Journal
RSC ADVANCES
Volume 4, Issue 96, Pages 53484-53489Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c4ra06320a
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- DST
- CSIR (New Delhi)
- CSIR
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A new class of novel conjugated and highly fluorescent isobenzotriazolophanes containing electron-rich N-heterocyclic moieties, such as pyrrole, indole and carbazole, were synthesized for the first time through McMurry coupling. The carbazole-based isobenzotriazolophane with a quantum yield of 0.38 showed a positive response to the quenching of electron-deficient aromatic nitro compounds, such as picric acid (PA), selectively at micromolar concentration. The Stern-Volmer quenching constant is 8.82 x 10(2) M-1 and the limit of detection (LOD) of PA was found to be 19 ppm.
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