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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1895551Generated: November 2, 2026

Hydrochloric Acid → 2-(1,2,3,4-Tetrahydroquinolin-2-yl)-1H-benzo[d]imidazole-4-carboxamide

https://huagongshe.com/reaction/1895551

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactanttert-butyl 2-(4-carbamoyl-1H-benzo[d]imidazol-2-yl)-3,4-dihydroquinoline-1(2H)-carboxylateHCID 49854327—
SolventMethanolHCID 887—
Product2-(1,2,3,4-Tetrahydroquinolin-2-yl)-1H-benzo[d]imidazole-4-carboxamideHCID 49854328—

Reaction Conditions

Temperature40 °C

Reaction Steps

A mixture of tert-butyl 2-(4-carbamoyl-1H-benzo[d]imidazol-2-yl)-3,4-dihydroquinoline-1(2H)-carboxylate (17 mg, 0.043 mmol) and HCl in methanol (1.25 M, 1 mL) was stirred at 40° C. overnight. Methanol was removed under reduced pressure, aq. sodium bicarbonate solution was added and extracted with DCM. The DCM layer was washed with brine, dried over anhydrous sodium sulfate and evaporated to afford 2-(1,2,3,4-Tetrahydroquinolin-2-yl)-1H-benzo[d]imidazole-4-carboxamide. MS (ES+): m/z 315.13 [M+Na]+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08513433B2
Source datasetuspto-grants-2013_08
ORD IDord-70c441dace72432b8d8c5908e38add49
Source noteuspto-grants-2013_08