EP 1274693 A1 20030115 - METHOD FOR PRODUCING 2,5-DIKETOPIPERAZINES, 2,5-DIKETOPIPERAZINES, DIPEPTIDES AND THE USE THEREOF
Title (en)
METHOD FOR PRODUCING 2,5-DIKETOPIPERAZINES, 2,5-DIKETOPIPERAZINES, DIPEPTIDES AND THE USE THEREOF
Title (de)
VERFAHREN ZUR HERSTELLUNG VON 2,5-DIKETOPIPERAZINEN, 2,5-DIKETOPIPERAZINE, DIPEPTIDE UND DEREN VERWENDUNG
Title (fr)
PROCEDE DE PREPARATION DE 2,3-DICETOPIPERAZINES, 2,5-DICETOPIPERAZINES, DIPEPTIDES ET LEUR UTILISATION
Publication
Application
Priority
- DE 10019879 A 20000420
- EP 0103322 W 20010323
Abstract (en)
[origin: WO0181321A1] The invention relates to a method for producing 2,5-diketopiperazines of general formula (I) by heating dipeptides of general formula (II) in an organic solvent while removing water by distillation. The invention also relates to novel 2,5-diketopiperazines, to dipeptides and to the use thereof.
IPC 1-7
IPC 8 full level
C07D 241/08 (2006.01); C07K 5/06 (2006.01); C07K 5/068 (2006.01); C07K 5/12 (2006.01)
CPC (source: EP US)
C07D 241/08 (2013.01 - EP US); C07K 5/06086 (2013.01 - EP US); C07K 5/06191 (2013.01 - EP US); C07K 5/12 (2013.01 - EP US)
Citation (search report)
See references of WO 0181321A1
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 0181321 A1 20011101; DE 10019879 A1 20011025; EP 1274693 A1 20030115; JP 2003531197 A 20031021; NO 20025004 D0 20021017; NO 20025004 L 20021219; NO 323617 B1 20070618; US 2004024180 A1 20040205
DOCDB simple family (application)
EP 0103322 W 20010323; DE 10019879 A 20000420; EP 01927786 A 20010323; JP 2001578414 A 20010323; NO 20025004 A 20021017; US 25802903 A 20030528