Formation of metal-assisted stable double helices in dimers of cyclic bis-tetrapyrroles that exhibit spring-like motion

Takashi Hashimoto; Takuma Nishimura; Jong Min Lim; Dongho Kim; Hiromitsu Maeda

doi:10.1002/chem.201001605

Formation of metal-assisted stable double helices in dimers of cyclic bis-tetrapyrroles that exhibit spring-like motion

Takashi Hashimoto, Takuma Nishimura, Jong Min Lim, Dongho Kim, Hiromitsu Maeda

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

52 Scopus citations

Abstract

Bidipyrrin-bridged macrocycles, prepared from Ni^II-bridged dipyrrinbased nanorings by intramolecular oxidative biaryl coupling reactions, yielded [2+4]-type Zn^II-assisted stable twisted-ring dimers comprising two double helices. These [2+4]-type metal complexes can be optically resolved by chiral HPLC and exhibit tunable electronic and optical properties as a result of spring-like motions. The double helices behave as glue to connect two macrocycles and as the screws of hinges to form thermally responsive synchronized spring systems.

Original language	English
Pages (from-to)	11653-11661
Number of pages	9
Journal	Chemistry - A European Journal
Volume	16
Issue number	38
DOIs	https://doi.org/10.1002/chem.201001605
State	Published - 11 Oct 2010

Keywords

Chirality
Coordination compounds
Heterocycles macrocycles
Self-assembly

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10.1002/chem.201001605

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title = "Formation of metal-assisted stable double helices in dimers of cyclic bis-tetrapyrroles that exhibit spring-like motion",

abstract = "Bidipyrrin-bridged macrocycles, prepared from NiII-bridged dipyrrinbased nanorings by intramolecular oxidative biaryl coupling reactions, yielded [2+4]-type ZnII-assisted stable twisted-ring dimers comprising two double helices. These [2+4]-type metal complexes can be optically resolved by chiral HPLC and exhibit tunable electronic and optical properties as a result of spring-like motions. The double helices behave as glue to connect two macrocycles and as the screws of hinges to form thermally responsive synchronized spring systems.",

keywords = "Chirality, Coordination compounds, Heterocycles macrocycles, Self-assembly",

author = "Takashi Hashimoto and Takuma Nishimura and Lim, {Jong Min} and Dongho Kim and Hiromitsu Maeda",

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T1 - Formation of metal-assisted stable double helices in dimers of cyclic bis-tetrapyrroles that exhibit spring-like motion

AU - Hashimoto, Takashi

AU - Nishimura, Takuma

AU - Lim, Jong Min

AU - Kim, Dongho

AU - Maeda, Hiromitsu

PY - 2010/10/11

Y1 - 2010/10/11

N2 - Bidipyrrin-bridged macrocycles, prepared from NiII-bridged dipyrrinbased nanorings by intramolecular oxidative biaryl coupling reactions, yielded [2+4]-type ZnII-assisted stable twisted-ring dimers comprising two double helices. These [2+4]-type metal complexes can be optically resolved by chiral HPLC and exhibit tunable electronic and optical properties as a result of spring-like motions. The double helices behave as glue to connect two macrocycles and as the screws of hinges to form thermally responsive synchronized spring systems.

AB - Bidipyrrin-bridged macrocycles, prepared from NiII-bridged dipyrrinbased nanorings by intramolecular oxidative biaryl coupling reactions, yielded [2+4]-type ZnII-assisted stable twisted-ring dimers comprising two double helices. These [2+4]-type metal complexes can be optically resolved by chiral HPLC and exhibit tunable electronic and optical properties as a result of spring-like motions. The double helices behave as glue to connect two macrocycles and as the screws of hinges to form thermally responsive synchronized spring systems.

KW - Chirality

KW - Coordination compounds

KW - Heterocycles macrocycles

KW - Self-assembly

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SN - 0947-6539

VL - 16

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JO - Chemistry - A European Journal

JF - Chemistry - A European Journal

IS - 38

ER -

Formation of metal-assisted stable double helices in dimers of cyclic bis-tetrapyrroles that exhibit spring-like motion

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Keywords

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