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Modulation of Bambusuril Anion Affinity in Water

机译:调制水中的班武丽利环亲和力

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Neutral and negatively charged anion receptors functioning in pure water are rare in supramolecular chemistry. Moreover, studies on adjusting the affinity of such receptors toward anions in water are absent from the literature. Two new bambusurils, 1a and 2a, were prepared to demonstrate that the affinity of bambusurils towards anions can be altered by the length of carboxyalkyl groups attached to the macrocycles. The stability of the bambusuril complexes was further controlled by the pH value. The crystal structure of bambusuril 1a was described, in which two carboxyalkyl arms fold into the macrocycle cavity, thus forming the intramolecular self-inclusion complex.
机译:在纯水中起作用的中性和带负电的阴离子受体在超分子化学中罕见。 此外,文献中不存在对调节这些受体对水中阴离子的亲和力的研究。 准备两个新的班枪,1A和2A,以证明班甘氏脲对阴离子的亲和力可以通过连接到大键曲线上的羧基烷基的长度来改变。 通过pH值进一步控制班杂尿嘧啶复合物的稳定性。 描述了Bambusuril1a的晶体结构,其中两个羧基烷基臂折叠到大循环腔中,从而形成分子内自掺杂复合物。

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