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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 333820Generated: October 31, 2026

Hydrochloric Acid → HCID 25254148, compound

https://huagongshe.com/reaction/333820

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
Reactant{4-[2-(2,4-Dichloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-pyridin-2-yloxy}-acetic acid methyl esterHCID 25254606—
SolventMethanolHCID 887—
ProductHCID 25254148HCID 25254148—

Reaction Conditions

Temperature55 °C

Reaction Steps

{4-[2-(2,4-Dichloro-phenyl)-1-hydroxy-1-trifluoromethyl-propyl]-pyridin-2-yloxy}-acetic acid methyl ester (Example 120, 190 mg) was dissolved in MeOH (3 mL), and treated with 1N NaOH (0.87 mL). The reaction mixture was stirred at 55° C. (Bath temperature) for 2 h. The reaction mixture was then cooled down to r.t., pH adjusted to pH2 by addition of 1N aqueous HCl, and the MeOH evaporated in vacuo. The resulting suspension was then extracted twice with ethyl acetate, the combined organic phases washed with brine, dried over MgSO4 and concentrated in vacuo, leading to the title compound as light yellow amorphous solid (180 mg). MS (m/e)=424.1 (MH+).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08883786B2
Source datasetuspto-grants-2014_11
ORD IDord-d820a742c1fe43e0a9adeedbbf4c9c2e
Source noteuspto-grants-2014_11