4.5 Article

Nickel-Catalyzed Tandem Ring Contraction of TEMPO and C-N Bond Transamination of Enaminones toward Amino Diversity of Enaminones

Journal

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2022, Issue 26, Pages -

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.202200552

Keywords

Nickel catalysis; TEMPO; Ring contraction; Enaminones; Amino diversity

Funding

  1. National Natural Science Foundation of China [21562024]
  2. Natural Science Foundation of Jiangxi Province [20202BABL203008]

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The synthesis of 2,2-dimethyl pyrrolidine functionalized new enaminones through the reactions of N,N-substituted enaminones with TEMPO has been established by Ni(II) catalysis. The interesting ring contraction on TEMPO and the enaminone C-N bond amination provide new tools for generating molecular diversity of enaminones in the amino group fragment.
The reactions of N,N-substituted enaminones with TEMPO leading to the synthesis of 2,2-dimethyl pyrrolidine functionalized new enaminones have been established by Ni(II) catalysis. The interesting ring contraction on TEMPO as well as the enaminone C-N bond amination bring new tool for generating molecular diversity of enaminones in the amino group fragment.

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