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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1634344Generated: October 31, 2026

Hydrochloride methanol → (2S,3S)-3-[5-(1,1-Dimethyl-4,4,4-trifluoro-2-butynyl)-2-methoxybenzyl]amino-2-phenylpiperidine dihydrochloride

https://huagongshe.com/reaction/1634344

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloride methanolHCID 21893726—
Reactant(2S,3S)-1-tert-Butoxycarbonyl-3-[5-(1,1-dimethyl-4,4,4-trifluoro-2-butynyl)-2-methoxybenzyl]amino-2-phenylpiperidineHCID 70001735—
SolventEthyl AcetateHCID 8857—
Product(2S,3S)-3-[5-(1,1-Dimethyl-4,4,4-trifluoro-2-butynyl)-2-methoxybenzyl]amino-2-phenylpiperidine dihydrochlorideHCID 7000061575%

Reaction Steps

To a solution of Compound 59 (34 mg, 0.064 mmol) in AcOEt (8 ml) was added an excess amount of HCl-MeOH. The mixture was stirred for 18 h and then evaporated in vacuo, the residual solid was recrystallized from MeOH-Et2O to give Compound 60 (24 mg, 75%) as a white solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06506775B1
Source datasetuspto-grants-2003_01
ORD IDord-540e39037c3a483da8e7c0e4e331d47d
Source noteuspto-grants-2003_01