Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053925Generated: November 2, 2026

Chlorine → 3-chloro-N-[(1S)-1-(6-chloro-1H-benzimidazol-2-yl)ethyl]-4-(pyrrolidin-1-ylsulfonyl)benzamide

https://huagongshe.com/reaction/2053925

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant(S)-1-(5-chloro-1H-benzimidazol-2-yl)ethylamineHCID 42034613—
Reactant3-Chloro-4-(pyrrolidin-1-ylsulfonyl)benzoic acidHCID 69311154—
SolventDimethylformamideHCID 6228—
SolventEthyl AcetateHCID 8857—
Product3-chloro-N-[(1S)-1-(6-chloro-1H-benzimidazol-2-yl)ethyl]-4-(pyrrolidin-1-ylsulfonyl)benzamideHCID 5965503850%

Reaction Steps

Prepared analogously to Example 1g from 3-chloro-4-(pyrrolidin-1-ylsulfonyl)benzoic acid, TBTU, diisopropylethylamine, and (1S)-1-(6-chloro-1H-benzimidazol-2-yl)ethylamine in dimethylformamide. Yield: 50%; Rf value: 0.57 (silica gel; ethyl acetate); C20H20Cl2N4O3S (467.38); mass spectrum: (M+H)+=467/469/471 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-ddab0e1e1a574be582f0b2e9011e33c3
Source noteuspto-grants-2008_02