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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1818123Generated: October 26, 2026

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

https://huagongshe.com/reaction/1818123

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-Pyridinylboronic acidHCID 2734378—
Reactant8-Bromo-2-ethyl-1-isobutyl-1H-imidazo[4,5-c]quinolin-4-amineHCID 21984300—
Product2-ethyl-1-isobutyl-8-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amineHCID 21984049—

Reaction Steps

8-Bromo-2-ethyl-1-isobutyl-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 (5%-7% methanol in CH2Cl2 gradient) followed by recrystallization from isopropanol afforded 2-ethyl-1-isobutyl-8-(pyridin-3-yl)-1H-imidazo[4,5-c]quinolin-4-amine as white crystals, m.p.>250° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07598382B2
Source datasetuspto-grants-2009_10
ORD IDord-fb017d26d27843e39a249b96c3fb030e
Source noteuspto-grants-2009_10