2-Acetylaminophenylboronic acid pinacol ester

Conditions: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

Procedure: Using an adaptation of the method described in Procedure 16, substituting 4-(3-chloro-phenoxazin-10-yl)-piperidine-1-carboxylic acid tert-butyl ester, 2i, for 3-bromo-10-piperidin-4-yl-10H-phenothiazine, 5e, N-[2-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-phenyl]-acetamide for 3-pyridyl boronic acid, Cp2Fe(PtBu2)2PdCl2 for Pd(PPh3)4 and a 5:1 mixture of dioxane:water for NMP, the title compound 4-[3-(2-acetylaminophenyl)-phenoxazin-10-yl]-piperidine-1-carboxylic acid tert-butyl ester, 1j was obtained.