Figure 12

Heck and Buchwald–Hartwig amination reactions of chlorobenzene with n-butyl acrylate and aniline, respectively, catalyzed by γ-Fe2O3@MBD/Pd, γ-Fe2O3@MBD/Co, Fe2O3@MBD/Pd(OAc)2, γ-Fe2O3@MBD/CoCl2, physical mixture of γ-Fe2O3@MBD/Pd and γ-Fe2O3@MBD/Co, Pd(OAc)2, CoCl2.6H2O, and Fe2O3@MBD/Co3O4γ-Fe2O3@MBD/Co-Pd; Reaction conditions: (a) chlorobenzene (1 mmol), n-butyl acrylate (1.3 mmol), catalyst (0.05 mol% based on the Pd content or 0.21 mol% based on the Co content), Et3N (2 mmol), water (1 mL), 50 °C, (b) chlorobenzene (1 mmol), aniline (1.2 mmol), water (1 mL), catalyst (0.07 mol% based on the Pd content or 0.29 mol% based on the Co content), t-BuONa (2 mmol), water (1 mL), 80 °C.