HuagongsheHuagongshe Chemistry Print Report · For research reference only
Hydrochloric Acid → HCID 178440328, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Hydrochloric Acid | HCID 313 | — |
| Reactant | Methanol | HCID 887 | — |
| Reactant | Sildenafil Citrate | HCID 135413523 | — |
| Solvent | Ethanol | HCID 702 | — |
| Product | HCID 178440328 | HCID 178440328 | — |
Reaction Steps
Sildenafil citrate (9.5 g) is dissolved in a mixture of ethanol (10 mL) and HCl (1N, 60 mL), then reacted at 50° C. for 10 mins. Under room temperature, the methanol is added for incubating over night and crystallization. Then, the crystal is filtrated to obtain precipitate of Sildenafil HCl (6.4 g) for use.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US08497370B2 |
| Source dataset | uspto-grants-2013_07 |
| ORD ID | ord-622e3e675a384c18b597715b8e805b30 |
| Source note | uspto-grants-2013_07 |