Letters in Organic Chemistry Anion Receptors Based on Acyclic Phenol-Formaldehyde Oligomers Bearing Thiourea Groups

Authors: Ito, Kazuaki; Ito, Takeshi; Takasawa, Toshiro; Ohba, Yoshihiro

Source: Letters in Organic Chemistry, Volume 3, Number 4, April 2006 , pp. 260-266(7)

Publisher: Bentham Science Publishers

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Abstract:

We prepared anion receptors based on acyclic phenol-formaldehyde oligomer bearing thiourea groups. The dimer (1b) and trimer (1c) showed the binding selectivity toward chloride (Cl-) and hydrogen sulfate (HSO4 -), respectively. This selectivity will be attributed to the fit size and shape of anionic species, which favor formation of a stable host-guest complex through the multiple intermolecular hydrogen bonding.





Keywords: Anion recognition; acyclic phenol-formaldehyde oligomer; hydrogen bonding; thiourea

Document Type: Research Article

DOI: http://dx.doi.org/10.2174/157017806776114603

Affiliations: Department of Chemistry and Chemical Engineering, Faculty of Engineering, Yamagata University, Jyonan 4-3-16, Yonezawa 992-8510 Japan.

Publication date: April 1, 2006

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  • Letters in Organic Chemistry publishes original letters on all areas of organic chemistry including synthesis, bioorganic, medicinal, natural products, organometallic, supramolecular, molecular recognition and physical organic chemistry. The emphasis is placed on publishing quality papers very rapidly. Letters are processed rapidly and take full advantage of the Internet technology both for the submission and the review of the manuscripts.
    The journal is essential reading for all organic chemists both in academia and industry.
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