... So this model was synthesized as follows. ... 1.28mmo1) is added to a stirred solution of 5-amino derivative 14 SYNTHESIS (300 mg, 1.29 mmol) in 0.3 N HCl (10 mL) at U"'('. The ... ocn_.); 4.03 (1, 3H, OCH,); 4.06 (5, 3 H, or;:u,); 7.06 (ti, 1 ii, 1 = as 1-12); 1.02 ((1, 1 H, J= at» Hz); 7.21 ...