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Synthesis of Cross-Chain Bridging Cryptands and Induction of Molecular Chirality.
Fujihara, Hiroki; Naito, Masaya; Yashima, Takafumi; Okada, Yusuke; Kobayashi, Nagao; Miyagawa, Shinobu; Takaya, Hikaru; Tokunaga, Yuji.
Afiliação
  • Fujihara H; Department of Materials Science and Engineering, Faculty of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan.
  • Naito M; Department of Materials Science and Engineering, Faculty of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan.
  • Yashima T; Department of Materials Science and Engineering, Faculty of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan.
  • Okada Y; Faculty of Textile Science and Technology, Shinshu University, Tokida, Ueda, Nagano 386-8567, Japan.
  • Kobayashi N; Faculty of Textile Science and Technology, Shinshu University, Tokida, Ueda, Nagano 386-8567, Japan.
  • Miyagawa S; Department of Materials Science and Engineering, Faculty of Engineering, University of Fukui, Bunkyo, Fukui 910-8507, Japan.
  • Takaya H; Department of Life Science, Faculty of Life & Environmental Sciences, Teikyo University of Science, Main Buld #15-05, 2-2-1 Senjyusakuragi, Adachi-ku, Tokyo 120-0045, Japan.
  • Tokunaga Y; Division of Photo-Molecular Science, Institute for Molecular Science, Myodaiji, Okazaki, Aichi 444-8585, Japan.
Org Lett ; 25(50): 8959-8964, 2023 Dec 22.
Article em En | MEDLINE | ID: mdl-37871274
ABSTRACT
In this study, we synthesized two cryptands featuring entangled tri- and tetra(ethylene glycol) linkers. The cryptand bearing short linkers was chiral without any asymmetric carbon atoms. After chiral high-performance liquid chromatography was used to separate the enantiomers, the absolute configuration of each cryptand was determined through single-crystal X-ray and circular dichroism analyses. The racemization of the cryptand possessing long linkers proceeded at room temperature.
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article
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Texto completo: 1 Coleções: 01-internacional Base de dados: MEDLINE Idioma: En Ano de publicação: 2023 Tipo de documento: Article