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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053847Generated: October 31, 2026

Chlorine → HCID 178464784, compound

https://huagongshe.com/reaction/2053847

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantPyrrolidineHCID 31268—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
ReactantHCID 178464831HCID 178464831—
SolventTetrahydrofuranHCID 8028—
SolventDichloromethane ethanolHCID 21584144—
ProductHCID 178464784HCID 17846478456%

Reaction Steps

Prepared analogously to Example 1g from 2-chloro-4-{N-[1-(5-chloro-1H-benzimidazol-2-yl)ethyl]aminocarbonyl}benzoic acid, TBTU, diisopropylethylamine, and pyrrolidine in tetrahydrofuran. Yield: 56%; Rf value: 0.49 (silica gel; dichloromethane/ethanol=9:1); C21H20Cl2N4O2 (431.32); mass spectrum: (M+H)+=433/433/435 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-df48b0df3ad244ecb2e0d255ce044c5c
Source noteuspto-grants-2008_02