Cage-like structures based on constrained cyclic arylopeptoids
Résumé
The access to cupola-like or tube-like structures from ortho-and meta-arylopeptoid macrocycles was explored through CuAAC reaction using a partially flexible bis(azide) and Cu IN -heterocyclic carbene as catalyst. NMR studies showed that a bis-triazolium bicylic compound in the ortho-series adopts well-defined structure in polar aprotic and protic solvents. Besides, preliminary study revealed its potential for oxoanion recognition.
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