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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 602024Generated: October 25, 2026

Sodium Sulfite → 3,5-Difluoro-4-(2-propynyloxy)benzoic acid

https://huagongshe.com/reaction/602024

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium SulfiteHCID 24437—
Reactantm-Chloroperbenzoic acidHCID 70297—
Reactant3,5-Difluoro-4-(2-propynyloxy)benzaldehydeHCID 57445667—
SolventChloroformHCID 6212—
Product3,5-Difluoro-4-(2-propynyloxy)benzoic acidHCID 57445666184.9%

Reaction Steps

To 100 ml of chloroform were added 20 g of 3,5-difluoro-4-(2-propynyloxy)benzaldehyde and 25 g of 3-chloroperbenzoic acid and the mixture obtained was stirred at room temperature for overnight. Then, aqueous sodium sulfite solution was added to the reaction mixture and extracted with chloroform and ethyl acetate in order. The organic layers were combined, dried over magnesium sulfate and concentrated under reduced pressure to obtain 40 g of 3,5-difluoro-4-(2-propynyloxy)benzoic acid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07902400B2
Source datasetuspto-grants-2011_03
ORD IDord-6401ec2c109e4ebe9049965cefeb5553
Source noteuspto-grants-2011_03