EP 1218349 A2 20020703 - METHOD FOR SELECTIVELY DISSOCIATING CYCLIC CARBOXYLIC ACID ANHYDRIDES
Title (en)
METHOD FOR SELECTIVELY DISSOCIATING CYCLIC CARBOXYLIC ACID ANHYDRIDES
Title (de)
VERFAHREN ZUR SELEKTIVEN SPALTUNG CYCLISCHER CARBONSÄUREANHYDRIDE
Title (fr)
PROCEDE POUR DISSOCIER DE MANIERE SELECTIVE DES ANHYDRIDES D'ACIDES CARBOXYLIQUES CYCLIQUES
Publication
Application
Priority
- DE 19947953 A 19991006
- EP 0009636 W 20001002
Abstract (en)
[origin: DE19947953A1] The invention relates to a method for selectively dissociating cyclic carboxylic acid anhydrides. According to the inventive method, a chiral amino alcohol with a tertiary amino group that may have a partially or completely bridged structure is used as the chiral auxiliary reagent.
IPC 1-7
IPC 8 full level
C07D 233/34 (2006.01); C07B 53/00 (2006.01); C07D 453/04 (2006.01); C07D 491/04 (2006.01); C07D 491/044 (2006.01); C07D 491/048 (2006.01)
CPC (source: EP US)
C07D 453/04 (2013.01 - EP US); C07D 491/04 (2013.01 - EP US)
Citation (search report)
See references of WO 0125215A2
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)
DE 19947953 A1 20010412; AU 1020801 A 20010510; EP 1218349 A2 20020703; JP 2003511374 A 20030325; US 6884893 B1 20050426; WO 0125215 A2 20010412; WO 0125215 A3 20011025
DOCDB simple family (application)
DE 19947953 A 19991006; AU 1020801 A 20001002; EP 0009636 W 20001002; EP 00971309 A 20001002; JP 2001528161 A 20001002; US 11006802 A 20020408