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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2116655Generated: November 1, 2026

Potassium Carbonate → 7-({5-[(1S)-1-hydroxy-1-(trifluoromethyl)propyl]-1,3-thiazol-2-yl}thio)-4-phenyl-2H-chromen-2-one

https://huagongshe.com/reaction/2116655

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant7-Bromo-3-phenyl-2H-chromen-2-oneHCID 86605216—
ReactantHCID 178458806HCID 178458806—
SolventN-methyl-2-pyrrolidoneHCID 13387—
Product7-({5-[(1S)-1-hydroxy-1-(trifluoromethyl)propyl]-1,3-thiazol-2-yl}thio)-4-phenyl-2H-chromen-2-oneHCID 11178744—

Reaction Conditions

Temperature120 °C

Reaction Steps

Employing the procedure of Example 1, Step 3, using 7-bromo-phenyl-2H-chromen-2-one (0.331 g, 1.1 mmol), thiol enantiomer #1 (0.243 g, 1 mmol) of Example 7, Step 1, and potassium carbonate (0415 g, 3 mmol) in NMP and heating at 120° C. for 20 h, the title compound was obtained. 1H NMR (400 MHz, acetone-d6): δ 7.88 (s, 1H), 7.45-7.62 (m, 8H), 6.41 (s, 1H), 6.10 (s, 1H, OH), 2.19 (q, 2H), 0.94 (t, 3H).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07439260B2
Source datasetuspto-grants-2008_10
ORD IDord-c7c8ac44d3a246cf9d13842edd59fdc8
Source noteuspto-grants-2008_10