... The deposited volume of the drop was 3.0 μL with a dropping rate of 0.1 μL/s using a syringe pump. ... (Yield 90%). 1 H NMR (250 MHz, CDCl 3 ) δ (ppm): 7.15 (d, J = 8.6 Hz, 2H, C ar –H), 7.05 (d, J = 8.6 Hz, 2H, C ar –H), 6.33 (p, J = 1.0 Hz, 1H, (CH 3 )–CH═CHH), 5.75 (p, J = 1.5 ...