反应详情

Ethyl 2-propargyloxyimino-3-oxobutyrate (syn isomer, 71.2 g.), acetic acid (81 ml.) and sulfuryl chloride (50.2 g.) were treated in a similar manner to that of Example F-(2) to give ethyl 4-chloro-3-oxo-2-propargyloxyiminobutyrate (syn isomer, 61.6 g.), oil.