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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2067086Generated: November 1, 2026

Benzaldehyde → (2,2-Difluoroethenyl)benzene

https://huagongshe.com/reaction/2067086

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzaldehydeHCID 240—
ReactantDibromodifluoromethaneHCID 6382—
ReactantTriphenylphosphineHCID 11776—
SolventDichloromethaneHCID 6344—
Product(2,2-Difluoroethenyl)benzeneHCID 58771157.8%

Reaction Conditions

Temperature0 °C

Reaction Steps

5.25 g (0.02 mol) of triphenyl phosphine was dissolved in 20 ml of dichloromethane, and the mixture was cooled to 0° C. 2.1 g (0.01 mol) of dibromodifluoromethane was added to the mixture using an injector, and the reaction mixture was stirred for 30 minutes at room temperature. 1.06 g (0.01 mol) of benzaldehyde was added thereto and the mixture was refluxed for 4 hours. The resulting mixture was distilled under a reduced pressure at 40° C./1 mmHg using a distilling apparatus to obtain the title compound (0.81 g, 57.5%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08293774B2
Source datasetuspto-grants-2012_10
ORD IDord-1f2993757a5e4a5eb806e813dbc3c4a4
Source noteuspto-grants-2012_10