Abstract

AbstractEnantioselective Michael addition of oxazolones to in situ generated vinylogous imine intermediates is reported. A series of optically active 3‐alkylindole derivatives with adjacent quaternary and tertiary stereocenters was obtained. The resulting adducts can readily be converted into syn‐configured α,β‐disubstituted tryptophan derivatives without compromising the stereoselectivities.

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