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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053930Generated: October 31, 2026

Trifluoroacetic acid → HCID 178427179, compound

https://huagongshe.com/reaction/2053930

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantChlorineHCID 24526—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
Reactant(3S)-pyrrolidin-3-olHCID 2733874—
ReactantHCID 69309945HCID 69309945—
SolventAcetonitrileHCID 6342—
SolventEthanol ethylacetateHCID 21584252—
ProductHCID 178427179HCID 17842717987%

Reaction Steps

Prepared analogously to Example 1g from (S)—N-[1-(1-tert-butoxycarbonyl-5-chloro-1H-benzimidazol-2-yl)-3-hydroxycarbonylpropyl]-3-methyl-4-(pyrrolidin-1-ylcarbonyl)benzamide, TBTU, diisopropylethylamine, (S)pyrrolidine-3-ol in acetonitrile, and subsequent reaction with trifluoroacetic acid analogously to Example 17. Yield: 87%; Rf value: 0.18 (silica gel; ethyl acetate/ethanol=85:15); C28H32ClN5O4 (538.05); mass spectrum: (M+H)+=538/540 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-92376e9d4cae4562b6a8ac5192420300
Source noteuspto-grants-2008_02