Chloroacetyl chloride → 6-Bromo-2-chloromethyl-3-(2-chlorophenyl)-3H-quinazolin-4-one

Beteiligte Stoffe

Reaktionsschritte

Prepared according to Procedure B with 1b (500 mg, 1.54 mmol) and chloroacetyl chloride (0.37 mL, 4.61 mmol) in acetic acid (10 mL). Purified by recrystallization from isopropanol to afford 490 mg of an off-white solid (83%). 1H NMR (CDCl3) δ: 8.43 (d, J=2.3 Hz, 1H); 7.91 (dd, J=2.3, 8.7 Hz, 1H); 7.67 (d, J=8.7 Hz, 1H); 7.60-7.65 (m, 1H); 7.47-7.56 (m, 2H); 7.52 (t, J=5.3 Hz, 1H); 7.47-7.56 (m, 1H); 4.37 (d, J=12 Hz, 1H), 4.06 (d, J=12 Hz, 1H). MS (ES): m/z 385.0 (M+).

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