Acetic Anhydride → HCID 67298391, compound

Participants

Reaction Conditions

Reaction Steps

To a solution of 6-bromo-N-methyl-2-(pyridin-3-yl)quinazolin-4-amine (1.20 g, 3.81 mmol) in acetic acid (10 mL) was added acetic anhydride (1.94 g, 19.0 mmol) and stirred at 195° C. using microwave for 6 h. The reaction mixture was checked by LC-MS, no starting material was observed, ice was added into the reaction. The precipitate was collected by filtration and washed with water. The product was dried at 60° C. to give N-(6-bromo-2-(pyridin-3-yl)quinazolin-4-yl)-N-methylacetamide (711 mg, 52%) as a light brown powder. 1H NMR (300 MHz, CDCl3) δ 9.76 (dd, J=2.2, 0.8 Hz, 1H), 8.85-8.79 (m, 1H), 8.76 (dd, J=4.8, 1.7 Hz, 1H), 8.09 (dd, J=1.8, 0.8 Hz, 1H), 8.05-8.01 (m, 2H), 7.46 (ddd, J=8.0, 4.8, 0.8 Hz, 1H), 3.52 (s, 3H), 2.11 (s, 3H).

Provenance & Evidence