异氰基乙酸乙酯 、
2-苄基丙烯醛 在
silica gel 、
ethyl acetate dichloromethane 作用下,
以5-(3-phenyl-propen-2-yl)-2-oxazoline-4carboxylic acid ethyl ester is obtained in the form of a colourless oil, 1H-NMR (CDCl3): 3.33 (s, 2H, CH2); 4.37 (dd, 1H, C(4)-H); 4.87 (s, 1H); 5.07 (dd, H, C(5)-H); 5.16 (s, 1H)的产率得到5-(3-phenyl-propen-2-yl)-2-oxazoline-4-carboxylic acid ethyl ester