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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 445692Generated: October 29, 2026

8-Bromo-1-(1,3-dimethyl-1H-pyrazol-4-yl)-3-methyl-1,3-dihydro-imidazo[4,5-c]quinolin-2-one → 8-bromo-3-methyl-1-{3-methyl-1-[2-(4-methyl-piperazin-1-yl)-2-oxo-ethyl]-1H-pyrazol-4-yl}-1,3-dihydro-imidazo[4,5-c]quinolin-2-one

https://huagongshe.com/reaction/445692

Reaction equation

Participants

RoleNameHCIDCharge
Reactant8-Bromo-1-(1,3-dimethyl-1H-pyrazol-4-yl)-3-methyl-1,3-dihydro-imidazo[4,5-c]quinolin-2-oneHCID 59619739—
Reactant8-bromo-1-{3-methyl-1-[2-(4-methyl-piperazin-1-yl)-2-oxo-ethyl]-1H-pyrazol-4-yl}-1,3-dihydro-imidazo[4,5-c]quinolin-2-oneHCID 59619895—
Product8-bromo-3-methyl-1-{3-methyl-1-[2-(4-methyl-piperazin-1-yl)-2-oxo-ethyl]-1H-pyrazol-4-yl}-1,3-dihydro-imidazo[4,5-c]quinolin-2-oneHCID 59619729—

Reaction Steps

The title compound was synthesized in a similar manner as described for Intermediate A using 8-bromo-1-{3-methyl-1-[2-(4-methyl-piperazin-1-yl)-2-oxo-ethyl]-1H-pyrazol-4-yl}-1,3-dihydro-imidazo[4,5-c]quinolin-2-one (Stage 133.1.1) to give the title compound as an off-white solid. (HPLC: tR 2.06 min (Method A); M+H=498, 500 MS-ES)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08476294B2
Source datasetuspto-grants-2013_07
ORD IDord-673d5f62dee74b099621a4a8dee248ad
Source noteuspto-grants-2013_07