ethyl 6-(4-chlorophenyl)-2,4-dioxo-hex-5-enoate 、
乙酸铵 以
乙醇 为溶剂,
以to provide (2Z,5E)-2-amino-6-(4-chlorophenyl)-4-oxo-hexa-2,5-dienoic acid ethyl ester (8; 47 g, 86%) as a yellow solid的产率得到(2Z,5E)-2-amino-6-(4-chlorophenyl)-4-oxo-hexa-2,5-dienoic acid ethyl ester