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Synthesis of a sensitive and selective potassium-sensing fluoroionophore.

ABSTRACT: An efficient synthesis is reported that delivers in 5 steps and 52% overall yield a new structurally simplified fluorescent K(+) sensor with improved K(+) sensitivity and selectivity over existing K(+) sensors. The synthesis procedure utilizes a new template-directed oxidative C-N bond-forming macrocyclization reaction and reports new approaches to Pd(0), Sandmeyer-like and metal-free aminoarylations, as well as organotitanium additions to vinylogous sulfonates.

SUBMITTER: Carpenter RD 

PROVIDER: S-EPMC3315285 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Synthesis of a sensitive and selective potassium-sensing fluoroionophore.

Carpenter Richard D RD   Verkman A S AS  

Organic letters 20100301 6

An efficient synthesis is reported that delivers in 5 steps and 52% overall yield a new structurally simplified fluorescent K(+) sensor with improved K(+) sensitivity and selectivity over existing K(+) sensors. The synthesis procedure utilizes a new template-directed oxidative C-N bond-forming macrocyclization reaction and reports new approaches to Pd(0), Sandmeyer-like and metal-free aminoarylations, as well as organotitanium additions to vinylogous sulfonates. ...[more]

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