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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053884Generated: October 31, 2026

Chlorine → HCID 178470751, compound

https://huagongshe.com/reaction/2053884

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantEthyl 2-(3-oxopiperazin-2-yl)acetateHCID 544550—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
ReactantHCID 178464831HCID 178464831—
SolventDimethylformamideHCID 6228—
SolventDichloromethane ethanolHCID 21584144—
ProductHCID 178470751HCID 17847075137%

Reaction Steps

Prepared analogously to Example 1g from rac.-2-chloro-4-{N-[1-(5-chloro-1H-benzimidazol-2-yl)ethyl]aminocarbonyl}benzoic acid, TBTU, diisopropylethylamine, and 3-(ethoxycarbo-nylmethyl)piperazin-2-one in DMF. Yield: 37%; Rf value: 0.49 (silica gel; dichloromethane/ethanol=10:1); C25H25Cl2N5O5 (546.41); mass spectrum: (M+H)+=546/548/550 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-93ffa86e78c948cfad978f8fe3d60e19
Source noteuspto-grants-2008_02