Ion-sensitive dyes

Details Ion-sensitive dyes Ion-sensitive dyes

1995-06-23

1997-06-24

Redding, David A.

Chemistry: analytical and immunological testing

Metal or metal containing

436 74, 436 79, 422 8206, 422 8211, 549348, G01N 3384, G01N 3122, C07D32300

Patent

active

056416849

ABSTRACT:
##STR1## The invention provides compounds represented by formula (I), wherein Y is --(CH.sub.2).sub.2 [O(CH.sub.2).sub.2 ].sub.n -- in which n is an integer from 1 to 6; Z is --N.dbd.N--Ar in which Ar is a substituted or unsubstituted aryl group; Q is hydrogen or an alkyl group having from 1 to 4 carbon atoms; each R independently is hydrogen or a substituent free of acidic protons; and X is R or Z. The compounds are ion-sensitive dyes suitable for use in optical ion sensors.

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patent: 5187103 (1993-02-01), Czech et al.
Alder, J.F. et al. "An Optical Potassium Ion Sensor.", Analyst, Aug. 1987, vol. 112, pp. 1191-1192.
S. Shinkai et al. "Autoaccelerative Diazo Coupling with Calix[4]arene" J. Chem. Society, Perkin Trans. 1, No. 1 1989, 195-196.
E. Nomura et al. "Selective Ion Extraction by a Calix[6]arene Derivative Containing Azo Groups". Chemistry Letters, No. 7, 1989, pp. 1125-1126.
Abstract--T. Shono, "14-Crown-4-Ethers Containing Phenylazo Groups for Metal-Ion Extraction Photometric Reagents and as Ionophores." Chemical Abstracts, vol. 107, No. 20, 16 Nov. 1987.

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