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Shiota N.,Kinki University | Kinuta T.,Kinki University | Sato T.,JST ERATO SORST Kuroda Chiromorphology Team | Kuroda R.,JST ERATO SORST Kuroda Chiromorphology Team | And 3 more authors.
Tetrahedron | Year: 2010

A tunable supramolecular thiophene host system with a chiral channel-like cavity is developed using (1R, 2S)-2-amino-1, 2-diphenylethanol. This thiophene host system possesses a chiral helical columnar structure. The chiral cavities are formed by the self-assembly of the helical column, and guest molecules are included by varying the helical structure and packing arrangement of this column. © 2010 Elsevier Ltd. All rights reserved. Source


Kinuta T.,Kinki University | Sato T.,JST ERATO SORST Kuroda Chiromorphology Team | Tajima N.,University of Tsukuba | Kuroda R.,JST ERATO SORST Kuroda Chiromorphology Team | And 3 more authors.
CrystEngComm | Year: 2010

Although both enantiomers of two-substituted ether- and imide-bridged biphenyl compounds 1-3 are present in equal amounts at equilibrium in a solution, chiral crystals composed of one of the axially chiral enantiomers could be isolated by crystallization from the solution without any outside chiral source. © 2010 The Royal Society of Chemistry. Source


Kinuta T.,Kinki University | Yokoyama E.,Kinki University | Sato T.,JST ERATO SORST Kuroda Chiromorphology Team | Tajima N.,University of Tsukuba | And 4 more authors.
CrystEngComm | Year: 2010

The achiral compound 2-(2-naphthylthio or 2-quinolinethio)-3- methylcyclohexen-1-one was found to crystallize in the chiral space group P212121. In one crystal, only one-handedness was found. In particular, although 2-(2-naphthylthio)-3-methylcyclohexen-1-one showed conformational polymorphism, both polymorphs were chiral crystals. © 2010 The Royal Society of Chemistry. Source


Imai Y.,Kinki University | Kamon K.,Kinki University | Tajima N.,Japan National Institute of Materials Science | Kinuta T.,Kinki University | And 4 more authors.
Journal of Luminescence | Year: 2010

By introducing carboxyl and n-alkyl groups into a biphenyl molecule, we can increase the photoluminescence quantum yields of biphenyl derivatives in the solid state. The solid-state fluorescence maxima (λem) of 4-biphenylcarboxylic acid derivatives change according to the n-alkyl group introduced. © 2010 Elsevier B.V. All rights reserved. Source


Kinuta T.,Kinki University | Sato T.,Kinki University | Harada T.,JST ERATO SORST Kuroda Chiromorphology Team | Tajima N.,University of Tsukuba | And 4 more authors.
Journal of Molecular Structure | Year: 2010

The achiral compound 2-methyl-3-(4-bromophenylthio)-1,4-naphthalenedione shows conformational and color polymorphism. The relationship between the conformational and color polymorphs (chirality and color) of 2-methyl-3-arylthio-1,4-naphthalenediones can change according to the type of arylthio group. © 2010 Elsevier B.V. All rights reserved. Source

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