Crystal structures of two 4H-chromene derivatives: 2-amino-3-cyano-4-(3,4-di­chloro­phen­yl)-7-hy­droxy-4H-benzo[1,2-b]pyran 1,4-dioxane monosolvate and 2-amino-3-cyano-4-(2,6-di­chloro­phen­yl)-7-hy­droxy-4H-benzo[1,2-b]pyran

Silambarasan, S.; Nasser, A.J.A.; Mohandas, T.

doi:10.1107/S2056989019013197

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 3
A view of the hydrogen-bonding interactions in (I)

, showing the formation of centrosymmetric dimers. The C-bound hydrogen atoms are omitted for clarity. [Symmetry codes: (i) −x, 2 − y, 1 − z; (ii) −x, $[{1\over 2}]$ + y, $[{1\over 2}]$ − z.]

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 75| Part 10| October 2019| Pages 1568-1572

https://doi.org/10.1107/S2056989019013197

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