HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 15676673, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 15672410 | HCID 15672410 | — |
| Solvent | Toluene | HCID 1140 | — |
| Product | HCID 15676673 | HCID 15676673 | 117.3% |
Reaction Steps
5-(1,3-Dioxolan-2-yl)-2-(4-isopropyl-4-methyl-5-oxo-2-imidazolin-2-yl)nicotinic acid (10.02 g, 0.03 mol) and acetic anhydride in toluene is heated at reflux temperature for 5 hours. Concentration in vacuo gives the title compound as an orange solid (11.10 g, 100%), mp 146°-148° C., identified by IR and NMR spectral analyses.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05039333 |
| Source dataset | uspto-grants-1991_08 |
| ORD ID | ord-8e343d437c75401ba6205755b7281401 |
| Source note | uspto-grants-1991_08 |