5,11,17,23‐Tetra‐tert‐butyl‐25,26,27,28‐tetrakis(2‐cyanobenzyloxy)‐2,8,14,20‐tetrathiacalix[4]arene–dichloromethane (1/2) |
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Authors: | Shujing Dong Wenxiang Zhu Daqiang Yuan Xi Yan |
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Abstract: | A new p‐tert‐butylthiacalix4]arene derivative, C72H68N4O4S4·2CH2Cl2, has been synthesized and is comprised of one tetra‐p‐tert‐butyltetrakis(2‐cyanobenzyloxy)tetrathiacalix4]arene and two dichloromethane molecules. The calix4]arene molecule is centrosymmetric and adopts an unusual 1,2‐alternate conformation viaπ–π interactions between adjacent cyanophenyl rings on the lower rim of the parent thiacalix4]arene system. |
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