5,17-Diformyl-25,26,27,28-tetrabenzyloxycalix[4]arene: functionalization of the upper rim of a calix[4]arene
✍ Scribed by Decken, Andreas ;Harvey, Pierre D. ;Douville, Jasmin
- Publisher
- International Union of Crystallography
- Year
- 2004
- Tongue
- English
- Weight
- 201 KB
- Volume
- 60
- Category
- Article
- ISSN
- 1600-5368
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📜 SIMILAR VOLUMES
Single-crystal X-ray study T = 173 K Mean '(C±C) = 0.004 A Ê Some non-H atoms missing Disorder in solvent or counterion R factor = 0.057 wR factor = 0.153 Data-to-parameter ratio = 14.4 For details of how these key indicators were automatically derived from the article, see http://journals.iucr.org
The title compound, C 54 H 66 N 2 O 4 , crystallizes with two molecules in the asymmetric unit. Both adopt the typical partial cone conformation which was also found for 26,28-diallyloxy-5,17-di-tert-butyl-25,27-bis(cyanomethoxy)-11,23-dinitrocalix[4]arene [Danila, Bo ¨hmer & Bolte (2005). Org. Biom