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Non-aqueous selective synthesis of orthosilicic acid and its oligomers

Author

Listed:
  • Masayasu Igarashi

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Tomohiro Matsumoto

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Fujio Yagihashi

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Hiroshi Yamashita

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Takashi Ohhara

    (Neutron Science Section, J-PARC Center, Japan Atomic Energy Agency)

  • Takayasu Hanashima

    (Comprehensive Research Organization for Science and Society)

  • Akiko Nakao

    (Comprehensive Research Organization for Science and Society)

  • Taketo Moyoshi

    (Comprehensive Research Organization for Science and Society)

  • Kazuhiko Sato

    (National Institute of Advanced Industrial Science and Technology (AIST))

  • Shigeru Shimada

    (National Institute of Advanced Industrial Science and Technology (AIST))

Abstract

Orthosilicic acid (Si(OH)4) and its small condensation compounds are among the most important silicon compounds but have never been isolated, due to their instability. These compounds would be highly useful building blocks for advanced materials if they became available at high purity. Here we show a simple procedure to selectively synthesize orthosilicic acid and its dimer, cyclic trimer and tetramer in organic solvents. Isolation of orthosilicic acid, the dimer and the cyclic tetramer as hydrogen-bonded crystals with tetrabutylammonium halides and the cyclic trimer as solvent-containing crystals is also described. The solid-state structures of these compounds are unambiguously clarified by single crystal X-ray and neutron diffraction studies. The usefulness of orthosilicic acid and its oligomers prepared by the new procedure is demonstrated by the synthesis of functionalized oligosiloxanes.

Suggested Citation

  • Masayasu Igarashi & Tomohiro Matsumoto & Fujio Yagihashi & Hiroshi Yamashita & Takashi Ohhara & Takayasu Hanashima & Akiko Nakao & Taketo Moyoshi & Kazuhiko Sato & Shigeru Shimada, 2017. "Non-aqueous selective synthesis of orthosilicic acid and its oligomers," Nature Communications, Nature, vol. 8(1), pages 1-8, December.
    • Handle: RePEc:nat:natcom:v:8:y:2017:i:1:d:10.1038_s41467-017-00168-5
    DOI: 10.1038/s41467-017-00168-5
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    Cited by:

    1. Masayasu Igarashi & Takeshi Nozawa & Tomohiro Matsumoto & Fujio Yagihashi & Takashi Kikuchi & Kazuhiko Sato, 2021. "Parallel-stacked aromatic molecules in hydrogen-bonded inorganic frameworks," Nature Communications, Nature, vol. 12(1), pages 1-13, December.

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