methyl 2-ethoxycarbonylorthoacetate 、
溶剂黄146 、
2,4,6-trimethyl-3-nitrophenylhydrazine 在
甲醇 作用下,
以
甲醇 为溶剂,
反应 18.33h,
以14.4 g of β-methoxy-β-(3-nitro-2,4,6-trimethylphenylhydrazino)-acrylic acid ethyl ester of melting point 82° - 83° C. are obtained的产率得到β-Methoxy-β-(3-nitro-2,4,6-trimethylphenylhydrazino)acrylsaeureethylester