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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1820448Generated: October 31, 2026

Pyridine → 4-[5-(4-Cyclobutyl-piperazine-1-carbonyl)-2-(4,4-difluoro-piperidine-1-carbonyl)-indol-1-yl]-benzonitrile

https://huagongshe.com/reaction/1820448

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
Reactant4-Cyanophenylboronic acidHCID 2734326—
Reactant[5-(4-Cyclobutyl-piperazine-1-carbonyl)-1H-indol-2-yl]-(4,4-difluoro-piperidin-1-yl)-methanoneHCID 68683577—
CatalystCupric acetateHCID 8895—
SolventDichloromethaneHCID 6344—
Product4-[5-(4-Cyclobutyl-piperazine-1-carbonyl)-2-(4,4-difluoro-piperidine-1-carbonyl)-indol-1-yl]-benzonitrileHCID 6868000130%

Reaction Steps

The title compound was synthesized in analogy to example 66, from [5-(4-cyclobutyl-piperazine-1-carbonyl)-1H-indol-2-yl]-(4,4-difluoro-piperidin-1-yl)-methanone (example 41), 4-cyanophenylboronic acid, copper(II) acetate and pyridine in dichloromethane, to give the desired product as a off-white foam (30%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07601711B2
Source datasetuspto-grants-2009_10
ORD IDord-6c3a34d23b5f41e79d5705d9c28131ef
Source noteuspto-grants-2009_10