15 research outputs found

    β-Cyclodextrin Supramolecular Recognition of bis-Cationic Dithienylethenes

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    The supramolecular interactions in water between b-cyclodextrin and the open and closed photochromic forms of two bis-cationic dithienylethenes, characterized by different electronic properties, were investigated aiming at underlying the key aspects of the recognition process. The dithienylethene equipped with the cyclopentenyl unit showed a difference in binding free energies to the b-cyclodextrin between the open and closed photochromic forms of about 1 kJ/mol. Conversely, the dithienylethene equipped with the perfluorinated cyclopentenyl unit not only was a better guest but showed a three times higher difference in the binding of free energies between the open and closed isomers

    CMS physics technical design report : Addendum on high density QCD with heavy ions

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    Competitive micellar induced substrate selectivity in the Pd mediatedheck coupling between iodoaryl substrates and linear acrylic esters inwater

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    Significant substrate selectivity was observed in the competitive Heck coupling reaction, betweeniodoaryl substrates and five acrylate esters from methyl to lauryl with Pd(OAc)2in water, under cationicmicellar conditions. While in organic medium the shorter acrylate reacts faster than the longer ones,the opposite trend is observed in the micellar medium because the latter hosts the longer, lipophilicsubstrates much better than the shorter one

    Regulation of gene expression by prolactin

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