Self-assembly of molecular capsules in polar solvents

Reza Zadmard; Thomas Schrader; Thomas Grawe; Arno Kraft

doi:10.1021/ol0257631

Self-assembly of molecular capsules in polar solvents

Reza Zadmard, Thomas Schrader, Thomas Grawe, Arno Kraft

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

62 Citations (Scopus)

Abstract

We present a novel type of molecular capsule formed by self-organization of calix[4]arenes with several oppositely charged functional groups located at their upper rims. In highly polar solvents, the complementary half-spheres form stable 1:1 complexes with association constants of up to 7 × 10⁵ M^-1 in methanol. The cavity inside the capsules is large enough for the inclusion of small aliphatic or (hetero)aromatic guest molecules.

Original language	English
Pages (from-to)	1687-1690
Number of pages	4
Journal	Organic Letters
Volume	4
Issue number	10
DOIs	https://doi.org/10.1021/ol0257631
Publication status	Published - 16 May 2002

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10.1021/ol0257631

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title = "Self-assembly of molecular capsules in polar solvents",

abstract = "We present a novel type of molecular capsule formed by self-organization of calix[4]arenes with several oppositely charged functional groups located at their upper rims. In highly polar solvents, the complementary half-spheres form stable 1:1 complexes with association constants of up to 7 × 105 M-1 in methanol. The cavity inside the capsules is large enough for the inclusion of small aliphatic or (hetero)aromatic guest molecules.",

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AU - Zadmard, Reza

AU - Schrader, Thomas

AU - Grawe, Thomas

AU - Kraft, Arno

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N2 - We present a novel type of molecular capsule formed by self-organization of calix[4]arenes with several oppositely charged functional groups located at their upper rims. In highly polar solvents, the complementary half-spheres form stable 1:1 complexes with association constants of up to 7 × 105 M-1 in methanol. The cavity inside the capsules is large enough for the inclusion of small aliphatic or (hetero)aromatic guest molecules.

AB - We present a novel type of molecular capsule formed by self-organization of calix[4]arenes with several oppositely charged functional groups located at their upper rims. In highly polar solvents, the complementary half-spheres form stable 1:1 complexes with association constants of up to 7 × 105 M-1 in methanol. The cavity inside the capsules is large enough for the inclusion of small aliphatic or (hetero)aromatic guest molecules.

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JO - Organic Letters

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Self-assembly of molecular capsules in polar solvents

Abstract

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