HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
2-Nitro-2'-hydroxy-3',5'-bis(tert-amyl)azobenzene → Tinuvin
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 2-Nitro-2'-hydroxy-3',5'-bis(tert-amyl)azobenzene | HCID 104111 | — |
| Edukt | Diazene, (nitrophenyl)phenyl-, (E)- | HCID 142206 | — |
| Edukt | 2-tert-Butyl-6-[2-(5-chloro-2-nitrophenyl)hydrazinylidene]-4-methylcyclohexa-2,4-dien-1-one | HCID 135815812 | — |
| Produkt | Tinuvin | HCID 62531 | — |
Reaktionsschritte
When in Example 1, the 2'-hydroxy-3',5'-di-tert-amyl-2-nitroazobenzene is replaced by an equivalent amount of 2'-hydroxy-3'-tert-butyl-5'-methyl-5-chloro-2-nitroazobenzene and the ratio of the moles of alkali to moles of o-nitroazobenzene intermediate is 0.848/1, the product 5-chloro-2-(2-hydroxy-3-tert-butyl-5-methylphenyl)-2H-benzotriazole is obtained.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US04041044 |
| Quelldatensatz | uspto-grants-1977_08 |
| ORD ID | ord-ced5b35309b54e79b7eeff9efdfb1527 |
| Quellennotiz | uspto-grants-1977_08 |