反应详情

The compounds shown in the table which follows were prepared analogously to the procedure described in Example 17:No. Structural formula Recrystallization Yield, % Melting point from of theory °C__________________________________________________________________________18 Ethanol 54 147 From: 3,4-di-chlorobenzylhydrazine + (y)*19 Ethanol 43 120 From: 2-naphthyl-methylhydrazine + (y)*20 Ethanol 40 126 From: phenoxyethylhydrazine + (y)*__________________________________________________________________________ (y)* = β-amino-β-ethoxy-methacrylic acid ether ester?

1. customfollows were prepared analogously to the procedure
2. customStructural formula Recrystallization
3. customYield