期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 57, 期 48, 页码 15841-15846出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201809400
关键词
cross-coupling; copper; peptides; photochemistry; radicals
资金
- NSFC [21432003]
- Fundamental Research Funds for the Central Universities [lzujbky-2017-127, lzujbky-2018-k9]
Despite a well-developed and growing body of work in Cu catalysis, the potential of Cu to serve as a photocatalyst remains underexplored. Reported herein is the first example of visible-light-induced Cu-catalyzed decarboxylative C(sp(3))-H alkylation of glycine for preparing alpha-alkylated unnatural alpha-amino acids. It merits mentioning that the mild conditions and the good functional-group tolerance allow the modification of peptides using this method. The mechanistic studies revealed that a radical-radical coupling pathway is involved in the reaction.
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