2,4-Bis(1,1-dimethylethyl)-6-[2-(2-nitrophenyl)diazenyl]phenol → 2-(2'-Hydroxy-3'5-di-tert-butylphenyl) benzotriazole

HRID 904338

Reaktionsgleichung

Reaktionsgleichung von HRID 904338
[N+:1]([C:4]1[CH:9]=[CH:8][CH:7]=[CH:6][C:5]=1[N:10]=[N:11][C:12]1[CH:17]=[C:16]([C:18]([CH3:21])([CH3:20])[CH3:19])[CH:15]=[C:14]([C:22]([CH3:25])([CH3:24])[CH3:23])[C:13]=1[OH:26])([O-])=O>C(O)(C)C.C(N(CC)CC)C.[Pd]>[OH:26][C:13]1[C:14]([C:22]([CH3:25])([CH3:24])[CH3:23])=[CH:15][C:16]([C:18]([CH3:21])([CH3:20])[CH3:19])=[CH:17][C:12]=1[N:11]1[N:10]=[C:5]2[CH:6]=[CH:7][CH:8]=[CH:9][C:4]2=[N:1]1

Komponenten

4

Edukt 1

HCID 1041102,4-Bis(1,1-dimethylethyl)-6-[2-(2-nitrophenyl)diazenyl]phenol

Produkt 1

HCID 774552-(2'-Hydroxy-3'5-di-tert-butylphenyl) benzotriazoleAusbeute 77 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 23938PalladiumKatalysatorHCID 21183856Isopropanol triethylamineLösungsmittel

Versuchsvorschrift

When using the general procedure of Example 5, a 23% by weight suspension of 2-nitro-2'-hydroxy-3',5'-di-tert-butylazobenzene in isopropanol/triethylamine (1/0.18) was hydrogenated at 45° C. at 1 atmosphere pressure for 3 hours in the presence of 3% of a 5% palladium on charcoal catalyst the above noted product was obtained in a yield of 77%.

Aufarbeitung

  1. customthe above noted product was obtained in a yield of 77%

Quellen und Nachweise

ORD-Eintrag
ord-6db687a322b24b6da166884f270153dc
Quelldatensatz
uspto-grants-1980_10
Patentnummer
US04230867

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