FORFARANDE FOR FRAMSTELLNING AV NYA CEFALOSPORINER

FORFARANDE FOR FRAMSTELLNING AV NYA CEFALOSPORINER

1508064 N-Piperazinocarbonyl-amino acid derivatives TOYAMA CHEMICAL CO Ltd 28 April 1975 [13 Aug 1974 28 Oct 1974 17 Feb 1975] 15360/77 Divided out of 1508062 Heading C2C Novel compounds I and salts and carboxyl derivatives thereof (R is an amino acid residue; R2 and R3 are H or alkyl and R2 and R3...

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Bibliographische Detailangaben
Hauptverfasser: 1)I SAIKAWA, 6)S KURODA, 5)K MOMONOI, 9)Y KODAMA, 3)C YOSHIDA, 7)M KOMATSU, 2)S TAKANO, 8)T YASUDA, 4)O TAKASHIMA
Format: Patent
Sprache:swe
Schlagworte:
CHEMISTRY
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Zusammenfassung:1508064 N-Piperazinocarbonyl-amino acid derivatives TOYAMA CHEMICAL CO Ltd 28 April 1975 [13 Aug 1974 28 Oct 1974 17 Feb 1975] 15360/77 Divided out of 1508062 Heading C2C Novel compounds I and salts and carboxyl derivatives thereof (R is an amino acid residue; R2 and R3 are H or alkyl and R2 and R3 are both linked to the same carbon atom; and A is H or an optionally substituted alkyl, alkenyl, aryl or aralkyl group) are prepared by reaction of a compound II NH 2 RCOOR1 (III) (R1 is H or a cation) with a reactive derivative of a compound IV