Fluorgenic and chomogenic three-dimensional ionophores as select

Details Fluorgenic and chomogenic three-dimensional ionophores as select Fluorgenic and chomogenic three-dimensional ionophores as select

1991-06-26

1995-08-08

Snay, Jeffrey R.

Chemistry: analytical and immunological testing

Metal or metal containing

Present in biological fluids

436 79, 436172, G01N 2164

Patent

active

054398282

ABSTRACT:
Novel fluorogenic and chromogenic three-dimensional ionophores are provided which selectively bond ions such as potassium, sodium, and lithium, even in neutral aqueous or alcohol media. The novel ionophores comprise an "ion-recognizing system" fused to a "signal-moiety" through one or more heteroatoms having a non-bonded electron pair. The signal-moieties are selected from the group consisting of fused ring heterocyclics, fused aromatics, and subsituted aromatics having at least one nitro or azo moiety. The ion-recognizing system is a three-dimensional cryptand. The ionophores are ideal for the selective and direct termination of ions in biological or environmental samples and the like.

REFERENCES:
patent: 4367072 (1983-01-01), Vogtle et al.
patent: 4645744 (1987-02-01), Charlton et al.
patent: 5177221 (1993-01-01), Cram et al.
O. A. Gansow et al., "Synthesis and Characterization of Some Bifunctional 2B:2:1 Cryptands" Journal of Heterocyclic Chemistry, vol. 18, Mar. 1981, (Tampa, USA) pp. 297-302.

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