反应详情

A mixture of ethyl 2-hydroxyimino-3-oxobutyrate (syn isomer, 15.7 g.), 2-bromoethyl benzoate (27.5 g.), potassium carbonate (20.7 g.), N,N-dimethylformamide (25 ml.) and ethyl acetate (25 ml.) was treated in a similar manner to that of Example A-(1) to give ethyl 2-(2-benzoyloxyethoxyimino)-3-oxobutyrate (syn isomer, 28 g.).

1. additionwas treated in a similar manner to that of Example A-(1)