“…The experimental procedure followed for the synthesis of 2a using methyl 2-amino benzoate (1.10 g, 7.24 mmol) substrate produced 1.94 g (96% yield, 99.2% purity) as a white to light brown crystalline solid: mp 81−84 °C (lit. 41 mp 82−84 °C); 1 H NMR (400 MHz, DMSO-d 6 ) δ 7.93 (d, J = 2.1 Hz, 1H), 7.49 (d, J = 8.8 Hz, 1H), 6.79 (s, 2H), 6.65 (d, J = 8.8 Hz, 1H), 3.79 (s, 3H).…”