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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053882Generated: October 31, 2026

Trifluoroacetic acid → 3-chloro-N-(5-chloro-1H-benzimidazol-2-ylmethyl)-4-(2-aminomethylpyrrolidin-1-ylcarbonyl)benzamide

https://huagongshe.com/reaction/2053882

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
ReactantPyrrolidin-2-ylmethyl-carbamic acid tert-butyl esterHCID 21834643—
ReactantHCID 178523088HCID 178523088—
SolventDimethylformamideHCID 6228—
Product3-chloro-N-(5-chloro-1H-benzimidazol-2-ylmethyl)-4-(2-aminomethylpyrrolidin-1-ylcarbonyl)benzamideHCID 17850997347%

Reaction Steps

Prepared analogously to Example 1g from 3-chloro-N-(5-chloro-1H-benzimidazol-2-ylmethyl)-4-carboxybenzamide, TBTU, diisopropylethylamine, and rac.-2-tert-butoxycarbonylaminomethylpyrrolidine in DMF followed by treatment with trifluoroacetic acid analogously to Example 17. Yield: 47%; C21H21Cl2N5O2 (446.34); mass spectrum: (M+H)+=446/448/450 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-fe9fe5d0310040589d6edb0115c58771
Source noteuspto-grants-2008_02