Carbon tetrabromide → HCID 178455712, compound

Participants

Reaction Steps

148 g of carbon tetrabromide was dissolved in ml of dichloromethane, and 93 g of triphenylphospine was added at 0° C. or less. Next, 48.6 g of 4-(trans-4'-ethylcyclohexyl)benzaldehyde was dissolved in 225 ml of dichloromethane, which then was added dropwise to the first dichloromethane solution over a period of one hour. The combined solutions were then agitated at room temperature for one hour. After completion of the reaction, the dichloromethane was distilled off, and 500 ml of hexane was added to the residue. The resulting crystals were filtrated and further washed with hexane three times. The residue was subjected to recrystallization with hexane to obtain 52 g of 4-(trans-4'-ethylcyclohexyl)-β,β-dibromostyrene.

Provenance & Evidence