A family of new chiral β-diketiminato-type ligands containing
oxazoline moiety has been synthesized in moderate to high yields
(typically 30-95%) via a Pd-catalyzed amination
reaction of chiral oxazolines with primary amines and amides. Notably,
(S)-tert-butylsulfinamide
was successfully incorporated into the ligand framework as a coupling
partner in amination. Due to the readily available pool of chiral
building blocks, this represents a facile and modular approach for
synthesizing libraries of novel chiral β-diketiminato-type
ligands, with potential applications in asymmetric catalysis.
chiral auxiliaries - ligands - chirality - nitrogen - amination - palladium