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A cyclopeptide-derived molecular cage for sulfate ions that closes with a click.

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Prisijungti Registracija

The 2:1 sandwich-type complexes formed between a cyclopeptide with alternating L-proline and 6-aminopicolinic acid subunits and inorganic anions can be stabilized by covalently linking a tris-alkyne and a tris-azide derivative of this peptide through copper-catalyzed azide-alkyne cycloaddition. The

A molecular oyster: a neutral anion receptor containing two cyclopeptide subunits with a remarkable sulfate affinity in aqueous solution.

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Prisijungti Registracija

An artificial anion receptor is presented, in which two cyclohexapeptide subunits containing l-proline and 6-aminopicolinic acid subunits in an alternating sequence are connected via an adipinic acid spacer. This compound was devised to stabilize the 2:1 sandwich-type anion complexes that are

Palladium(II)-Mediated Assembly of a M2L2 Macrocycle and M3L6 Cage from a Cyclopeptide-Derived Ligand.

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Prisijungti Registracija

A cyclic tetrapeptide L comprising two l-proline and two 3-amino-5-(pyridin-4-yl)benzoic acid subunits assembles into a dimetallic metallamacrocycle Pd₂L₂ and a trimetallic coordination cage Pd₃L₆ in the presence of

Effects of Solvent Properties on the Anion Binding of Neutral Water-Soluble Bis(cyclopeptides) in Water and Aqueous Solvent Mixtures.

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Prisijungti Registracija

In this study, the anion-binding bis(cyclopeptide) 2 is introduced, which dissolves freely in water, affording up to 10 mM concentrations, thanks to triethylene glycol-derived substituents in the cyclopeptide subunits and the linker connecting them. Binding studies provided evidence that the

Anion Binding of a Cyclopeptide-Derived Molecular Cage in Aqueous Solvent Mixtures.

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Prisijungti Registracija

A molecular cage consisting of two cyclic hexapeptides with an alternating sequence of (2S,4S)-4-aminoproline and 6-aminopicolinic acid subunits, covalently linked via three diglycolic acid subunits, interacts with a variety of inorganic anions in acetonitrile/water. In the respective complexes, the

Anion Recognition in Aqueous Media by Cyclopeptides and Other Synthetic Receptors.

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Prisijungti Registracija

Anion receptors often rely on coordinative or multiple ionic interactions to be active in water. In the absence of such strong interactions, anion binding in water can also be efficient, however, as demonstrated by a number of anion receptors developed in recent years. The cyclopeptide-derived

Calculating three-dimensional molecular structure of paliurine B from atom-atom distance and restrained energy minimization.

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Prisijungti Registracija

The conformation of paliurine B, a 13-membered cyclopeptide alkaloid isolated from Paliurus ramosissimus, has been determined from 2D NMR and distance geometry, followed by the restrained energy minimization calculation. The conformation of the 13-membered ring is well-defined but that of the

Anion-binding properties of a cyclic pseudohexapeptide containing 1,5-disubstituted 1,2,3-triazole subunits.

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Prisijungti Registracija

A C(3) symmetric cyclic pseudohexapeptide containing 2-aminopicoline-derived subunits and 1,5-disubstituted 1,2,3-triazole rings is introduced as a potent anion receptor. This macrocycle was designed to mimic both the conformation and the receptor properties of a previously described cyclic

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