期刊
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
卷 59, 期 29, 页码 11808-11813出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.202002141
关键词
alkenes; cross-coupling; 1,2-difunctionalization; gold catalysis; pi-activation
资金
- Science and Engineering Research Board (SERB), New Delhi [EMR/2016/007177, DIA/2018/000016]
- UGC
- IISER Bhopal
Herein, we disclose the gold-catalyzed 1,2-diarylation of alkenes through the interplay of ligand-enabled Au-I/Au-III catalysis with the idiosyncratic pi-activation mode of gold complexes. Unlike the classical migratory-insertion-based approach to 1,2-diarylation, the present approach not only circumvents the formation of direct Ar-Ar ' coupling and Heck-type side products but more intriguingly demonstrates reactivity and selectivity complementary to those of previously known metal catalysis (Pd, Ni, or Cu). Detailed investigations to underpin the mechanistic scenario revealed oxidative addition of aryl iodides to an Au-I complex to be the rate-limiting step owing to the non-innocent nature of the aryl alkene.
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