Triethylamine → N-Methoxy-N-methyl-4-oxocyclohexanecarboxamide

Beteiligte Stoffe

Reaktionsschritte

To a solution of 4-oxocyclohexanecarboxylic acid (4.2 g, 0.0293 mol) in CH2Cl2 (20 mL) was added oxalyl chloride (5.2 g, 0.44 mol) slowly, stirred at room temperature for 1 hour and concentrated, then 20 mL CH2Cl2 was added, followed by addition of Et3N (9 g, 0.116 mol) and N,O-dimethylhydroxylamine hydrochloride (3.5 g, 0.0359 mol). The reaction mixture was stirred for 2 hours, and then 100 mL water was added. The mixture was extracted with ethyl acetate. The extract was concentrated and purified by column chromatography to give the desired product (2.1 g, 39% yield).

Herkunft & Nachweise