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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1898570Generated: November 2, 2026

Trifluoroacetic acid → HCID 58438559, compound

https://huagongshe.com/reaction/1898570

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantPyrrolidineHCID 31268—
Reactant(2R)-2-{[(tert-butoxy)carbonyl]amino}-3,3-dimethylbutanoic acidHCID 7005057—
Reactant(R)-2-((tert-Butoxycarbonyl)amino)-2-cyclopropylacetic acidHCID 7146275—
Reactant2-cyclopropyl-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acidHCID 57829653—
Reactant2-(1-methyl-1H-pyrazol-4-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[3,2-b]pyrazine-7-carboxylic acidHCID 67008937—
ReactantHCID 67386573HCID 67386573—
ProductHCID 58438559HCID 58438559—

Reaction Steps

Prepared according to the procedure outlined in Example 1 substituting 3-cyano-3-ethyl-azetidine trifluoroacetate for pyrrolidine, Boc-D-cyclopropyl glycine for Boc-D-tert-leucine, and 2-(1-methyl-1H-pyrazol-4-yl)-5-((2-(trimethylsilyl)ethoxy)methyl)-5H-pyrrolo[3,2-b]pyrazine-7-carboxylic acid for 2-cyclopropyl-5-(2-trimethylsilanyl-ethoxymethyl)-5H-pyrrolo[2,3-b]pyrazine-7-carboxylic acid. Trifluoroacetic acid was used instead of hydrochloric acid for all N-Boc deprotection steps. MS: (M+H)+=433.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518945B2
Source datasetuspto-grants-2013_08
ORD IDord-c8006604c5b649149e7be89f9848c27a
Source noteuspto-grants-2013_08