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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1820359Generated: October 31, 2026

Diisopropylethylamine → [5-(4-Cyclobutyl-piperazine-1-carbonyl)-1H-indol-2-yl]-(4,4-difluoro-piperidin-1-yl)-methanone

https://huagongshe.com/reaction/1820359

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant4,4-DifluoropiperidineHCID 2758352—
ReactantHCID 68681933HCID 68681933—
SolventDimethylformamideHCID 6228—
Product[5-(4-Cyclobutyl-piperazine-1-carbonyl)-1H-indol-2-yl]-(4,4-difluoro-piperidin-1-yl)-methanoneHCID 6868357783%

Reaction Steps

The title compound was synthesized in analogy to example 1, from 5-(4-cyclobutyl-piperazine-1-carbonyl)-1H-indole-2-carboxylic acid hydrochloride, O-(benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium tetrafluoroborate (commercially available), 4,4-difluoropiperidine (commercially available) and N,N-diisopropylethylamine in N,N-dimethylformamide, to give the desired product as a light brown solid (83%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07601711B2
Source datasetuspto-grants-2009_10
ORD IDord-77a6541e47cc4bf09f2caece7ccbd674
Source noteuspto-grants-2009_10