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Optical Anion Receptors with Urea/Thiourea Subunits on a TentaGel Support.

ABSTRACT: Two simple chemosensors with urea (L1) and thiourea (L2) groups were synthesized and studied by different spectroscopic techniques. Both receptors can sense acetate (Ac-), dihydrogen phosphate (H2PO4 -), and fluoride (F-) anions, accompanied by changes in UV-vis and 1H NMR spectra, and an optical response is observed as a color change of the solutions due to deprotonation and hydrogen-bonding processes. Also, L1 and L2 were supported on TentaGel resins (R1 and R2), and their fluoride-sensing properties in DMSO and water solutions were studied. Interestingly, R2 can sense fluoride ions in sample solutions of 100% water.

SUBMITTER: Zavala-Contreras B 

PROVIDER: S-EPMC8047691 | biostudies-literature |

REPOSITORIES: biostudies-literature

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