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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 23508Generated: October 29, 2026

Potassium Carbonate → 5-[2-tert-butyl-4-(hydroxymethyl)-5-methyl-phenyl]sulfanyl-4-hydroxy-2-[2-[5-(hydroxymethyl)-3-thienyl]ethyl]-2-isopropyl-3H-pyran-6-one

https://huagongshe.com/reaction/23508

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
ReactantS-[2-Tert-butyl-4-(hydroxymethyl)-5-methylphenyl] 4-methylbenzenesulfonothioateHCID 10499026—
Reactant4-Hydroxy-6-[2-(5-hydroxymethyl-thiophen-3-yl)-ethyl]-6-isopropyl-5,6-dihydro-pyran-2-oneHCID 54677038—
SolventDimethylformamideHCID 6228—
Product5-[2-tert-butyl-4-(hydroxymethyl)-5-methyl-phenyl]sulfanyl-4-hydroxy-2-[2-[5-(hydroxymethyl)-3-thienyl]ethyl]-2-isopropyl-3H-pyran-6-oneHCID 54677006—

Reaction Steps

The title compound was prepared as described in General Method 16a using 4-hydroxy-6-[2-(5-hydroxymethyl-thiophen-3-yl)-ethyl]-6-isopropyl-5,6-dihydro-pyran-2-one (Example E-23; 0.67 mmol), toluene-4-thiosulfonic acid S-(2-tert-butyl-4-hydroxymethyl-5-methyl-phenyl)ester (Example BB-2; 0.74 mmol), potassium carbonate (2.7 mmol) in DMF (5 mL), mp 76-80° C. MS (APCI): 503 (M−H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06852711B2
Source datasetuspto-grants-2005_02
ORD IDord-756be44ab8d44c84a839446504c2df29
Source noteuspto-grants-2005_02