Table 1.
Evaluation of Ligands for C(sp3)–H Arylation of Weinreb Amidea,b
Conditions: 1a (0.1 mmol), Pd(OAc)2 (10 mol%), Ligand (12 mol%), methyl 4-iodobenzoate (0.2 mmol), AgOAc (0.2 mmol), HFIP (0.5 mL), 70 °C, under air, 24 h.
The yield was determined by 1H NMR analysis of the crude product using CH2Br2 as the internal standard.
80 °C.
