反应详情

Prepared according to Procedure A using 2-amino-6-chlorobenzoic acid (2.5 g, 14.6 mmol) and SOCl2 (2.7 mL, 36.4 mmol) in benzene (75 mL), followed by 2-chloroaniline (3.1 mL, 29.1 mmol) and CHCl2 (75 mL). The product chromatographed in CH2Cl2 is to provide 1.05 g of a yellow orange solid (26%). 1H NMR (CDCl3) δ: 8.54 (d, J=8.1 Hz, 1H); 8.30 (br s, 1H); 7.41 (dd, J=1.5, 8.0 Hz, 1H); 7.33 (t, J=7.8 Hz, 1H); 7.10 (t, J=8.1 Hz, 1H); 7.09 (dt, J=1.6, 7.8 Hz, 1H); 6.78 (dd, J=0.4, 7.9 Hz, 1H); 6.63 (dd, J=0.9, 8.2 Hz, 1H); 4.69 (br s, 2H). MS (ES): m/z 303.0 (M+22), 281.0 (M+).

1. customPrepared
2. customThe product chromatographed in CH2Cl2