Reactions of alkoxyl derivatives of a layered perovskite with alcohols

Substitution reactions on the interlayer surface of a layered perovskite

Hiromi Suzuki, Kazuya Notsu, Yosuke Takeda, Wataru Sugimoto, Yoshiyuki Sugahara

    Research output: Contribution to journalArticle

    52 Citations (Scopus)

    Abstract

    Organic derivatives of a layered perovskite compound, HLaNb2O7·xH2O (HLN), with interlayer surfaces possessing n-alkoxyl groups (n-decoxyl and n-propoxyl) have been allowed to react with various alcohols and a diol (ethylene glycol) to form new organic derivatives via substitution reactions. The reaction of an n-propoxyl derivative of HLN with n-decanol leads to the formation of n-decoxyl groups bound to the interlayer surface of the perovskitelike [LaNb2O7] slab. In a similar fashion, the reaction of an n-decoxyl derivative of HLN with 2-propanol results in the formation of an isopropoxyl derivative. The reaction of the n-decoxyl derivative of HLN with tert-butyl alcohol also proceeds, though the reaction is not completed even after 14 days. After the reaction of the n-decoxyl derivative of HLN with ethylene glycol, only one of the two hydroxyl groups in ethylene glycol is reacted, and -OCH2CH2OH groups are present on the interlayer surface. Water is required for proceeding the substitution reaction between the n-propoxyl derivative of HLN and n-decanol, and the reaction mechanism involving hydrolysis of the alkoxyl groups on the interlayer surface and subsequent esterification is proposed.

    Original languageEnglish
    Pages (from-to)636-641
    Number of pages6
    JournalChemistry of Materials
    Volume15
    Issue number3
    DOIs
    Publication statusPublished - 2003 Feb 11

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    Perovskite
    Alcohols
    Substitution reactions
    Derivatives
    Ethylene Glycol
    Ethylene glycol
    tert-Butyl Alcohol
    2-Propanol
    perovskite
    Esterification
    Propanol
    Hydroxyl Radical
    Hydrolysis
    Water

    ASJC Scopus subject areas

    • Materials Science(all)
    • Materials Chemistry

    Cite this

    Reactions of alkoxyl derivatives of a layered perovskite with alcohols : Substitution reactions on the interlayer surface of a layered perovskite. / Suzuki, Hiromi; Notsu, Kazuya; Takeda, Yosuke; Sugimoto, Wataru; Sugahara, Yoshiyuki.

    In: Chemistry of Materials, Vol. 15, No. 3, 11.02.2003, p. 636-641.

    Research output: Contribution to journalArticle

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    AU - Sugahara, Yoshiyuki

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