Refereed journal article or data article (A1)

An Efficient Novel Acetate Anion Receptor based on Isatin




List of AuthorsSu HY, Li JW, Lin H, Lin HK

PublisherSOC BRASILEIRA QUIMICA

Publication year2010

JournalJournal of the Brazilian Chemical Society

Journal name in sourceJOURNAL OF THE BRAZILIAN CHEMICAL SOCIETY

Journal acronymJ BRAZIL CHEM SOC

Volume number21

Issue number3

Start page541

End page545

Number of pages5

ISSN0103-5053

DOIhttp://dx.doi.org/10.1590/S0103-50532010000300021


Abstract
An anion recognition receptor, a kind of thiourea derivative, was designed and synthesized by combining indoline-2,3-dione and 1,3-diaminothiourea. The anion recognition can be easily monitored by anion complexation induced changes in UV-vis absorption spectra. In particular, the binding ratio between the receptor and fluoride is 1:2 but in the case of dihydrogenphosphate and acetate are 1:1. Moreover, the affinity constants revealed that the receptor can recognize acetate well. Finally, H-1 NMR experiments were carried out to explore the nature of interaction between this new receptor and acetate.

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