Catalytic Enantioselective Synthesis of Lactams through Formal [4 2] Cycloaddition of Imines with Homophthalic Anhydride

Catalytic Enantioselective Synthesis of Lactams through Formal [4 2] Cycloaddition of Imines with Homophthalic Anhydride: An amide‐thiourea compound, operating through a novel ion pairing mechanism, is an efficient organocatalyst for the asymmetric reaction of homophthalic anhydride with imines. N‐aryl and N‐alkyl imines...

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