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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2303673Generated: October 31, 2026

Hydrochloric Acid → HCID 131723149, compound

https://huagongshe.com/reaction/2303673

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantHCID 21912727HCID 21912727—
SolventMethanolHCID 887—
ProductHCID 131723149HCID 13172314992%

Reaction Steps

A solution of 1-(t-butoxycarbonyl)-4-(1,3-diethyl-4-methyl-(1H)-pyrazol-5-yl)piperidine (348 mg) (from Step E) in 2.5 N HCl in methanol was stirred at rt for 16 h. The solution was concentrated and the resulting solid was suspended in ethyl acetate, filtered and dried to afford 293 mg (92%) of the title compound.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06432981B1
Source datasetuspto-grants-2002_08
ORD IDord-6dc801861839450b8dcecd750c27abee
Source noteuspto-grants-2002_08