C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 311/16 (2006.01) C07D 311/82 (2006.01) G01N 31/00 (2006.01) G01N 31/22 (2006.01)
Patent
CA 2401558
Compounds of the general formula (I) or (II) or salts thereof; and reagents for the quantitation of active oxygen, containing the compounds or the salts: wherein R1 and R2 are each independently optionally substituted aryl, e.g., amino- or hydroxyl-substituted phenyl; and R3 is optionally substituted 2- carboxyphenyl.
L'invention concerne des composés correspondant à la formule générale (I) ou (II), ou des sels de ceux-ci; elle concerne également des réactifs destinés au dosage de l'oxygène actif et contenant les composés ou sels correspondant à la formule générale (I) ou (II), dans lesquelles R?1¿ et R?2¿ représentent chacun indépendamment aryle éventuellement substitué, par exemple phényle substitué par amino ou hydroxyle, et R?3¿ représente 2-carboxyphényle éventuellement substitué.
Nagano Tetsuo
Setsukinai Ken-Ichi
Urano Yasuteru
Daiichi Pure Chemicals Co. Ltd.
Fetherstonhaugh & Co.
Nagano Tetsuo
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