1-cyano-1-ethoxycarbonyl-4-morpholino-4-phenyl-2-aza-1,3-butadiene 、 1-Cyano-1-methoxy-carbonyl-4-morpholino-4-phenyl-2-aza-1,3-butadiene 以3.7 parts of 1-cyano-1-methoxycarbonyl-4-amino-4-phenyl-2-aza-1,3-butadiene are obtained的产率得到4-Amino-1-cyan-1-methoxycarbonyl-4-phenyl-2-aza-1,3-butadien