Conception and birth of new receptor chemistry from dibenzo-18-crown-6

J. Fraser Stoddart*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

45 Scopus citations


The ability of dibenzo-3n-crown-n ethers (n = 6–12) to form stable adducts in solution with a range of neutral and cationic transition metal complexes is discussed. The concept of second sphere coordination can be enlarged to one of molecular recognition involving the whole gamut of non-covalent bonding interactions. It is described how this research led logically to molecular receptors for the bipyridinium herbicides Diquat and Paraquat. In particular, dibenzo-30-crown-10 forms a highly selective 1:1 complex with Diquat whereas, a constitutional isomer, bispara-phenylene-34-crown-10, is a good molecular receptor for Paraquat.

Original languageEnglish (US)
Pages (from-to)467-472
Number of pages6
JournalPure and Applied Chemistry
Issue number4
StatePublished - Jan 1 1988

ASJC Scopus subject areas

  • Chemistry(all)
  • Chemical Engineering(all)


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