EP 1135372 A1 20010926 - METHOD FOR PREPARING 4-HYDROQUINOLINES AND/OR TAUTOMERIC COMPOUNDS
Title (en)
METHOD FOR PREPARING 4-HYDROQUINOLINES AND/OR TAUTOMERIC COMPOUNDS
Title (de)
VERFAHREN ZUR HERSTELLUNG VON 4-HYDROXYCHINOLINEN UND/ODER TAUTOMEREN FORMEN
Title (fr)
PROCEDE DE PREPARATION DE 4-HYDROXYQUINOLEINES ET/OU FORMES TAUTOMERES
Publication
Application
Priority
- FR 9902985 W 19991201
- FR 9815126 A 19981201
Abstract (en)
[origin: FR2786483A1] The invention concerns a method for preparing 4-hydroquinolines and/or tautomeric compounds. More particularly, the invention concerns 5,7-dichloro-4-quinolines and/or its tautomeric compounds. The method is characterised in that it consists in heating a 4-hydroquinolinecarboxylic acid, its derivatives or precursors, at a temperature not more than 200 DEG C in the presence of a base.
IPC 1-7
IPC 8 full level
C07D 215/233 (2006.01); C07D 215/56 (2006.01); C07D 215/22 (2006.01)
CPC (source: EP US)
C07D 215/233 (2013.01 - EP US); C07D 215/56 (2013.01 - EP US)
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
US 6362340 B1 20020326; AU 1393400 A 20000619; CN 1329598 A 20020102; EP 1135372 A1 20010926; FR 2786483 A1 20000602; FR 2786483 B1 20010216; HU P0104482 A2 20020328; HU P0104482 A3 20021228; JP 2002531440 A 20020924; WO 0032576 A1 20000608
DOCDB simple family (application)
US 85681001 A 20010525; AU 1393400 A 19991201; CN 99814001 A 19991201; EP 99973021 A 19991201; FR 9815126 A 19981201; FR 9902985 W 19991201; HU P0104482 A 19991201; JP 2000585218 A 19991201