AT341093B - Verfahren zur herstellung von neuen cephalosporinderivaten

Verfahren zur herstellung von neuen cephalosporinderivaten

Info

Publication number: AT341093B
Authority: AT; Austria
Prior art keywords: cephalosporin derivatives; manufacturing new; new cephalosporin; manufacturing; derivatives
Prior art date: 1974-04-15

Application number

AT677876A

Other languages

Other versions

Original Assignee

Takeda Chemical Industries Ltd

Priority date

1974-04-15

Filing date

1976-09-13

Publication date

1978-01-25

1974-04-15 Priority claimed from JP4257474A external-priority patent/JPS57874B2/ja

1974-07-17 Priority claimed from JP8262374A external-priority patent/JPS5652908B2/ja

1974-11-13 Priority claimed from JP13138174A external-priority patent/JPS5512913B2/ja

1974-12-23 Priority claimed from AT1029374A external-priority patent/AT341667B/de

1975-03-29 Priority claimed from KR7500661A external-priority patent/KR800001569B1/ko

1976-09-13 Application filed by Takeda Chemical Industries Ltd filed Critical Takeda Chemical Industries Ltd

1977-05-15 Publication of ATA677876A publication Critical patent/ATA677876A/de

1978-01-25 Application granted granted Critical

1978-01-25 Publication of AT341093B publication Critical patent/AT341093B/de

AT677876A 1974-04-15 1976-09-13 Verfahren zur herstellung von neuen cephalosporinderivaten AT341093B (de)