106960-71-8Relevant articles and documents
4H-Pyran and Pyrylium Hemispherands: Partly Preorganized Ionophores with Reactive Molecular Cavities
Dijkstra, Pieter J.,Hertog, Herman J. den,Eerden, Johan van,Harkema, Sybolt,Reinhoudt, David N.
, p. 374 - 382 (2007/10/02)
The synthesis and reactivity of a 2,6-diaryl-substituted pyrylium cation incorporated in an 18-membered macrocycle (3a,b) has been studied.Hemispherands with a central pyridine (4a,b) and with alkyl- or phenyl-substituted pyridinium ions (5a,b) were obtai