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

Bruno Zavala-Contreras; Hisila Santacruz-Ortega; Angel Ulises Orozco-Valencia; Motomichi Inoue; Karen Ochoa Lara; Rosa Elena Navarro

doi:10.1021/acsomega.0c05554

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

Bruno Zavala-Contreras, Hisila Santacruz-Ortega^*, Angel Ulises Orozco-Valencia, Motomichi Inoue, Karen Ochoa Lara, Rosa Elena Navarro

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

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.

Original language	English
Pages (from-to)	9381-9390
Number of pages	10
Journal	ACS Omega
Volume	6
Issue number	14
DOIs	https://doi.org/10.1021/acsomega.0c05554
State	Published - 13 Apr 2021

Bibliographical note

Funding Information:
This work was supported by the Consejo Nacional de Ciencia y Tecnología de México (CONACyT, Red Temática de Química Supramolecular” Proyecto 294810) and Universidad de Sonora (grant no. USO316006137). B.Z.-C. thanks CONACYT for graduate doctoral scholarship.

Publisher Copyright:
© 2021 The Authors. Published by American Chemical Society.

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title = "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.",

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AU - Zavala-Contreras, Bruno

AU - Santacruz-Ortega, Hisila

AU - Orozco-Valencia, Angel Ulises

AU - Inoue, Motomichi

AU - Ochoa Lara, Karen

AU - Navarro, Rosa Elena

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

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