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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2053864Generated: October 30, 2026

Trifluoroacetic acid → HCID 178427171, compound

https://huagongshe.com/reaction/2053864

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantChlorineHCID 24526—
ReactantPyrrolidineHCID 31268—
ReactantDiisopropylethylamineHCID 81531—
ReactantO-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborateHCID 2733207—
ReactantHCID 69309945HCID 69309945—
SolventTetrahydrofuranHCID 8028—
SolventEthanol ethylacetateHCID 21584252—
ProductHCID 178427171HCID 17842717156%

Reaction Steps

Prepared analogously to Example 1g from (1S)—N-[1-(1-tert-butoxycarbonyl-5-chloro-1H-benzimidazol-2-yl)-3-hydroxycarbonylpropyl]-3-methyl-4-(pyrrolidin-1-ylcarbonyl)benzamide, TBTU, diisopropylethylamine, and pyrrolidine in tetrahydrofuran followed by treatment with trifluoroacetic acid analogously to Example 17. Yield: 56%; Rf value: 0.22 (silica gel; ethyl acetate/ethanol=9:1); C28H32ClN5O3 (522.05); mass spectrum: (M+H)+=522/524 (chlorine isotope).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07326791B2
Source datasetuspto-grants-2008_02
ORD IDord-456fd7d6fec544be957fb3b389c46e19
Source noteuspto-grants-2008_02