HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetaminophen → Ethyl 2-(4-acetamidophenoxy)acetate
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetaminophen | HCID 1983 | — |
| Reactant | Ethyl bromoacetate | HCID 7748 | — |
| Reactant | Potassium Carbonate | HCID 11430 | — |
| Solvent | Acetone | HCID 180 | — |
| Product | Ethyl 2-(4-acetamidophenoxy)acetate | HCID 309738 | 80.1% |
Reaction Steps
To a mixture of Paracetamol (300 grams, 1.984 mol), anhydrous K2CO3 (1.80 Kg, 7.814 mmol) in anhydrous acetone (3 liters) was added ethyl bromo acetate (452 grams, 2.7 mol) and refluxed for 16 hours. Acetone was distilled and water (5 liter) was added. Crude 59 was filtered, dried, and recrystallized from a mixture of toluene:Hexane (1:5) to give pure 59 (377 grams, 80%) as a white shining powder. The melting point was found to be 104.2-106.2° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08802892B2 |
| Source dataset | uspto-grants-2014_08 |
| ORD ID | ord-219153ef796449b992d2e5ce0b269361 |
| Source note | uspto-grants-2014_08 |