HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → Fingolimod Hydrochloride
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Fingolimod | HCID 107970 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | Fingolimod Hydrochloride | HCID 107969 | — |
Reaction Steps
In an embodiment, fingolimod hydrochloride may be obtained by dissolving fingolimod of step b) in ethanol, cooling the reaction mixture to 0° C. to 5° C., adding ethanolic hydrochloride solution drop wise over a period of 10 to 30 minutes at the same temperature to obtain a suspension, maintaining the suspension at the same temperature for 1 to 3 hours, filtering the obtain solid, washing with an ether solvent and optionally drying the product obtained to give fingolimod hydrochloride.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US09216943B2 |
| Source dataset | uspto-grants-2015_12 |
| ORD ID | ord-25957b60a1c045bc81780e54440473fd |
| Source note | uspto-grants-2015_12 |