Synthesis of Novel N-Heterocyclic Carbene-Oxazoline Palladium Complexes and Their Applications in Suzuki-Miyaura Cross-Coupling Reaction
摘要:
A series of novel N-heterocyclic carbene-oxazoline ligands were synthesized in six steps. Palladium complexes were obtained by deprotonation of the benzimidazole salts and subsequent ligation with Pd(OAc)(2) in THF. Different types of cyclic bis- and tetrapalladium complexes were achieved by modifying substituent of oxazoline group. The structures of these palladium complexes were characterized by NMR and X-ray diffraction analysis. Catalytic properties of these Pd-complexes were tested by Suzuki-Miyaura cross-coupling reaction.
Synthesis of Novel N-Heterocyclic Carbene-Oxazoline Palladium Complexes and Their Applications in Suzuki-Miyaura Cross-Coupling Reaction
摘要:
A series of novel N-heterocyclic carbene-oxazoline ligands were synthesized in six steps. Palladium complexes were obtained by deprotonation of the benzimidazole salts and subsequent ligation with Pd(OAc)(2) in THF. Different types of cyclic bis- and tetrapalladium complexes were achieved by modifying substituent of oxazoline group. The structures of these palladium complexes were characterized by NMR and X-ray diffraction analysis. Catalytic properties of these Pd-complexes were tested by Suzuki-Miyaura cross-coupling reaction.