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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053818Generated: October 31, 2026

Tetrahydrofuran → N-[1-(5-chloro-1H-benzimidazol-2-yl)-5-benzyloxycarbonylaminopentyl]-3-methyl-4-(pyrrolidin-1-ylcarbonyl)benzamide

https://huagongshe.com/reaction/2053818

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrahydrofuranHCID 8028—
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant3-Methyl 4-(pyrrolidin-1-ylcarbonyl)benzoic acidHCID 12068686—
ReactantHCID 178511003HCID 178511003—
SolventDichloromethane ethanolHCID 21584144—
ProductN-[1-(5-chloro-1H-benzimidazol-2-yl)-5-benzyloxycarbonylaminopentyl]-3-methyl-4-(pyrrolidin-1-ylcarbonyl)benzamideHCID 178427072—

Reaction Steps

Prepared analogously to Example 1g from 3-methyl-4-(pyrrolidin-1-ylcarbonyl)benzoic acid, TBTU, diisopropylethylamine, and 1-(5-chloro-1H-benzimidazol-2-yl)-5-benzyloxycarbonyl-aminopentylamine in tetrahydrofuran. Yield: quantitative; Rf value: 0.52 (silica gel; methylene chloride/ethanol=9:1); C33H36ClN5O4 (602.13); mass spectrum: (M−H)−=600/602 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-e9cdda4663964543a35e05486e8dc419
Source noteuspto-grants-2008_02