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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1820469Generated: October 25, 2026

Pyridine → [1-Cyclobutyl-2-(4,4-difluoro-piperidine-1-carbonyl)-1H-indol-5-yl]-(4-isopropyl-piperazin-1-yl)-methanone

https://huagongshe.com/reaction/1820469

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPyridineHCID 1049—
ReactantCyclobutylboronic acidHCID 16217845—
ReactantHCID 68680853HCID 68680853—
CatalystCupric acetateHCID 8895—
SolventChloroformHCID 6212—
Product[1-Cyclobutyl-2-(4,4-difluoro-piperidine-1-carbonyl)-1H-indol-5-yl]-(4-isopropyl-piperazin-1-yl)-methanoneHCID 6868106214%

Reaction Steps

The title compound was synthesized in analogy to example 66, from (4,4-difluoro-piperidin-1-yl)-[5-(4-isopropyl-piperazine-1-carbonyl)-1H-indol-2-yl]-methanone (example 32), cyclobutylboronic acid (commercially available), copper(II) acetate and pyridine using chloroform as solvent and stirring under reflux for 6 days, to give the desired product as a light brown foam (14%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07601711B2
Source datasetuspto-grants-2009_10
ORD IDord-1a15645ccd264a729991c9030a83d0dc
Source noteuspto-grants-2009_10