Methacrolein → HCID 15017964, compound

Participants

Reaction Conditions

Reaction Steps

A solution of bis(3-fluorophenyl)diazomethane, prepared as in Example 84 by the action of activated manganese dioxide (33 g) on 3,3'-difluorobenzophenone hydrazone (21.76 g) in dichloro-methane (105 mL), was added to a solution of methacrolein (15 mL) in hexane (100 mL). The mixture was heated at 43° C. for 20 hours then the amber solution was evaporated in vacuo. The crude solid was triturated with hexane to yield 23.1 g of 2,2-bis(3-fluorophenyl)-1-methylcyclopropanecarboxaldehyde, mp 92°-93° C. Recrystallization of a sample from hexane furnished the analytical specimen, mp 92°-93.5° C.

Provenance & Evidence