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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1820180Generated: October 30, 2026

Hydrochloric Acid → HCID 57888658, compound

https://huagongshe.com/reaction/1820180

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
ReactantBenzoyl isothiocyanateHCID 68284—
ReactantDiisopropylethylamineHCID 81531—
ReactantHCID 67299489HCID 67299489—
SolventDichloromethaneHCID 6344—
ProductHCID 57888658HCID 5788865887.3%

Reaction Steps

To a solution of (R)-2-Amino-1-(4-(4-chlorophenyl)piperidin-1-yl)-3-methylbutan-1-one hydrochloride (250 mg, 0.75 mmol) in DCM (2 mL) was added DIEA (175 μL, 1 mmol) followed by the dropwise addition of benzoylisothiocyanate (106 μL, 0.78 mmol). The reaction was stirred for 2 h at rt., acidified with 1 N aqueous HCl solution to pH 3 and then extracted with Et2O (3×10 mL). The extracts were combined, washed sequentially with sat. aqueous NaHCO3 solution (1×10 mL) and sat. aqueous NaCl solution (1×10 mL), dried (MgSO4), and the solvent removed to give (R)—N-(1-(4-(4-chlorophenyl)piperidin-1-yl)-3-methyl-1-oxobutan-2-ylcarbamothioyl)benzamide (m/z, 458, M+1) as an oil (300 mg) in greater than 90% HPLC purity.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07601844B2
Source datasetuspto-grants-2009_10
ORD IDord-f5db0baa3ea94914820ae8486369b9dc
Source noteuspto-grants-2009_10