5-[2-(2-氯苯基)乙烯基]-3-甲基-4-硝基-1,2-恶唑 、
N-[3-Methyl-5-((Z)-styryl)-isoxazol-4-yl]-malonamic acid ethyl ester 在
1-butyl-3-methylimidazolium hydroxide 作用下,
反应 0.5h,
以85%的产率得到ethyl 3-(2-chlorophenyl)-4-(3-methyl-4-nitroisoxazol-5-yl)-2-((3-methyl-5-styrylisoxazol-4-yl)carbamoyl)butanoate