Benzene → HCID 178503016, compound

Participants

Reaction Steps

The Wittig salt is prepared by reaction of triphenyl phosphine and ethyl-2-bromopropionate in benzene media at 70–75° C. for 8 hours and subsequent basification with 1N Sodium hydroxide to phenolphthalein end point at room temperature. Extraction with benzene, concentration of the benzene extract and the addition of petroleum ether (60–80° C.) yield triphenyl methyl carbethoxy methylene phosphorane as a solid product.

Provenance & Evidence