反应详情

17.5 g of β-amino-β-ethoxyacrylic acid ethyl ester and 13 g of 3-fluorobenzylhydrazine, on stirring for 5 hours in ethanol at 60° and working up as described in Example 1, yield 11.3 g, corresponding to 55% of theory, of the compound identified above as colorless crystals of melting point 129°.