HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
1,1'-Biphenyl, mixt. with 1,1'-oxybis(benzene) → Pregna-4,16-diene-3,20-dione
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 1,1'-Biphenyl, mixt. with 1,1'-oxybis(benzene) | HCID 24670 | — |
| Edukt | Hydroxyprogesterone Caproate | HCID 169870 | — |
| Produkt | Pregna-4,16-diene-3,20-dione | HCID 101964 | 83% |
Reaktionsschritte
One gram of 17α-hexanoyloxy-4pregnene-3,20-dione is heated analogously to Example 1 in "Dowtherm" for 80 minutes to 285° C., worked up, separated, and combined. Recrystallization from ethanol yields 600 mg of 4,16-pregnadiene-3,20-dione (83% of theory), m.p. 185°-190° C.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04290963 |
| Quelldatensatz | uspto-grants-1981_09 |
| ORD ID | ord-c3f69325bb174eaa9e16edc3a966420d |
| Quellennotiz | uspto-grants-1981_09 |