Catalytic [4+2] Cyclization of α,β‐Unsaturated Acyl Chlorides with 3‐Alkylenyloxindoles: Highly Diastereo‐ and Enantioselective Synthesis of Spirocarbocyclic Oxindoles

2013

This method yields the title compounds with high diastereoselectivities and good enantioselectivities (up to 93% e.e.).

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