Ethanol → HCID 53766880, compound

Participants

Reaction Steps

To a solution of ethyl 2-vinyloxyimino-3,3-ethylenedioxybutyrate (syn isomer)(l5 g) and benzyltriethylammonium chloride (164 mg) in a mixture of methylene chloride (13 ml), bromoform (11.4 ml) and ethanol (0.65 ml) was added 50% aqueous solution of sodium hydroxide (105 ml) under ice-cooling. The mixture was stirred for 1 hour at the same temperature and allowed to be stirred at ambient temperature overnight. The mixture was extracted with diethyl ether. The extract was washed with water, dried over magnesium sulfate and concentrated in vacuo. The residue was subjected to column chromatography on silica gel using a mixture of chloroform and ethyl acetate (4:1 V/V) as an eluent to give ethyl 2-(2,2-dibromocyclopropyloxyimino)-3,3-ethylenedioxybutyrate (syn isomer)(15.4 g) as an oil.

Provenance & Evidence