HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 178502586, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 178502585 | HCID 178502585 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Product | HCID 178502586 | HCID 178502586 | — |
Reaction Steps
70.5 g (0.27 mol) Methyl 5-amino-3-benzylthiopyrazole-4-carboxylate was dissolved at 80° C. in 135 ml glacial acetic acid and treated with 27.75 g (0.27 mol) acetic anhydride. The solution was heated under reflux for 7 hours and concentrated. The residue was recrystallised from ether, the crystals suction filtered, washed with ether and dried.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US04892576 |
| Source dataset | uspto-grants-1990_01 |
| ORD ID | ord-b23cb7de40d24c38ae3ac57960e8c999 |
| Source note | uspto-grants-1990_01 |