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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2064168Generated: November 2, 2026

Hydrochloric Acid → 5-Trifluoromethyl-6-chloro-1-(4-piperidinyl)-1,3-dihydro-2H-benzimidazol-2-one hydrochloride

https://huagongshe.com/reaction/2064168

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant1,1-Dimethylethyl 4-(5-trifluoromethyl-6-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-piperidinecarboxylateHCID 59850214—
SolventDichloromethaneHCID 6344—
Product5-Trifluoromethyl-6-chloro-1-(4-piperidinyl)-1,3-dihydro-2H-benzimidazol-2-one hydrochlorideHCID 69128764—

Reaction Steps

1,1-Dimethylethyl 4-(5-trifluoromethyl-6-chloro-2-oxo-2,3-dihydro-1H-benzimidazol-1-yl)-1-piperidinecarboxylate (D63, 1.0 g) was dissolved in dichloromethane (10 ml) and HCl (4M in 1,4-dioxane, 2.5 ml) was added at room temperature. The mixture was stirred at room temperature for 4 h then evaporated to give the subtitle compound, 850 mg.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08288412B2
Source datasetuspto-grants-2012_10
ORD IDord-629270c7e04b4919b0e63077427abee8
Source noteuspto-grants-2012_10