Crystal structures of three 1-oxo-1,2-di­hydro­naphthalene derivatives: dimethyl 4-(4-meth­oxy­phen­yl)-2-(4-methyl­phen­yl)-1-oxo-1,2-di­hydro­naphthalene-2,3-di­carboxyl­ate, dimethyl 1-oxo-2-(pyren-4-yl)-4-(thio­phen-2-yl)-1,2-di­hydro­naphthalene-2,3-di­carboxyl­ate and ethyl 1-oxo-2-phenyl-2,4-bis­(thio­phen-2-yl)-1,2-di­hydro­naphthalene-3-carboxyl­ate

Gopinath, S.; Narayanan, P.; Sethusankar, K.; Karunakaran, J.; Nandakumar, M.; Mohanakrishnan, A.K.

doi:10.1107/S2056989017000469

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 5
A packing diagram of compound (II)

, viewed approximately along the a axis, showing the π–π interactions (dashed lines). H atoms have been omitted for clarity. Cg3, Cg6 and Cg7 are the centroids of the C1–C6, C22–C25/C33/C34 and C25–C29/C34 benzene rings, respectively. [Symmetry code: (iii) − $[{1\over 2}]$ + x, $[{1\over 2}]$ − y, − $[{1\over 2}]$ + z.]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 73| Part 2| February 2017| Pages 177-182

https://doi.org/10.1107/S2056989017000469

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