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On-Surface Synthesis of Helicene Oligomers.
Pinar Solé, Andrés; Klívar, Jirí; Sámal, Michal; Stará, Irena G; Starý, Ivo; Mendieta-Moreno, Jesús I; Ernst, Karl-Heinz; Jelínek, Pavel; Stetsovych, Oleksandr.
  • Pinar Solé A; Institute of Physics, Czech Academy of Sciences, Cukrovarnická 10, 162 00, Prague, Czech Republic.
  • Klívar J; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic.
  • Sámal M; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic.
  • Stará IG; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic.
  • Starý I; Institute of Organic Chemistry and Biochemistry, Czech Academy of Sciences, Flemingovo nám. 2, 166 10, Prague 6, Czech Republic.
  • Mendieta-Moreno JI; Institute of Physics, Czech Academy of Sciences, Cukrovarnická 10, 162 00, Prague, Czech Republic.
  • Ernst KH; Universidad Autónoma de Madrid, Theoretical Condensed Matter Physics Department, C/ Francisco Tomás y, Valiente 7, Module 05, Facultad de Ciencias, E-28049, Madrid, Spain.
  • Jelínek P; Institute of Physics, Czech Academy of Sciences, Cukrovarnická 10, 162 00, Prague, Czech Republic.
  • Stetsovych O; Empa - Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, CH-8600, Dübendorf, Switzerland.
Chemistry ; 30(32): e202304127, 2024 Jun 06.
Article en En | MEDLINE | ID: mdl-38587984
ABSTRACT
We report on-surface synthesis of heterochiral 1D heptahelicene oligomers after deposition of a racemic heptahelicene monomer on an Au(111) surface followed by Ullmann coupling under ultrahigh vacuum conditions. Structure, chirality and mode of adsorption of the resulting dimers to octamers are inferred from the scanning probe microscopy and theoretical calculations.
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2024 Tipo del documento: Article
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Texto completo: 1 Banco de datos: MEDLINE Idioma: En Año: 2024 Tipo del documento: Article