反应详情

Ethyl 2-hydroxyimino-3-oxobutyrate (syn isomer, 40 g.), N,N-dimethylformamide (200 ml.), potassium carbonate (52 g.) and pentyl bromide (37.9 g.) were treated in a similar manner to that of Example F-(1) to give ethyl 2-pentyloxyimino-3-oxobutyrate (syn isomer, 57.5 g.), oil.