3-乙烯基苯胺 、
丁炔二酸二乙酯 、 在
氘代二甲亚砜 、 3H 、 CH3 、 2H 、 =CH2 、 1H 、 6-H 、 7-H 、 3-H 、 8-H 、 5-H 作用下,
以gave ethyl 5-ethenyl-4-oxo-1,4-dihydroquinoline-2-carboxylate (0.16 g), mp 168°-170° C., δ (360 MHz, DMSO-d6) 1.37 (3H, t, CH3), 4.41 (2H, q, CH2), 5.25 and 5.55 (2H, 2dd, =CH2), 6.56 (1H, s, 3H), 7.38 (1H, d, 6-H), 7.62 (1H, t, 7-H), 7.90 (1H, d, 8-H), 8.15 (1H, 2d, CH=) and 11.87 (1H, bs, NH) and ethyl 7-ethenyl-4-oxo-1,4-dihydroquinoline-2-carboxylate (0.46 g), mp 177°-179° C., δ (360 MHz, DMSO-d6) 1.37 (3H, t, CH3),4.42 (2H, q, CH2), 5.47 and 5.99 (2H, 2d, =CH2), 6.65 (1H, bs, 3-H), 6.84 (1H, 2d, CH=), 7.54 (1H, d, 6-H) and 7.93 (1H, s, 8-H), 8.04 (1H, d, 5-H), 11.97 (1H, bs, NH)的产率得到ethyl 5-ethenyl-4-oxo-1,4-dihydroquinoline-2-carboxylate