EP 1349821 A1 20031008 - PROCESS FOR THE C-ALKYLATION OF AROMATIC HYDROXYL COMPOUNDS
Title (en)
PROCESS FOR THE C-ALKYLATION OF AROMATIC HYDROXYL COMPOUNDS
Title (de)
VERFAHREN ZUR C-ALKYLIERUNG AROMATISCHER HYDROXY-VERBINDUNGEN
Title (fr)
PROCEDE DE C-ALKYLATION DE COMPOSES HYDROXYLE AROMATIQUES
Publication
Application
Priority
US 0100710 W 20010109
Abstract (en)
[origin: WO02055461A1] Disclosed is a process for the preparation of dialkyl aromatic hydroxyl compounds such as dialkylphenols, dialkylbenzenediols, diakylnaphthols and dialkylnaphthalenediols, especially 2,5-dialkyl-hydroquinone, by contacting an aromatic hydroxy compound with an olefin in the presence of a sulfonic acid and sulfuric acid wherein the sulfonic acid:sulfuric acid molar ratio is in the range of0.3:1 to 3:1.
IPC 1-7
IPC 8 full level
C07B 61/00 (2006.01); C07C 37/14 (2006.01); C07C 39/08 (2006.01)
CPC (source: EP)
C07C 37/14 (2013.01)
Citation (search report)
See references of WO 02055461A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
DOCDB simple family (publication)
WO 02055461 A1 20020718; EP 1349821 A1 20031008; JP 2004517867 A 20040617
DOCDB simple family (application)
US 0100710 W 20010109; EP 01900977 A 20010109; JP 2002556141 A 20010109