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首页> 外文期刊>Journal of Inclusion Phenomena and Macrocyclic Chemistry >Molecular recognition of naphthalenediamine by polyamine modified β-cyclodextrin:yttrium metal complexes
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Molecular recognition of naphthalenediamine by polyamine modified β-cyclodextrin:yttrium metal complexes

机译：多胺修饰的β-环糊精：钇金属配合物对萘二胺的分子识别

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摘要

The 6-OH group of β-cyclodextrin was modified by diethylene triamine and triethylene tetramine, respectively, mono[6-diethylenetriamino]-6-deoxy-β-cyclo dextrin (DTCD) and mono[6-triethylenetetraamino]-6-deoxy-β-cyclodextrin (TTCD) were synthesized, which included 1,5-naphthalenediamine and 1,8-naphthalenedi-amine, respectively, in the presence of rare earth metal yttrium chloride. As a result, four ternary inclusion complexes (host-guest-metal) formed, which were characterized via ~1HNMR spectroscopy. The chemical shift variations of host and guest molecules were studied. The stoichiometric proportion of host and guest molecules is 2:1 for all the complexes. Signal degeneration still exists for the guest molecules after the inclusion process, which verifies the symmetrical conformation of guest molecules inside the cavities of two host molecules. All the four complexes exhibit "sandwich"-typed structure.
机译：β-环糊精的6-OH基团分别被二亚乙基三胺和三亚乙基四胺，单[6-二亚乙基三氨基] -6-脱氧-β-环糊精（DTCD）和单[6-三亚乙基四氨基] -6-脱氧-羟基修饰在稀土金属氯化钇存在下，合成了分别包含1,5-萘二胺和1,8-萘二胺的β-环糊精（TTCD）。结果，形成了四个三元夹杂物（客体-客体金属），通过〜1HNMR光谱对其进行了表征。研究了主体和客体分子的化学位移变化。对于所有复合物，主体分子和客体分子的化学计量比例为2：1。包含过程后，客体分子仍然存在信号变性，这验证了两个宿主分子腔内客体分子的对称构象。所有四个复合物均表现出“三明治”型结构。

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