HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Citric Acid → Promethazine
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Citric Acid | HCID 311 | — |
| Edukt | Sucrose | HCID 5988 | — |
| Edukt | Promethazine Hydrochloride | HCID 6014 | — |
| Edukt | N-vinyl-2-pyrrolidone | HCID 6917 | — |
| Edukt | Sorbic Acid | HCID 643460 | — |
| Lösungsmittel | Water | HCID 962 | — |
| Produkt | Promethazine | HCID 4927 | — |
Reaktionsschritte
22.6 g of promethazine HCl, 25.0 g of polyvinylpyrrolidone K 90 prepared as in Example 8, 5.0 g of citric acid, 2.0 g of sorbic acid and 60.0 g of sucrose were dissolved in 975.0 g of demineralized water at 50° C., and the solution was cooled to room temperature and dispensed into 50 ml amber glass bottles.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US08524827B2 |
| Quelldatensatz | uspto-grants-2013_09 |
| ORD ID | ord-ee649061a5d1459fbcf89e3caa807012 |
| Quellennotiz | uspto-grants-2013_09 |