Separation and detection of meta- and ortho- substituted benzene isomers by water-soluble pillar[5]arene
Name:
Separation_cplu.202000275.pdf
Size:
1.544Mb
Format:
PDF
Description:
Accepted manuscript
Embargo End Date:
2021-05-25
Type
ArticleKAUST Department
Advanced Membranes and Porous Materials Research CenterChemical Science Program
Clean Combustion Research Center
Physical Science and Engineering (PSE) Division
Smart Hybrid Materials (SHMs) lab
Date
2020-06-10Online Publication Date
2020-06-10Print Publication Date
2020-06Embargo End Date
2021-05-25Submitted Date
2020-04-05Permanent link to this record
http://hdl.handle.net/10754/662988
Metadata
Show full item recordAbstract
Efficient and energy-saving separation of benzene isomers bearing a diverse range of functional groups is a great challenge due to their overlapping physicochemical properties. Here, we report a water soluble pillar[5]arene (WP5) that is successfully used as a multifunctional material for the separation and detection of meta/orthosubstituted benzene isomers in water. A liquid-liquid extraction strategy was used for the separation of these benzene isomers based on their different affinity to WP5 in water. The selectivity for the metaover the ortho- isomer for xylenes, chlorotoluene and bromotoluene was 88.6%, 88.3% and 95.0% respectively, in one extraction cycle. Furthermore, a fluorescence indicator system based on WP5 and a fluorescent dye molecule (10-methylacridinium, D) was adopted and exhibited significant fluorescence and optical discrimination upon the addition of MX compared to OX, which implies that a simple “turn-on” detection can be performed prior to engaging in the separation process.Citation
Zhang, G., Moosa, B., Chen, A., & Khashab, N. (2020). Separation and detection of meta- and ortho- substituted benzene isomers by water-soluble pillar[5]arene. ChemPlusChem. doi:10.1002/cplu.202000275Sponsors
We thank King Abdullah University of Science and Technology (KAUST) and the AMPM center for supporting this work.Publisher
WileyJournal
ChemPlusChemAdditional Links
https://onlinelibrary.wiley.com/doi/abs/10.1002/cplu.202000275ae974a485f413a2113503eed53cd6c53
10.1002/cplu.202000275