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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053886Generated: October 30, 2026

Chlorine → HCID 178462077, compound

https://huagongshe.com/reaction/2053886

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantPiperazin-2-oneHCID 231360—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant(1S)-2-chloro-4-{N-[1-(5-chloro-1H-benzimidazol-2-yl)ethyl]aminocarbonyl}benzoic acidHCID 178462084—
SolventTetrahydrofuranHCID 8028—
SolventDichloromethane ethanolHCID 21584144—
ProductHCID 178462077HCID 17846207758%

Reaction Steps

Prepared analogously to Example 1g from 2-chloro-4-{N-[(1S)-1-(5-chloro-1H-benzimidazol-2-yl)ethyl]aminocarbonyl}benzoic acid, TBTU, diisopropylethylamine, and piperazin-2-one in tetrahydrofuran. Yield: 58%; Rf value: 0.22 (silica gel; dichloromethane/ethanol=9:1); C21H19Cl2N5O3 (460.32); mass spectrum: (M+H)+=460/462/464 (chlorine isotope) and (M−H)−=458/460/462 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-3936390a7b5249839620a66b236ae566
Source noteuspto-grants-2008_02