页码 5174-5177出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.orglett.6b02697
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资金
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [NRF-2015R1A5A1008958, NRF-2015-R1C1A2A01053504]
- National Research Foundation of Korea [2015R1A5A1008958] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
A modular aerobic oxidation of amines to imines has been achieved using an ortho-naphthoquinone (o-NQ) catalyst. The cooperative catalyst system of o-NQ and Cu(OAc)(2) enabled the formation of homocoupled imines from benzylamines, while the presence of TFA helped the formation of cross-coupled imines in excellent yields. The current mild aerobic oxidation protocol could also be applied to the oxidation of secondary amines to imines or ketimines with the help of cocatalyst, Ag2CO3, with excellent yields.
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