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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1890072Generated: October 25, 2026

Trifluoroacetic acid → HCID 49839725, compound

https://huagongshe.com/reaction/1890072

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTrifluoroacetic acidHCID 6422—
Reactant4-{4-[8-(4-Cyano-phenyl)-[1,2,4]-triazolo[1,5-a]pyridin-2-ylamino]-phenyl}-piperidine-1-carboxylic acid tert-butyl esterHCID 59612402—
ProductHCID 49839725HCID 49839725—

Reaction Steps

4-[2-(4-Piperidin-4-yl-phenylamino)-[1,2,4]triazolo[1,5-a]pyridine-8-yl]benzonitrile was prepared from 4-{4-[8-(4-cyano-phenyl)-[1,2,4]-triazolo[1,5-a]pyridin-2-ylamino]-phenyl}-piperidine-1-carboxylic acid tert-butyl ester (0.181 g, 0.366 mmol) and trifluoroacetic acid (0.500 mL) in a manner analogous to Example 312 to give product (0.130 g, 90%). MP=228-232° C. 1H NMR (400 MHz, (D3C)2SO, δ, ppm): 9.70 (s, 1H), 8.85 (d, 1H), 8.40 (d, 2H), 8.00 (m, 3H), 7.62 (d, 2H), 7.15 (m, 3H), 3.05 (m, 2H), 2.60 (br m, 4H), 1.65 (m, 2H), 1.45 (m, 2H). MS=395 (MH)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08501936B2
Source datasetuspto-grants-2013_08
ORD IDord-6bde5a6f23f34f2cb94fee5361cf3146
Source noteuspto-grants-2013_08