Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2054051Generated: November 2, 2026

Chlorine → HCID 178433904, compound

https://huagongshe.com/reaction/2054051

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant(S)-1-(5-chloro-1H-benzimidazol-2-yl)ethylamineHCID 42034613—
Reactant4-(3-methyl-5,6-dihydro-4H-cyclopentapyrazol-1-yl)-3-trifluoromethylbenzoic acidHCID 69312558—
SolventTetrahydrofuranHCID 8028—
SolventDichloromethane ethanolHCID 21584144—
ProductHCID 178433904HCID 17843390447%

Reaction Steps

Prepared analogously to Example 1g from 4-(3-methyl-5,6-dihydro-4H-cyclopentapyrazol-1-yl)-3-trifluoromethylbenzoic acid, TBTU, diisopropylethylamine, and (1S)-1-(5-chloro-1H-benzimidazol-2-yl)ethylamine in tetrahydrofuran. Yield: 47%; Rf value: 0.30 (silica gel: dichloromethane/ethanol=9:1); C24H21ClF3N5O (487.911); mass spectrum: (M+H)+=488/490 (chlorine isotope) and (M−H)−=487/489 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-a4ea01bbc6e2439b9ffdbfebd283351b
Source noteuspto-grants-2008_02