Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 332811Generated: October 28, 2026

Trifluoroacetic acid → HCID 86685604, compound

https://huagongshe.com/reaction/332811

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
ReactantN-methyl-2-pyrrolidoneHCID 13387—
ReactantChloropyrazineHCID 73277—
ReactantDiisopropylethylamineHCID 81531—
Reactant1-[4-(4-Aminophenyl)piperazin-1-yl]ethan-1-oneHCID 736269—
SolventWaterHCID 962—
ProductHCID 86685604HCID 86685604—

Reaction Conditions

Temperature150 °C

Reaction Steps

Chloropyrazine S1.6 (25 mg, 0.12 mmol) was diluted with NMP (5 mL) and treated with 1-(4-(4-aminophenyl)piperazin-1-yl)ethanone (52 mg, 0.24 mmol) and DIPEA (42 uL, 0.24 mmol) and the resulting solution stirred at 150° C. for three days. The reaction mixture was diluted with water and acidified with a small amount of TFA, then purified by preparative HPLC affording the desired product (10 mg) after lyophilization. MS found for C20H25N7O2 as (M+H)+396.0. UV: λ=203, 262, 309 nm.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08877760B2
Source datasetuspto-grants-2014_11
ORD IDord-58abe64238554a35a84734403171818b
Source noteuspto-grants-2014_11