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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1529365Generated: November 2, 2026

Hydrochloric Acid → HCID 67959648, compound

https://huagongshe.com/reaction/1529365

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 67959784HCID 67959784—
SolventTetrahydrofuranHCID 8028—
ProductHCID 67959648HCID 6795964857%

Reaction Conditions

Temperature60 °C

Reaction Steps

To mixture of methyl 3-(6-(4-aminopiperidin-1-yl)pyrazin-2-yl)-1H-indole-5-carboxylate (236) (60 mg, 0.17 mmol) in THF (1 mL) was added 10% NaOH solution (1 mL). The reaction mixture was heated at 60° C. for 24 h and cooled to 0° C. 1N HCl solution was added to the mixture to attain pH7. The resulting mixture was stirred at RT for 2 h. The resulting precipitate was collected by filtration, washed with water and dried under vacuum to obtain the title compound (30 mg, 57%). MS (ESI, pos. ion) m/z: 337.9 (M+1).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09090593B2
Source datasetuspto-grants-2015_07
ORD IDord-5befb42e635a4d81b93b6c6fbe373c23
Source noteuspto-grants-2015_07