Acetic acid, 2-(triphenylphosphoranylidene)-, ethyl ester → HCID 12870481, compound

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Reaction Steps

A mixture of 0.75 g of 1-(1-formyl-1-methylethyl)imidazole (prepared as described hereafter), 1.80 g of ethoxycarbonylmethylidenetriphenylphosphorane and 9 ml of chloroform was stirred overnight at room temperature. After evaporation under reduced pressure, the residue was purified by column chromatography on silica gel using a mixture of chloroform and ethanol (49:1) as eluent to give 0.79 g of the title compound having the following physical characteristics:

Provenance & Evidence