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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 451275Generated: October 27, 2026

4-Ethynylaniline → 4-(4-Trifluoromethoxy-phenylethynyl)-phenylamine

https://huagongshe.com/reaction/451275

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-EthynylanilineHCID 3760025—
ReactantToluene-4-sulfonic acid 4-trifluoromethoxy-phenyl esterHCID 18424495—
SolventHeptaneHCID 8900—
Product4-(4-Trifluoromethoxy-phenylethynyl)-phenylamineHCID 25221727—

Reaction Steps

This product was prepared from toluene-4-sulfonic acid 4-trifluoromethoxy-phenyl ester and 4-ethynyl-phenylamine. Chromatography eluent: heptane; yield (111 mg, 80%); 1H NMR δ (CDCl3): 7.5 (d, J=8.42 Hz, 2H), 7.33 (d, J=8.60 Hz, 2H), 7.18 (d, J=8.41 Hz, 2H), 6.62 (d, J=8.62 Hz, 2H), 3.82 (s, 2H); LCMS m/z 277.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08487109B2
Source datasetuspto-grants-2013_07
ORD IDord-446b487ddeb148afb40c713e34567c8d
Source noteuspto-grants-2013_07