Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | Methyl chloroformate | HCID 6586 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Reactant | HCID 69345556 | HCID 69345556 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 58966954 | HCID 58966954 | 59% |
Reaction Steps
According to Scheme 14 Method B: A suspension of 1-(4-chloro-2-fluorobenzyl)-5-(4-hydroxyphenyl)pyridin-2(1H)-one (1 eq, 0.61 mmol, 0.20 g, Example 20 Step 2), K2CO3 (10 eq, 6.10 mmol, 0.84 g) and methylchloroformate (4 eq, 2.43 mmol, 0.19 mL) in THF (10 mL) was stirred overnight at room temperature. Water was added to the reaction mixture, then the aqueous phase was extracted with AcOEt. The organic phase was dried over MgSO4, filtered and evaporated. The resulting crude oil was purified by flash chromatography over silica gel (AIT Flashsmart prepacked column 109 SiO2) using CH2Cl2/AcOEt 90/10 then washed with Et2O and was dried to afford 4-(1-(4-chloro-2-fluorobenzyl)-6-oxo-1,6-dihydropyridin-3-yl)phenyl methyl carbonate (0.36 mmol, 139 mg, 59%) as a white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08399493B2 |
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| Source dataset | uspto-grants-2013_03 |
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| ORD ID | ord-0d56a6029175487780a12f3e1b1bc36c |
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| Source note | uspto-grants-2013_03 |
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