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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 340385Generated: October 29, 2026

Trifluoroacetic acid → HCID 58213600, compound

https://huagongshe.com/reaction/340385

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant1-MethylpiperazineHCID 53167—
Reactant1-(4-(2-(5-Amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenyl)ethanoneHCID 58213615—
ProductHCID 58213600HCID 58213600—

Reaction Steps

8-Methyl-2-(4-(1-(4-methylpiperazin-1-yl)ethyl)phenethyl)benzo[f][1,7]naphthyridin-5-amine was prepared from 1-(4-(2-(5-amino-8-methylbenzo[f][1,7]naphthyridin-2-yl)ethyl)phenyl)ethanone (from Example 171) and 1-methylpiperazine (commercially available) following the procedures described for Example 182. 1H NMR (Acetone-d6) TFA Salt: δ 8.84 (s, 1H), 8.80 (s, 1H), 8.41 (d, 1H), 7.52 (s, 1H), 7.42-7.46 (m, 3H), 7.36-7.38 (m, 2H), 3.53 (m, 1H), 3.18 (m, 2H), 3.12 (m, 2H), 2.92 (s, 2H), 2.66 (s, 2H), 2.56 (s, 2H), 2.16 (s, 3H), 1.99 (m, 2H), 1.69 (d, 3H), 1.30 (s, 3H). LRMS [M+H]=440.2

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08895577B2
Source datasetuspto-grants-2014_11
ORD IDord-bb3fa64532c84a42a6b6a3870608ad65
Source noteuspto-grants-2014_11