HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
Propionyl bromide → HCID 11764909, Verbindung
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | Propionyl bromide | HCID 69018 | — |
| Edukt | 2-[5-Amino-2-(trifluoromethyl)phenyl]-5-n-butyl-4-[[2'-(N-t-butylsulfamoyl)biphenyl-4-yl]methyl]-2,4-dihydro-3H-1,2,4-triazol-3-one | HCID 10100136 | — |
| Katalysator | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Produkt | HCID 11764909 | HCID 11764909 | 67% |
Reaktionsschritte
Reaction of 2-[5-amino-2-(trifluoromethyl)phenyl]-5-n-butyl-4-[[2'-(N-t-butylsulfamoyl)biphenyl-4-yl]methyl]-2,4-dihydro-3H-1,2,4-triazol-3-one (from Step D) with propionyl bromide (2 equivalents) in the presence of DMAP (1 equiv) according to the procedure of Example 69 gave a 67% yield of the title compound; homogeneous by TLC in 95:5 CH2Cl2 --MeOH.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05411980 |
| Quelldatensatz | uspto-grants-1995_05 |
| ORD ID | ord-da1a978efe344971be44d2fe3a8cfb27 |
| Quellennotiz | uspto-grants-1995_05 |