 (0.00 g, 0 mmol) in dry pyridine (00 mL) was heated under reflux for overnight. After cooling the solid product was filtered, washed with water, dried, and recrystallized from ethanol-dioxane mixture (0:0) as yellow needles, yield 0.0 g (00%), m.p. 000--000 °C. IR (ν, cm^−0^): 0000 (NH), 0000, 0000 (CH aliph.), 0000 (C=O). ^0^H-NMR (000 MHz, DMSO-*d*~0~) δ (ppm): 0.00 (s, 0H, CH~0~), 0.00 (t, 0H, phenyl), 0.00 (t, 0H, phenyl), 0.00--0.00 (m, 0H, phenyl), 0.00--0.00 (m, 0H, phenyl), 0