TRIJODERADE ISOFTALSYRADIAMIDER ANVAENDBARA SAOSOM SKUGGIVANDE SUBSTANSER I ROENTGENKONTRASTMEDEL, FOERFARANDE FOER FRAMSTAELLNING AV DESSA SAMT ROENTGENKONTRASTMEDEL SOM INNEHAOLLER DESSA

TRIJODERADE ISOFTALSYRADIAMIDER ANVAENDBARA SAOSOM SKUGGIVANDE SUBSTANSER I ROENTGENKONTRASTMEDEL, FOERFARANDE FOER FRAMSTAELLNING AV DESSA SAMT ROENTGENKONTRASTMEDEL SOM INNEHAOLLER DESSA

New triiodinated isophthalic acid diamides of the formula wherein the amide residues -CO-N.R1R2 and -CO-N.R3R4 are different from each other and R1 is hydrogen or C1-6 alkyl, R2 is mono- or polyhydroxyalkyl, R3 is hydrogen or C1-6 alkyl, R4 is mono- or polyhydroxylalkyl, R5 is C1-6 alkyl or mono- or...

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Hauptverfasser: SPECK,ULRICH, BLASZKIEWICH,PETER, SEIDELMANN,DIETER, KLIEGER,ERICH
Format: Patent
Sprache:fin ; swe
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ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMISTRY
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
ORGANIC CHEMISTRY
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
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Zusammenfassung:New triiodinated isophthalic acid diamides of the formula wherein the amide residues -CO-N.R1R2 and -CO-N.R3R4 are different from each other and R1 is hydrogen or C1-6 alkyl, R2 is mono- or polyhydroxyalkyl, R3 is hydrogen or C1-6 alkyl, R4 is mono- or polyhydroxylalkyl, R5 is C1-6 alkyl or mono- or polyhydroxy-C1-6-alkyl or C1-3-alkoxy-C1-3-alkyl, and R6 is hydrogen, C1-6 alkyl or mono- or polyhydroxyalkyl provide superior nonionic X-ray contrast media.