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A Palladium Pincer Complex for Additional Reactions of Imine Derivatives
[Bz-Phebim]Pd-Br (1) is a palladium pincer complex, the palladium center of which connects to benzene directly with coordination of two chiral imidazoles. 1 is used as a catalyst for enantioselective reactions of imine derivatives.1) For instance, enantioselective aza-Morita-Baylis-Hillman reactions2) of acrylonitrile, and decarboxylative cyanomethylations3) using cyanoacetic acid afford the related β-aminonitrile derivatives, respectively. These β-aminonitrile derivatives can be converted into β-amino acids or 1,3-diamines. Thus it is expected to use them as chiral building blocks.
References
- 1)Enantioselective Reaction of Imines and Benzyl Nitriles Using Palladium Pincer Complexes with C2-Symmetric Chiral Bis(imidazoline)s
- 2)Enantioselective Aza-Morita–Baylis–Hillman Reactions of Acrylonitrile Catalyzed by Palladium(II) Pincer Complexes having C2-Symmetric Chiral Bis(imidazoline) Ligands
- 3)Catalytic Enantioselective Decarboxylative Cyanoalkylation of Imines by Using Palladium Pincer Complexes with C2-Symmetric Chiral Bis(imidazoline)s
