Enantioselective cis-β-lactam synthesis by intramolecular C–H functionalization from enoldiazoacetamides and derivative donor–acceptor cyclopropenes
Michael P. Doyle*b
a Key Laboratory of Organic Synthesis of Jiangsu Province, College of Chemistry, Chemical Engineering and Materials Science, Soochow University, Suzhou 215123, China
b Department of Chemistry and Biochemistry, University of Maryland, College Park, USA
Chem. Sci. 2015, 6, 2196-2201
β-Lactam derivatives are produced through intermediate donor–acceptor cyclopropene intermediates in high yield, exclusive cis-diastereoselectivity, and high enantiocontrol in a chiral dirhodium carboxylate catalyzed intramolecular C–H functionalization reaction of enoldiazoacetamides.

链接:
http://pubs.rsc.org/en/Content/ArticleLanding/2015/SC/c4sc03991b#!divAbstract