Covalent fixation of the cyclic tetramer of a metallo-porphyrin based on self-complementary quadruple hydrogen bonding

Haruki Ohkawa; Akihiro Takayama; Satoshi Nakajima; Hiroyuki Nishide

doi:10.1246/cl.2006.1076

Covalent fixation of the cyclic tetramer of a metallo-porphyrin based on self-complementary quadruple hydrogen bonding

Haruki Ohkawa, Akihiro Takayama, Satoshi Nakajima, Hiroyuki Nishide

Waseda Research Institute for Science and Engineering

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

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Abstract

The stability of quadruple hydrogen bonding in the cyclic tetramer of a metallo-porphyrin before and after a covalent fixation was investigated. According to competition and energy-transfer experiments, the exchange reaction between the cyclic tetramers of the metallo-porphyrin was fully suppressed by the covalent fixation. This spontaneous cyclization-covalent fixation strategy based on olefin metathesis can open the way to the use of cyclic assemblies in a solid phase.

Original language	English
Pages (from-to)	1076-1077
Number of pages	2
Journal	Chemistry Letters
Volume	35
Issue number	9
DOIs	https://doi.org/10.1246/cl.2006.1076
Publication status	Published - 2006 Sep 5

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author = "Haruki Ohkawa and Akihiro Takayama and Satoshi Nakajima and Hiroyuki Nishide",

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AU - Takayama, Akihiro

AU - Nakajima, Satoshi

AU - Nishide, Hiroyuki

PY - 2006/9/5

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AB - The stability of quadruple hydrogen bonding in the cyclic tetramer of a metallo-porphyrin before and after a covalent fixation was investigated. According to competition and energy-transfer experiments, the exchange reaction between the cyclic tetramers of the metallo-porphyrin was fully suppressed by the covalent fixation. This spontaneous cyclization-covalent fixation strategy based on olefin metathesis can open the way to the use of cyclic assemblies in a solid phase.

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Covalent fixation of the cyclic tetramer of a metallo-porphyrin based on self-complementary quadruple hydrogen bonding

Abstract

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