Royal Society of Chemistry, CrystEngComm, 30(19), p. 4312-4320
DOI: 10.1039/c7ce00975e
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Unlike that of the conformationally flexibleC-ethyl-2-methylresorcinarene the structurally more rigidC4vcavity inC-ethyl-2-bromoresorcinarene prefers only small aromaticN-oxides stabilized through C–H⋯π interactions.