HuagongsheHuagongshe Chemistry Print Report · For research reference only
2-Acetylbutyrolactone → HCID 178432037, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2-Acetylbutyrolactone | HCID 10601 | — |
| Reactant | HCID 178419529 | HCID 178419529 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178432037 | HCID 178432037 | 31.5% |
Reaction Steps
A solution of 5-amino-4-bromo-3-methylpyrazole hydrobromide (13 g, 51 mmol) and α-acetyl-γ-butyrolactone (6.8 g, 53 mmol) in ethanol (65 mL) was heated under reflux for nine hours. After cooling to room temperature, the resulting crystals were collected by filtration, to give the title compound (4.6 g) as white crystals.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06995163B2 |
| Source dataset | uspto-grants-2006_02 |
| ORD ID | ord-9f5ec6ec4ee443db95100004c7794e99 |
| Source note | uspto-grants-2006_02 |