e hydrochloride (0.0 g, 0 mmol), and sodium acetate (0.0 g, 0 mol) in ethanol (00 mL) was heated under reflux for 0 h. After cooling, the product was filtered, washed with water, and recrystallized from dioxane-water mixture (0:0) as yellow crystals, yield 0.00 g (00%), m.p. 000--000 °C. IR (ν, cm^−0^): 0000, 0000 (NH~0~