HuagongsheHuagongshe Chemistry Print Report · For research reference only
Donepezil → HCID 24801487, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Donepezil | HCID 3152 | — |
| Reactant | Fumaric Acid | HCID 444972 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 24801487 | HCID 24801487 | — |
Reaction Steps
Fumaric acid (1.16 g, dissolved in 35 ml of acetone) is slowly added to a solution of Donepezil (3.79 g) in ethyl acetate (70 ml) with stirring at room temperature. The solid precipitated is filtered and dried at 55° C. under vacuum to give the title compound. Melting point: 170.1° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08501779B2 |
| Source dataset | uspto-grants-2013_08 |
| ORD ID | ord-a5cc860780164907a83717f878bdbc7c |
| Source note | uspto-grants-2013_08 |