A highly diastereoselective three-component tandem 1,4-conjugate addition-cyclization reaction of diazoacetophenones with anilines and unsaturated ketoesters was developed. The reaction provides general, easy, and highly efficient access to multisubstituted pyrrolidines in good yield with high diastereoselectivity.
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http://dx.doi.org/10.1039/c2ob06760a | DOI Listing |
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