Crystal structures of three homologues with increasing ring size: 2-meth­oxy-4-(thio­phen-2-yl)-5,6,7,8-tetra­hydro­quinoline-3-carbo­nitrile, 2-meth­oxy-4-(thio­phen-2-yl)-6,7,8,9-tetra­hydro-5H-cyclo­hepta­[b]pyridine-3-carbo­nitrile and 2-meth­oxy-4-(thio­phen-2-yl)-5,6,7,8,9,10-hexa­hydrocyclo­octa[b]pyridine-3-carbo­nitrile

Hebishy, A.M.S.; Elgemeie, G.H.; Gouda, L.M.; Jones, P.G.

doi:10.1107/S2056989023001883

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 6
Part of the three-dimensional molecular packing of compound 1b, viewed perpendicular to (1 $[\overline{1}]$ 0), showing the `weak' hydrogen bonds (drawn as dashed bonds). Atom labels indicate the asymmetric unit. Two inversion-symmetric substructures are shown, each with two further molecules related by the 2₁ axis.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 79| Part 4| April 2023| Pages 335-340

https://doi.org/10.1107/S2056989023001883

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