**): Yield 0.00 g (00%), m.p. 000--000 °C. IR (ν, cm^−0^): 0000 (CH arom.), 0000, 0000 (CH aliph.), 0000 (C=O); ^0^H-NMR (000 MHz, CDCl~0~) δ (ppm): 0.00 (s, 0H, CH~0~), 0.00 (s, 0H, CH~0~), 0.00 (d, *J* = 0.0 Hz, 0H, 