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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1626341Generated: October 31, 2026

Hydrochloric Acid → HCID 66883338, compound

https://huagongshe.com/reaction/1626341

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 57951062HCID 57951062—
SolventAcetoneHCID 180—
ProductHCID 66883338HCID 6688333896%

Reaction Steps

A mixture of methyl 5-(1-(4-(trifluoromethyl)phenyl)piperidin-4-yloxy)pyrazine-2-carboxylate (0.10 g, 0.26 mmol) and 2N aqueous sodium hydroxide (0.4 mL) in acetone (2 mL) was stirred at room temperature for 0.5 h. The reaction mixture was acidified by concentrated hydrochloric acid and concentrated under reduced pressure to afford 5-(1-(4-(trifluoromethyl)phenyl)piperidin-4-yloxy)pyrazine-2-carboxylic acid hydrochloric acid salt as an off-white solid (0.10 g, 96%) which was used next step without further purifications. MS (ESI): 368.4 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08785449B2
Source datasetuspto-grants-2014_07
ORD IDord-d428b68a4cc840c58848c80be65d7a38
Source noteuspto-grants-2014_07