Polymer-bound fluorophores as optical ion sensors

Details Polymer-bound fluorophores as optical ion sensors Polymer-bound fluorophores as optical ion sensors

C - Chemistry, Metallurgy

07

D

C07D 219/08 (2006.01) C07D 311/82 (2006.01) C07D 401/12 (2006.01) C07D 493/10 (2006.01) C08F 246/00 (2006.01) C08G 18/32 (2006.01) C09B 15/00 (2006.01) C09B 57/00 (2006.01) G01N 31/22 (2006.01) G01N 33/533 (2006.01)

Patent

CA 2229743

The invention relates to compounds of formula (I), (IIa) or (IIb), wherein R1, R2, R5 and R6 are each independently of one another hydrogen, -SO2-(C1- C6)alkylphenyl, C1-C30alkyl, C1-C30alkyl-CO- or a radical of formula -(CnH2n-O- )m-R10; R3 is hydrogen or -SO2-(C1-C6)alkylphenyl; R4 and R7 are C1-C30 alkylene or a radical of formula -(CnH2n-O-)m-R10; Z is a functional group which is selected from the group consisting of -OH, -SH, -NH2, -COOH, -NCO, - CO-NR8YR9Y, -NH-CO-CH=CH2, -NH-CO-C(CH3)=CH2; R8 and R9 are each independently of the other C1-C30alkylene; R10 is a direct bond or C1-C12alkylene; n is a number from 2 to 6, and m is a number from 1 to 10, with the proviso that the total number of carbon atoms is at most 30; and Y is -OH or -SH. The compounds are used as comonomers for the preparation of copolymer membranes for plasticiser-free ion sensors.

L'invention concerne des composés de formules (I), (IIa) ou (IIb) dans lesquelles R¿1?, R¿2?, R¿5? et R¿6? représentent chacun indépendamment hydrogène, -SO¿2?-alkyle(C¿1?-C¿6?)-phényle, alkyle C¿1?-C¿30?, alkyle C¿1?-C¿30?-CO- ou un radical de formule -(C¿n?H¿2n?-O-)¿m?-R¿10?; R¿3? représente hydrogène ou -SO¿2?-alkylphényle(C¿1?-C¿6?); R¿4? et R¿7? représentent alkylène C¿1?-C¿30? ou un radical de formule -(C¿n?H¿2n?-O-)¿m?-R¿10?; Z représente un groupe fonctionnel choisi dans le groupe constitué par -OH, -SH, -NH¿2?, -COOH, -NCO, -CO-NR¿8?YR¿9?Y, -NH-CO-CH=CH¿2?, -NH-CO-C(CH¿3?)=CH¿2?; R¿8? et R¿9? représentent chacun indépendamment alkylène C¿1?-C¿30?; R¿10? représente une liaison directe ou alkylène C¿1?-C¿12?; n est un nombre compris entre 2 et 6 et m est un nombre compris entre 1 et 10, à condition que le nombre total des atomes de carbone ne dépasse pas 30; et Y représente -OH ou -SH. Ces composés sont utilisés en tant que comonomères dans la préparation de membranes copolymères destinées à des capteurs d'ions dépourvus de plastifiant.

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