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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053957Generated: October 31, 2026

Chlorine → 3-methyl-N-[(1R)-1-(5-chloro-1H-benzimidazol-2-yl)-2-hydroxyethyl]-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzamide

https://huagongshe.com/reaction/2053957

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant3-Methyl-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzoic acidHCID 11858638—
ReactantHCID 178511833HCID 178511833—
SolventTetrahydrofuranHCID 8028—
SolventDichloromethane methanolHCID 21226129—
Product3-methyl-N-[(1R)-1-(5-chloro-1H-benzimidazol-2-yl)-2-hydroxyethyl]-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzamideHCID 178427201100%

Reaction Steps

Prepared analogously to Example 1g from 3-methyl-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzoic acid, TBTU, diisopropylethylamine, and (1R)-1-(5-chloro-1H-benzimidazol-2-yl)-2-hydroxyethylamine in tetrahydrofuran. Yield: 100%; Rf value: 0.40 (silica gel; dichloromethane/methanol=9:1); C22H21ClN4O3 (424.89); mass spectrum: (M+H)+=425/427 (chlorine isotope) and (M+H)+=423/425 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-f83449a5f0684853a29d01a69d73fea6
Source noteuspto-grants-2008_02