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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 451265Generated: October 25, 2026

5-Phenyl-1-pentyne → 4-(5-Phenyl-pent-1-ynyl)-benzaldehyde

https://huagongshe.com/reaction/451265

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-Phenyl-1-pentyneHCID 74573—
Reactant4-(((4-Methylphenyl)sulfonyl)oxy)benzaldehydeHCID 5125086—
SolventDichloromethane heptaneHCID 21907733—
Product4-(5-Phenyl-pent-1-ynyl)-benzaldehydeHCID 25221611—

Reaction Steps

This product was prepared from toluene-4-sulfonic acid 4-formyl-phenyl ester and pent-4-ynyl-benzene following the general procedure for the Sonogashira cross-coupling process described above. Chromatography eluent: heptane/DCM 1:1; yield (100 mg, 58%); 1H NMR δ (CDCl3): 9.98 (s, 1H), 8.02 (d, J=8.61 Hz, 2H), 7.81 (d, J=8.63 Hz, 2H), 7.57-7.47 (m, 4H), 2.79 (t, J=7.18 Hz, 2H), 2.48 (t, J=7.17 Hz, 2H), 1.93 (p, J=7.23 Hz, 2H); LCMS m/z: 248.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08487109B2
Source datasetuspto-grants-2013_07
ORD IDord-0323670541304f0ebe3d3477f0cdafa5
Source noteuspto-grants-2013_07