期刊
CHEMICAL COMMUNICATIONS
卷 47, 期 3, 页码 1045-1047出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc02817g
关键词
-
资金
- National Natural Science Foundation of China [20872063, 21072100]
Chemoselective phosphine-catalyzed cascade [2 + 2 + 2] and [2 + 2 + 1] annulations between two molecules of 2-arylmethylidene cyanoacetates or malononitriles and one molecule of a, beta-unsaturated ketones have been developed. Under the nucleophilic catalysis of PPh3 or PBu3 (10 mol%), a highly diastereoselective synthesis of polysubstituted cyclohexanes or cyclopentenes has been successfully achieved, respectively.
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