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The title compound, C30H29NO4, is a tetra-cyclic system containing a 4-aryl-pyridine fragment, two benzene rings and an aza-17-crown-5 ether moiety, in a bowl-like arrangement. The pyridine ring is inclined to the 4-methyl-phenyl ring by 26.64 (6)°, and by 57.43 (6) and 56.81 (6)° to the benzene rings. The benzene rings are inclined to one another by 88.32 (6)°. In the crystal, mol-ecules are linked by pairs of C-H⋯N hydrogen bonds, forming inversion dimers with an R 2 (2)(14) ring motif. The dimers are linked via a number of C-H⋯π inter-actions, forming a three-dimensional architecture.

acta crystallographica. section e, crystallographic communications

Crystal structure of 26-(4-methylphenyl)-8,11,14,17-tetraoxa-28-azatetracyclo[22.3.1.0<sup>2,7</sup>.0<sup>18,23</sup>]hexacosa-2,4,6,18(23),19,21,24(1),25,27-nonaene

Crystal structure of 26-(4-methylphenyl)-8,11,14,17-tetraoxa-28-azatetracyclo[22.3.1.02,7.018,23]hexacosa-2,4,6,18(23),19,21,24(1),25,27-nonaene

Crystal structure of 26-(4-methylphenyl)-8,11,14,17-tetraoxa-28-azatetracyclo[22.3.1.0^2,7.0^18,23]hexacosa-2,4,6,18(23),19,21,24(1),25,27-nonaene