期刊
CHEMISTRY-AN ASIAN JOURNAL
卷 6, 期 9, 页码 2224-2239出版社
WILEY-BLACKWELL
DOI: 10.1002/asia.201100108
关键词
C-C coupling; cycloaddition; cyclobutanone; electrophilic; lactams
资金
- Deutsche Forschungsgemeinschaft [MA4861/1-1]
- Alexander von Humboldt-Foundation
- Fonds der Chemischen Industrie
- Max-Planck Society
- Max-Planck Institut fur Kohlenforschung
Keteniminium salts are powerful electrophilic heterocumulene reagents well-known for their selectivity and stereocontrol in [2+2] cycloadditions to olefins and carbonyl derivatives. Furthermore, they are readily accessible from stable and simple precursors under a variety of different conditions. Herein, we present the chemistry of keteniminium salts with the hindsight of time, describe preparation methods, recent [2+2] chemistry, mechanistic studies, and assorted applications that significantly extend the scope of utility of these unique electrophilic heterocumulenes.
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