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421 Newest Publications in journal of inclusion phenomena and macrocyclic chemistry

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Study on inclusion interaction of hydrophilic 2-chloromandelic acid with hydroxypropyl-β-cyclodextrin

27-Nov-2012 | Ping Xu, Xinyu Jiang, Congshan Zhou, Kewen Tang, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

The inclusion interaction between hydroxypropyl-β-cyclodextrin (HP-β-CD) and hydrophilic 2-chloromandelic acid (CMA) was studied by ultraviolet (UV) absorption spectrophotometer. A reliable determination of the complex stoichiometry was provided by the continuous variation technique. 1H NMR ...

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Computational investigation of enol/keto chloramphenicol with β-cyclodextrin

27-Nov-2012 | Madi Fatiha, Largate Leila, Khatmi Djamel Eddine, Nouar Leila, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

PM3 and ONIOM2 were carried out to investigate the structures and properties for the inclusion complexes of chloramphenicol tautomers into β-cyclodextrin (at 1:1 stoichiometry). Two possible orientations into host cavity were considered for both enol and keto chloramphenicol. The PM3 results ...

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Complexation ability of kryptofix 22DD with lanthanum (III) cation in some binary mixed non-aqueous solvents

08-Nov-2012 | Gholam Hossein Rounaghi, Azadeh Shafaie Bejestani, Mahmoud Chamsaz, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

The complex formation between lanthanum (III) cation with kryptofix 22DD was studied in acetonitrile–dimethylformamide (AN–DMF), acetonitrile–methanol (AN–MeOH), acetonitrile–ethylacetate (AN–EtOAc) and acetonitrile–ethanol (AN–EtOH) binary solvent solutions at different temperatures by using ...

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Anion binding properties of tris(2-hydroxyphenyl)methanes

08-Nov-2012 | Tatsunori Sato, Kazuaki Ito, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

Tris(2-hydroxyphenyl)methane derivatives (1) displayed excellent selectivity for Cl− in comparison with other anions tested (Br−, I− and NO3−) by 1H NMR titration experiments. This selectivity is attributed to the fit size and shape of Cl−, which favor the formation of a stable host–guest complex ...

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Synthesis, computational study and binding properties of some structurally rigid glycoluril-derived molecular clips

07-Nov-2012 | Esmail Rezaei-Seresht, Sirous Salemi, Sara Taghizadeh, Mehri Ghorbani, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

Several new clip-shaped molecules, with different degrees of steric hindrance around their cavities as well as more rigidity on their glycoluril scaffold, have been synthesized and the molecular geometry of their most stable structures has been investigated and optimized with density functional ...

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Conductometric studies of thermodynamics of complexation of Li+, Na+ and K+ ions with 4′,4″(5″)-di-tert-butyldibenzo-18-crown-6 in binary acetonitrile–nitromethane mixtures

07-Nov-2012 | Mehdi Taghdiri, Mahmood Payehghadr, Reza Behjatmanesh-Ardakani, Nargess Eslami, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

The complexation reactions between 4′,4″(5″)-di-tert-butyldibenzo-18-crown-6 (DTBDB18C6) and Li+, Na+ and K+ ions were studied conductometrically in different acetonitrile–nitromethane mixtures at various temperatures. The formation constants of the resulting 1:1 complexes were calculated from ...

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Cyclodextrin-based polyrotaxanes

31-Oct-2012 | Tomasz Girek, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

In the paper cyclodextrin-based (CD) polyrotaxanes are presented in the aspect of their syntheses and properties allowing various applications. The text consists of four parts, which describe CD-based polyrotaxanes with threads containing poly(ethylene oxide), poly (4,4′-diphenylenevinylene), ...

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Recent developments in microextraction techniques based on crown ethers

24-Oct-2012 | Roya Mohammadzadeh kakhki, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

Sample preparation is essential for isolating desired components from complex matrices and greatly influences their reliable and accurate analysis. Microextraction techniques such as solid phase micro extraction and liquid–liquid–liquid micro extraction based on hollow fiber and also single drop ...

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The effect of phenoxy oxygen atoms on extremely high extraction ability and less separation efficiency of trivalent rare earth elements with tetraphosphonic acid derivative of calix[4]arene

24-Oct-2012 | Keisuke Ohto, Akihito Takedomi, Anup Basnet Chetry, Shintaro Morisada, Hidetaka Kawakita, Tatsuya Oshima, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

A cone confomational p-t-octylcalix[4]arene with four methylenephosphonic acids at the lower rim as well as its monomeric analog have been synthesized as a new extraction reagent to investigate the extraction behavior of the nine trivalent rare earth elements: Y, La, Pr, Nd, Sm, Eu, Gd, Ho and ...

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Study of the interaction between modified cyclodextrin and octopriox : potential applications in drug delivery

19-Oct-2012 | C. Dollendorf, M. Maier, R. Janda, H. Ritter, Journal of Inclusion Phenomena and Macrocyclic Chemistry, 2012

Host–guest interactions between the antifungal agent Octopirox® (Oc) and modified β-cyclodextrin-derivatives were studied using 1H- and 2D-ROESY NMR spectroscopy, Job-Plot and isothermal titration calorimetry (ITC). In addition to β-cyclodextrin (β-CD) a number of derivatives, namely randomly ...

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