Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 629477Generated: October 26, 2026

Hydrochloric Acid → HCID 84731861, compound

https://huagongshe.com/reaction/629477

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantFormaldehydeHCID 712—
ReactantMagnesium ChlorideHCID 5360315—
Reactant2-Fluoro-3-methoxyphenolHCID 40151763—
Solvent1,1-DichloroethaneHCID 6365—
SolventTriethylamineHCID 8471—
ProductHCID 84731861HCID 8473186198.7%

Reaction Conditions

Temperature40 °C

Reaction Steps

To a solution of 2-fluoro-3-methoxyphenol (22.0 g) and triethylamine (93.9 g) in dichloroethane (250 mL) was added magnesium chloride (71.7 g), and the mixture was stirred at 40° C. for 1 hr. To this mixture was added paraformaldehyde (46.5 g), and the mixture was stirred for 16 hr. The reaction solution was allowed to be cooled to room temperature, 1N hydrochloric acid was added thereto, and the mixture was extracted with dichloromethane. The organic layer was dried over anhydrous sodium sulfate, and the solvent was evaporated under reduced pressure. The residue was purified by combi flash (petroleum ether/ethyl acetate) to give the title compound (26.0 g).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09315458B2
Source datasetuspto-grants-2016_04
ORD IDord-2ab485a679154d62964a95918073ed37
Source noteuspto-grants-2016_04