期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 137, 期 33, 页码 10677-10682出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.5b05792
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资金
- Nanyang Technological University [M4080946.110, M4011372.110]
Chiral anion-controlled ion-pairing catalysis was demonstrated to be a wide-ranging strategy that can utilize a variety of cationic metal species. In a similar manner, we envision a complementary strategy using chiral cation in partnership with inorganic anionic metal salts. Herein, we report a chiral dicationic bisguanidinium-catalyzed asymmetric oxidation reaction of alkenes with potassium permanganate. Chiral induction is attributed to ion-pairing interaction between chiral cation and enolate anion. The success of the current permanganate oxidation reaction together with mechanistic insights should provide inspiration for expansion to other anionic metal salts and would open up new paradigms for asymmetric transition metal catalysis, phase-transfer catalysis, and ion-pairing catalysis.
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