期刊
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
卷 2013, 期 20, 页码 4434-4442出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201300342
关键词
Synthetic methods; Nitrogen heterocycles; Annulation; Phosphorus; Diastereoselectivity; Asymmetric catalysis
资金
- National Natural Science Foundation of China (NSFC) [21002068, 21172170, 21225208]
A highly regio- and diastereoselective phosphane-catalyzed [3+2] annulation of Morita-Baylis-Hillman (MBH) carbonates with cyclic N-acyl-substituted ketimines was developed. In the presence of the catalyst PBu3 (10 mol-%), a series of N-fused tricyclic products were obtained in excellent yields and diastereoselectivities under mild conditions. An example of a catalytic enantioselective annulation is also presented.
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