Isobutylene → 2,4-Dimethyl-6-tert-butylphenol

HRID 903673Notizen

Reaktionsgleichung

Reaktionsgleichung von HRID 903673
[C:1]1([OH:9])[C:2]([CH3:8])=[CH:3][C:4]([CH3:7])=[CH:5][CH:6]=1.[C:10]1([OH:18])[C:11]([CH3:17])=[CH:12][CH:13]=[C:14]([CH3:16])[CH:15]=1.[CH3:19][C:20](=[CH2:22])[CH3:21]>>[C:2]([C:13]1[CH:12]=[C:11]([CH3:17])[C:10]([OH:18])=[CH:15][C:14]=1[CH3:16])([CH3:8])([CH3:3])[CH3:1].[C:20]([C:6]1[CH:5]=[C:4]([CH3:7])[CH:3]=[C:2]([CH3:8])[C:1]=1[OH:9])([CH3:21])([CH3:19])[CH3:22]

Komponenten

4

Edukt 2

HCID 8255IsobutyleneHCID 124109532,4-Xylenol 2,5-xylenol

Produkt 2

HCID 158842,4-Dimethyl-6-tert-butylphenolHCID 87249Phenol, 4-(1,1-dimethylethyl)-2,5-dimethyl-

Versuchsvorschrift

butylating the entire 2,4-xylenol/2,5-xylenol mixture with isobutylene at a temperature of from about 20° C. to about 100° C. and pressures of from about ambient to about 200 pounds per square inch gauge in the presence of an acid catalyst to form predominantly 4-t-butyl-2,5-xylenol and 6-t-butyl-2,4-xylenol,

Aufarbeitung

  1. customof from about 20° C. to about 100° C. and pressures

Quellen und Nachweise

ORD-Eintrag
ord-7526f424f2be4d06a7678a97ba714827
Quelldatensatz
uspto-grants-1980_10
Patentnummer
US04228311

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