rac-(9R,10R)-3,6,9,10-Tetra­bromo-8,8-dimethyl-9,10-di­hydro-2H,8H-pyrano[2,3-f]chromen-2-one (tetra­bromo­seselin): a photobiochemically active pyran­ocoumarin

Bauri, A.K.; Foro, S.; Rahman, A.F.M.M.

doi:10.1107/S2414314618003462

Figure 3
A view along the a axis of the crystal packing of the title compound, showing the hydrogen bonds (dashed cyan lines; see Table 1

), the offset π–π interactions (blue dashed lines), and indicating the R₂²(16) ring motifs in the hydrogen-bonded chain. Only H atoms H3 and H9 have been included.

IUCrDATA

ISSN: 2414-3146

Volume 3| Part 3| March 2018| x180346

https://doi.org/10.1107/S2414314618003462

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