拥抱C ((60) 与多武装的地理测量合作伙伴
S Mizyed1, P E Georghiou, M Bancu
1Department of Chemistry, Memorial University of Newfoundland, St. John's, Newfoundland, Canada A1B 3X7.
Journal of the American Chemical Society
|December 26, 2001
概括
合成了新的碗形冠烯衍生物,发现它们与C(60) 富勒伦形成复合体. 这些宿主-客体复合体表现出不同的结合强度,表明在分子识别和超分子化学中的潜在应用.
科学领域:
- 超分子化学 超分子化学
- 有机合成 有机合成
- 材料科学 材料科学 材料科学
背景情况:
- 冠烯是一种独特的弧形多环芳,作为构建宿主分子的多功能平台.
- 具有乙烯连接的功能化冠氨基素提供了针对分子识别的定制电子和硬质性质.
研究的目的:
- 为了合成新型的 pentakis 和 tetrakis 替代的 thiophenyl corannulene 衍生物.
- 为了研究这些冠状蛋白与C(60) 富勒伦的宿主-客客复合行为.
主要方法:
- 通过化合成冠烯,然后用硫酸盐进行核芳香替代.
- 使用光谱技术进行表征.
- 具有约束力的研究采用 (1) H NMR 在二烯-d 的定位.
主要成果:
- 成功合成了1,3,5,7,9-pentakis(4-methoxyphenylthio) corannulene,1,3,5,7,9-pentakis(2-naphthylthio) corannulene,以及1,3,6,8-tetrakis(4-methoxyphenylthio) corannulene. 这两种化合物中的一个.
- 在合成的冠烯和C(60) 烯之间展示了1:1复合形成.
- 对各个复合体的关联常数 (454,368和280M(-1)) 的量化.
结论:
- 合成的冠烯衍生物作为C(60) 富勒伦的有效宿主.
- 结合亲和力受硫替代剂的性质和位置的影响.
- 这些发现突显了功能化冠烯在烯封装和分离中的潜力.
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