Cyclic tetramer of a metalloporphyrin based on a quadruple hydrogen bond

Haruki Ohkawa; Akihiro Takayama; Satoshi Nakajima; Hiroyuki Nishide

doi:10.1021/ol060488u

Cyclic tetramer of a metalloporphyrin based on a quadruple hydrogen bond

Haruki Ohkawa, Akihiro Takayama, Satoshi Nakajima, Hiroyuki Nishide^*

^*Corresponding author for this work

Waseda Research Institute for Science and Engineering

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

50 Citations (Scopus)

Abstract

This paper describes the selective formation of a cyclic tetramer from a readily synthesized metalloporphyrin with two self-complementary quadruple hydrogen-bonding units. The extremely strong quadruple hydrogen-bonding unit, 2-ureido-4[1H]-pyrimidinone, enabled the formation of a stable cyclic tetramer based on a tetraphenylporphyrin derivative over a wide concentration range. This hydrogen-bonded tetramer is a new functional unit for use in a higher-ordered architecture of a supramolecular porphyrin assembly.

Original language	English
Pages (from-to)	2225-2228
Number of pages	4
Journal	Organic Letters
Volume	8
Issue number	11
DOIs	https://doi.org/10.1021/ol060488u
Publication status	Published - 2006 May 25

ASJC Scopus subject areas

Molecular Medicine

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abstract = "This paper describes the selective formation of a cyclic tetramer from a readily synthesized metalloporphyrin with two self-complementary quadruple hydrogen-bonding units. The extremely strong quadruple hydrogen-bonding unit, 2-ureido-4[1H]-pyrimidinone, enabled the formation of a stable cyclic tetramer based on a tetraphenylporphyrin derivative over a wide concentration range. This hydrogen-bonded tetramer is a new functional unit for use in a higher-ordered architecture of a supramolecular porphyrin assembly.",

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AU - Takayama, Akihiro

AU - Nakajima, Satoshi

AU - Nishide, Hiroyuki

PY - 2006/5/25

Y1 - 2006/5/25

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AB - This paper describes the selective formation of a cyclic tetramer from a readily synthesized metalloporphyrin with two self-complementary quadruple hydrogen-bonding units. The extremely strong quadruple hydrogen-bonding unit, 2-ureido-4[1H]-pyrimidinone, enabled the formation of a stable cyclic tetramer based on a tetraphenylporphyrin derivative over a wide concentration range. This hydrogen-bonded tetramer is a new functional unit for use in a higher-ordered architecture of a supramolecular porphyrin assembly.

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Cyclic tetramer of a metalloporphyrin based on a quadruple hydrogen bond

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