6-formyl-4-ethoxy-quinoline-3-carboxylic acid ethyl ester 、
2-((1R,2S)-2-phenyl-cyclopropylamino)-thiazol-4-one 以to give 4-ethoxy-6-[4-oxo-2-((1R,2S)-2-phenyl-cyclopropylamino)-4H-thiazol-(5Z)-ylidenemethyl]-quinoline-3-carboxylic acid ethyl ester的产率得到4-ethoxy-6-[4-oxo-2-((1R,2S)-2-phenyl-cyclopropylamino)-4H-thiazol-(5Z)-ylidenemethyl]-quinoline-3-carboxylic acid ethyl ester