All

What are you looking for?

All
Projects
Results
Organizations

Quick search

  • Projects supported by TA ČR
  • Excellent projects
  • Projects with the highest public support
  • Current projects

Smart search

  • That is how I find a specific +word
  • That is how I leave the -word out of the results
  • “That is how I can find the whole phrase”

Phenol-Substituted Tetrapyrazinoporphyrazines: pH-Dependent Fluorescence in Basic Media

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11160%2F15%3A10312720" target="_blank" >RIV/00216208:11160/15:10312720 - isvavai.cz</a>

  • Result on the web

    <a href="http://onlinelibrary.wiley.com/doi/10.1002/chem.201502533/full" target="_blank" >http://onlinelibrary.wiley.com/doi/10.1002/chem.201502533/full</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1002/chem.201502533" target="_blank" >10.1002/chem.201502533</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Phenol-Substituted Tetrapyrazinoporphyrazines: pH-Dependent Fluorescence in Basic Media

  • Original language description

    Tetrapyrazinoporphyrazines (TPyzPzs) bearing one, two, four or eight 3,5-di(tert-butyl)-4-hydroxyphenol moieties were synthesized as zinc(II) complexes and metal-free derivatives. The deprotonation of the phenol using tetrabutylammonium hydroxide inducedthe formation of a strong donor for intramolecular charge transfer that switched OFF the red fluorescence (lambda(F) ~ 660 nm) of the parent zinc TPyzPzs. The changes were fully reversible for TPyzPzs with one to four phenolic moieties, and an irreversible modification was observed for TPyzPzs substituted with eight phenols. The sensors were anchored to lipophilic particles in water, and a pK(a) approximately 12.5-12.7 was determined for the phenolic hydroxyl based on fluorescence changes in differentbuffers. In addition, a novel concept for fluorescence OFF-ON-OFF switching in metal-free TPyzPzs bearing phenolic moieties upon addition of specific amounts of base was demonstrated.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    CC - Organic chemistry

  • OECD FORD branch

Result continuities

  • Project

    <a href="/en/project/GP14-02165P" target="_blank" >GP14-02165P: Red-emitting Fluorescence Sensors Based on Azaphthalocynine Structure: Study of Aza-Crown Recognition Moiety</a><br>

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2015

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Name of the periodical

    Chemistry - A European Journal

  • ISSN

    0947-6539

  • e-ISSN

  • Volume of the periodical

    21

  • Issue of the periodical within the volume

    41

  • Country of publishing house

    DE - GERMANY

  • Number of pages

    11

  • Pages from-to

    14382-14392

  • UT code for WoS article

    000363331600021

  • EID of the result in the Scopus database

    2-s2.0-84942296368