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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053944Generated: October 25, 2026

4-Methylmorpholine → 3-bromo-N-[(1R)-1-(5-chloro-1H-benzimidazol-2-yl)-2-methoxyethyl]-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzamide

https://huagongshe.com/reaction/2053944

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-MethylmorpholineHCID 7972—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant3-Bromo-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzoic acidHCID 69309865—
ReactantBromine chlorineHCID 131726752—
ReactantHCID 178495727HCID 178495727—
SolventDimethylformamideHCID 6228—
SolventDichloromethane methanolHCID 21226129—
Product3-bromo-N-[(1R)-1-(5-chloro-1H-benzimidazol-2-yl)-2-methoxyethyl]-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzamideHCID 17849573483%

Reaction Steps

Prepared analogously to Example 1g from 3-bromo-4-(2,5-dihydropyrrol-1-ylcarbonyl)benzoic acid, TBTU, N-methylmorpholine, and (1R)-1-(5-chloro-1H-benzimidazol-2-yl)-2-methoxyethylamine in N,N-dimethylformamide. Yield: 83%; Rf value: 0.41 (silica gel; dichloromethane/methanol=95:5); C22H20BrClN4O3 (503.79); mass spectrum: (M+H)+=503/505/507 (bromine/chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-56c29bd79e7c404b9a5ddb88d2de9b5f
Source noteuspto-grants-2008_02