HuagongsheHuagongshe Chemistry Print Report · For research reference only
Malonic Acid → HCID 19810666, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Malonic Acid | HCID 867 | — |
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 2815427 | HCID 2815427 | — |
| Product | HCID 19810666 | HCID 19810666 | — |
Reaction Steps
A quantity of 4.75 g of 1-cyclopropylmethyl-3-phenyl urea and 2.60 g of malonic acid are heated in 30 ml of acetic acid anhydride at 75° C. for 4 hours. After cooling slowly, the acetic acid anhydride is evaporated in vacuo. The residue is boiled in ethanol, cooled and filtered. The resulting crystalline product is the title compound (5) and melts at 91°-95° C.; yield 5.21 g.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05164396 |
| Source dataset | uspto-grants-1992_11 |
| ORD ID | ord-7ff0f01b82184cbc93a56b40cc65f4ab |
| Source note | uspto-grants-1992_11 |