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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 9375Generated: October 26, 2026

3-Pyridinylboronic acid → 1-butyl-2-ethoxymethyl-8-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amine

https://huagongshe.com/reaction/9375

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Pyridinylboronic acidHCID 2734378—
Reactant8-Bromo-1-butyl-2-ethoxymethyl-1H-imidazo[4,5-c]quinolin-4-amineHCID 21984332—
Product1-butyl-2-ethoxymethyl-8-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amineHCID 21984110—

Reaction Steps

8-Bromo-1-butyl-2-ethoxymethyl-1H-imidazo[4,5-c]quinolin-4-amine and pyridine-3-boronic acid were coupled according to the general procedure described in Part J of Example 1. Chromatography on silica gel (8%–10% methanol in CH2Cl2 gradient) followed by recrystallization from isopropanol (3×) and chromatography as above afforded 1-butyl-2-ethoxymethyl-8-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amine as a white solid, m.p. 220–222° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07091214B2
Source datasetuspto-grants-2006_08
ORD IDord-c28838e1bbc145a798736594e16b04cc
Source noteuspto-grants-2006_08