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A Modular Strategy to Artificial Double Helices

Authors

  • Yoshie Tanaka Dr.,

    1. Yashima Super-structured Helix Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Creation Core Nagoya 101, 2266-22 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-0003, Japan, Fax: (+81) 52-739-2081
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  • Hiroshi Katagiri Dr.,

    1. Yashima Super-structured Helix Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Creation Core Nagoya 101, 2266-22 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-0003, Japan, Fax: (+81) 52-739-2081
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  • Yoshio Furusho Dr.,

    1. Yashima Super-structured Helix Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Creation Core Nagoya 101, 2266-22 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-0003, Japan, Fax: (+81) 52-739-2081
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  • Eiji Yashima Prof.

    1. Yashima Super-structured Helix Project, Exploratory Research for Advanced Technology (ERATO), Japan Science and Technology Agency (JST), Creation Core Nagoya 101, 2266-22 Anagahora, Shimoshidami, Moriyama-ku, Nagoya 463-0003, Japan, Fax: (+81) 52-739-2081
    2. Institute for Advanced Research, Nagoya University, Chikusa-ku, Nagoya 464-8601, Japan, Fax: (+81) 52-789-3185
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  • We thank Dr. Mikio Yamasaki of Rigaku Cooperation for the X-ray crystal-structure analysis.

Abstract

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No metal required: Double-helical assemblies can be constructed through hydrogen bonds upon formation of amidinium–carboxylate salt bridges (see schematic representation). The double-helical structures formed including the helix sense are predictable by this approach.

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