Calix[4]arene dimers; self-assembly via hydrogen bonding at the upper rim

Oliver Struck, Willem Verboom, Wilberth J.J. Smeets, Anthony L. Spek, David N. Reinhoudt

Research output: Contribution to journalArticleAcademicpeer-review

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The X-ray structure determination of calix[4]arenedicarboxylic acid unequivocally proves the self-assembled dimeric structure in the solid state. Also in apolar solvents two calix[4]arene molecules are connected via carboxylic acid moieties at the upper rim. NMR studies show that in polar solvents the calix[4]arenedicarboxylic acid is present as a monomer with a pinched cone conformation that differs from the dimeric structure in apolar solvents.
Original languageEnglish
Pages (from-to)223-227
JournalJournal of the Chemical Society. Perkin transactions II
Issue number2
Publication statusPublished - 1997


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