EP 1425261 A2 20040609 - METHOD FOR PRODUCING 4-AMINO-1-NAPHTHOL ETHERS
Title (en)
METHOD FOR PRODUCING 4-AMINO-1-NAPHTHOL ETHERS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON 4-AMINO-1-NAPHTHOLETHERN
Title (fr)
PROCEDE DE PRODUCTION D'ETHERS 4-AMINO-1-NAPHTOL
Publication
Application
Priority
- DE 10142461 A 20010831
- DE 10154076 A 20011102
- EP 0209242 W 20020819
Abstract (en)
[origin: WO03020686A2] The invention relates to a method for producing 4-amino-1-naphthol ethers which is characterized in that naphthol ethers are firstly produced from 1-naphthols, are subsequently transformed into corresponding 4-acetamino-1-naphthol ethers, whereupon the acyl group is then split off. The invention also concerns certain 4-acetamino-1-naphthol ethers.
IPC 1-7
IPC 8 full level
C07C 213/02 (2006.01); C07C 231/10 (2006.01); C07D 295/092 (2006.01); C07C 217/94 (2006.01)
CPC (source: EP US)
C07C 213/02 (2013.01 - EP US); C07C 231/10 (2013.01 - EP US); C07D 295/088 (2013.01 - EP US)
Citation (search report)
See references of WO 03020686A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SK TR
DOCDB simple family (publication)
WO 03020686 A2 20030313; WO 03020686 A3 20031204; AU 2002333464 A1 20030318; CN 1315781 C 20070516; CN 1547568 A 20041117; EP 1425261 A2 20040609; US 2003083525 A1 20030501; US 2005261498 A1 20051124; US 6964963 B2 20051115
DOCDB simple family (application)
EP 0209242 W 20020819; AU 2002333464 A 20020819; CN 02816708 A 20020819; EP 02797591 A 20020819; US 19436805 A 20050801; US 22852902 A 20020827