Organocatalytic Asymmetric Allylic Alkylation of Morita–Baylis–Hillman Carbonates with Diethyl 2-Aminomalonate Assisted by In Situ Protection.

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Next One:L-Pyroglutamic Sulphonamide as Hydrogen-Bonding Organocatalyst: Enantioselective Diels–Alder Cyclization to Construct Carbazolespirooxindoles.