The title compound, C 64 H 66 O 6 P 2 , possesses crystallographic twofold symmetry and displays the calixarene cone conformation. The two symmetry-independent calixarene rings subtend interplanar angles of 143.06 (3) and 97.71 (4) to the reference plane of the bridging C atoms. The phosphoryl O ato
✦ LIBER ✦
5,17-Diformyl-25,26,27,28-tetrapropoxycalix[4]arene
✍ Scribed by Li, Zhengyi; Ma, Hongzhao; Lai, Yuan; Chen, Liang; Sun, Xiaoqiang
- Book ID
- 120015672
- Publisher
- International Union of Crystallography
- Year
- 2013
- Tongue
- English
- Weight
- 291 KB
- Volume
- 69
- Category
- Article
- ISSN
- 1600-5368
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Selective Halogen-Lithium Exchange Reaction of Bromine-Substituted 25, 26,27,28-Tetrapropoxycalix(4)arene (Ia). -The selective bromine-lithium exchange of (Ia) with either BuLi or tBuLi in THF followed by quenching of the lithiated derivatives with MeOH, D2O, Me2S2, B(OMe)3, DMF, or CO2 as electrop