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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2175444Generated: October 30, 2026

Hydrochloric Acid → HCID 66883338, compound

https://huagongshe.com/reaction/2175444

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 numberUS09062052B2
Source datasetuspto-grants-2015_06
ORD IDord-451b0088a9c54e858752aab5dacb84c7
Source noteuspto-grants-2015_06