反应详情

Ethyl 2-pentyloxyimino-3-oxobutyrate (syn isomer, 57.5 g.), acetic acid (58.5 ml.) and sulfuryl chloride (20.9 ml.) were treated in a similar manner to that of Example F-(2) to give ethyl 2-pentyloxyimino-4-chloro-3-oxobutyrate (syn isomer, 51.1 g.), oil.