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5,11,17,23-Tetra-tert-butyl-25,26,27,28-[(5-methylfurfuryl)oxycarbonylmethoxy]calix[4]arene

✍ Scribed by Ferguson, G. ;Li, Y. ;McKervey, M. A. ;Madigan, E.

Book ID
114511018
Publisher
International Union of Crystallography
Year
1994
Tongue
English
Weight
472 KB
Volume
50
Category
Article
ISSN
0108-2701

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📜 SIMILAR VOLUMES

5,11,17,23-Tetra-tert-butyl-25,26,27,28-
5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetra­pentoxycalix[4]arene
✍ Brusko, Vasiliy ;Böhmer, Volker ;Bolte, Michael 📂 Article 📅 2005 🏛 International Union of Crystallography 🌐 English ⚖ 225 KB

The molecule of the title compound, C 64 H 96 O 4 , adopts the typical pinched-cone conformation. The dihedral angles between the reference plane (defined by the C atoms of the methylene bridges) and the benzene rings are 86.88 (4), 136.64 (5), 87.22 (4) and 133.99 (4) .

5,11,17,23-Tetra-tert-butyl-25,26,27,28-
5,11,17,23-Tetra-tert-butyl-25,26,27,28-tetramethoxycalix[4]arene tetrahydrofuran solvate
✍ Fischer, Conrad ;Gruber, Tobias ;Seichter, Wilhelm ;Weber, Edwin 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 802 KB

The asymmetric unit of the title compound, C 44 H 64 O 4 ÁC 4 H 8 O, comprises two crystallographically independent calixarene molecules, which display a partial cone conformation, and two tetrahydrofuran molecules. The crystal packing is stabilized by C-HÁ Á Á contacts involving the methoxy groups,