HuagongsheHuagongshe Chemistry Print Report · For research reference only
Phosphoric Acid → HCID 11677224, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Phosphoric Acid | HCID 1004 | — |
| Reactant | Donepezil | HCID 3152 | — |
| Solvent | Ethyl Acetate | HCID 8857 | — |
| Product | HCID 11677224 | HCID 11677224 | — |
Reaction Steps
Phosphoric acid (0.58 ml, dissolved in 35 ml of 2-propanol) 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.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08501779B2 |
| Source dataset | uspto-grants-2013_08 |
| ORD ID | ord-65f3b4cb72b9423cbfd790b0bddc8bf0 |
| Source note | uspto-grants-2013_08 |