期刊
ADVANCED SYNTHESIS & CATALYSIS
卷 359, 期 20, 页码 3585-3591出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/adsc.201700447
关键词
azomethine ylides; [3+2] cycloaddition; imidazoles; isocyanides; silver catalysis
资金
- NSFC [21672034]
- Natural Sciences Foundation of Jilin Province [20160101330JC]
- Shandong Normal University [108100801]
A silver-catalyzed aerobic oxidative [3+2] cycloaddition of azomethine ylides with aryl or heteroaryl isocyanides has been developed. The reaction represents a novel protocol for the efficient and practical synthesis of 1,2-diarylimidazoles bearing a broad range of substituents in good to excellent yields under mild conditions. The practicability of this cycloaddition was shown by a gram-scale synthesis and a double cycloaddition for the construction of highly conjugated polyarylimidazole systems.
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