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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2394049Generated: October 29, 2026

Triethylamine → 4-Hydroxy-3-(2-isopropylphenyl)sulfanyl-6-[4-(3-pyridylmethoxy)phenyl]pyran-2-one

https://huagongshe.com/reaction/2394049

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantTrimethylsilyl triflateHCID 65367—
Reactant[(2-Isopropylphenyl)thio)propanedioic acidHCID 19596178—
Reactant4'-(3-Pyridinylmethoxy)acetophenoneHCID 19596267—
SolventDichloromethaneHCID 6344—
Product4-Hydroxy-3-(2-isopropylphenyl)sulfanyl-6-[4-(3-pyridylmethoxy)phenyl]pyran-2-oneHCID 54681263—

Reaction Steps

The title compound was prepared by Method A using 4'-(pyridin-3-ylmethoxy)acetophenone (1.09 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. 225° C.; ; 1H NMR (400 MHz, DMSO-d6) δ 1.23 (d, 6H), 3.41 (m, 1H), 5.26 (s, 2H), 6.78 (s, 1H), 6.90 (d, 1H), 7.08 (dt, 2H), 7.21 (d, 2H), 7.29 (d, 1H), 7.45 (dd, 1H), 7.82 (d, 2H), 7.91 (d, 1H), 8.56 (d, 1H), 8.71 (s, 1H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05808062
Source datasetuspto-grants-1998_09
ORD IDord-1b53c5e5fc6c4148993161893528d2c9
Source noteuspto-grants-1998_09