Endo-/exo- and halogen-bonded complexes of conformationally rigid C-ethyl-2-bromoresorcinarene and aromatic N-oxides

Rakesh Puttreddy, Ngong Kodiah Beyeh, Robin H. A. Ras, John F. Trant, Kari Rissanen
2017 CrysteEngComm  
Unlike that of the conformationally flexible C-ethyl-2-methylresorcinarene the structurally more rigid C4v cavity in C-ethyl-2-bromoresorcinarene prefers only small aromatic N-oxides stabilized through C–H⋯π interactions.
doi:10.1039/c7ce00975e fatcat:klf3fq4vlzhfjfs2maydv2mjje