EP 1399429 A1 20040324 - 1,3,4-OXADIAZOL-2-YL THIOESTERS AND THEIR USE FOR ACYLATING 7-AMINOCEPHALOSPORINS
Title (en)
1,3,4-OXADIAZOL-2-YL THIOESTERS AND THEIR USE FOR ACYLATING 7-AMINOCEPHALOSPORINS
Title (de)
1,3,4-OXADIAZOL-2-YLTHIOESTER UND IHRE VERWENDUNG ZUR ACYLIERUNG VON 7-AMINOCEPHALOSPORINEN
Title (fr)
1,3,4-OXADIAZOL-2-YL THIOESTERS ET LEUR UTILISATION POUR L'ACYLATION DE 7-AMINOCEPHALOSPORINES
Publication
Application
Priority
IN 0100113 W 20010614
Abstract (en)
[origin: WO03004477A1] Compounds of formula (I) wherein X is halogen and R1 is alkyl or phenyl, are useful for the preparation of cephalosporins of the formula (VI) through acylation and thiourea cyclisation.
IPC 1-7
IPC 8 full level
C07D 271/113 (2006.01); C07D 501/00 (2006.01); C07D 501/06 (2006.01); C07D 271/10 (2006.01)
CPC (source: EP)
C07D 271/113 (2013.01); C07D 501/00 (2013.01)
Citation (search report)
See references of WO 03004477A1
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)
DOCDB simple family (application)
IN 0100113 W 20010614; EP 01949861 A 20010614