Synthesis and crystal structures of 5,17-di­bromo-26,28-dihy­droxy-25,27-dipropynyloxycalix[4]arene, 5,17-di­bromo-26,28-dipropoxy-25,27-dipropynyloxycalix[4]arene and 25,27-bis­(2-azido­eth­oxy)-5,17-di­bromo-26,28-di­hydroxy­calix[4]arene

Gorbunov, A.; Bezzubov, S.; Malakhova, M.; Kovalev, V.; Vatsouro, I.

doi:10.1107/S2056989024003785

Acta Crystallographica Section E
Acta Crystallographica
Section E CRYSTALLOGRAPHIC COMMUNICATIONS

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Figure 3
Molecular structure of 25,27-bis(2-azidoethoxy)-5,17-dibromo-26,28-dihydroxycalix[4]arene (3), with displacement ellipsoids drawn at the 50% probability level. O—H⋯O hydrogen bonds are shown by dotted lines.

CRYSTALLOGRAPHIC
COMMUNICATIONS

ISSN: 2056-9890

Volume 80| Part 6| June 2024| Pages 555-560

https://doi.org/10.1107/S2056989024003785

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