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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1709487Generated: October 26, 2026

Hydrochloric Acid → 2(4-Bromophenyl)-N-[2-(1-piperidinyl)ethyl]-3H-imidazo[4,5-b]pyridine-3-acetamide hydrochloride hydrate

https://huagongshe.com/reaction/1709487

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrochloric AcidHCID 313—
Reactant2-(4Bromophenyl)-N-[2-(1-piperidinyl)ethyl]-3H-imidazo[4,5-b]pyridine-3-acetamideHCID 14390279—
SolventIsopropyl alcohol isopropyl etherHCID 21202047—
Product2(4-Bromophenyl)-N-[2-(1-piperidinyl)ethyl]-3H-imidazo[4,5-b]pyridine-3-acetamide hydrochloride hydrateHCID 2303742483%

Reaction Steps

2-(4-Bromophenyl)-N-[2-(1-piperidinyl)ethyl]-3H-imidazo[4,5-b]pyridine-3-acetamide (3.5 g, 0.0079 mole) was converted to the hydrochloride salt in isopropyl alcohol-isopropyl ether, using concentrated hydrochloric acid to acidify. Recrystallization from isopropyl alcohol-isopropyl ether gave 3.5 g (83%) of a white solid, mp 150°-153° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04948800
Source datasetuspto-grants-1990_08
ORD IDord-f2cc909a2cf84beeaf717545ad4f026a
Source noteuspto-grants-1990_08