Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 613124Generated: October 29, 2026

Triethylamine → 6-(3,5-Dimethylphenyl)-4-hydroxy-3-(2-isopropylphenyl)sulfanyl-pyran-2-one

https://huagongshe.com/reaction/613124

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant1-(3,5-Dimethylphenyl)ethan-1-oneHCID 14921—
ReactantTrimethylsilyl triflateHCID 65367—
Reactant[(2-Isopropylphenyl)thio)propanedioic acidHCID 19596178—
SolventDichloromethaneHCID 6344—
Product6-(3,5-Dimethylphenyl)-4-hydroxy-3-(2-isopropylphenyl)sulfanyl-pyran-2-oneHCID 54681486—

Reaction Steps

The title compound was prepared by Method A using 3', 5'-dimethylacetophenone (0.714 g, 4.83 mmol), trimethylsilyl triflate (1.12 mL, 5.79 mmol), triethylamine (1.34 mL, 9.66 mmol), methylene chloride (17 mL), and diethyl ester of [(2-isopropylphenyl)thio]propanedioic acid (1.00 g, 3.22 mmol) m.p. 154-155° C.; 1H NMR (400 MHz, DMSO-d6) δ 1.24 (d, 6H), 2.35 (s, 6H), 3.40 (m, 1H), 6.90 (d, 1H), 7.05 (t, 1H), 7.11 (dt, 2H), 7.20 (s, 1H), 7.27 (d, 1H), 7.45 (s, 2H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06005103
Source datasetuspto-grants-1999_12
ORD IDord-5db7e3baf62e41948d82410dcb1f37da
Source noteuspto-grants-1999_12