Abstract
A unique double-cyclic ladder-type oligomer (4) with a central hole, which resembles a waterwheel architecture, was synthesized in one step via the condensation reaction of resorcinol (1, difunctional unit) with 1,5-pentanedial (2, tetrafunctional unit). Compound 4 was characterized by NMR spectroscopy, mass spectrometry as well as X-ray single crystal analysis. Mechanism studies by examining the size-exclusion chromatography (SEC) profiles of the obtained products over time revealed that compound 3 is the key intermediate on the reaction pathway leading to the final product formation. The ester derivative of 4 showed excellent selectivity for Rb+ ion, which was presumably enclosed in the central hole in the molecule.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
