HuagongsheHuagongshe Chemistry Print Report · For research reference only
Bromotrichloromethane → Malonic acid, bromoethyl-, diethyl ester
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Bromotrichloromethane | HCID 6383 | — |
| Reactant | Diethyl ethylmalonate | HCID 8610 | — |
| Catalyst | Potassium Carbonate | HCID 11430 | — |
| Catalyst | Tetrabutylammonium Fluoride Trihydrate | HCID 11726816 | — |
| Product | Malonic acid, bromoethyl-, diethyl ester | HCID 141469 | 95% |
Reaction Steps
In a 10 mL round-bottom flask, 1.88 g of diethyl ethylmalonate (10 mmol), 2.18 g of bromotrichloromethane (11 mmol), 79 mg of tetra-n-butylammonium fluoride trihydrate (0.25 mmol), and 69 mg of potassium carbonate (0.5 mmol) were stirred at 24° C. for 1 h. An exothermic reaction caused the temperature of the mixture to rise to 40° C. After filtration of the solids, the solution was found to contain 2.5 g (95% yield) of diethyl α-bromo-α-ethylmalonate.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05132475 |
| Source dataset | uspto-grants-1992_07 |
| ORD ID | ord-c901fdc568f648ab94821a48eee83946 |
| Source note | uspto-grants-1992_07 |