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The use of the triptycene framework for observing O⋯C=O molecular interactions

  • Lari, Alberth School of Science and Technology, Nottingham Trent University, Nottingham, UK
  • Pitak, Mateusz B. National Crystallography Service, School of Chemistry, University of Southampton, UK
  • Coles, Simon J. National Crystallography Service, School of Chemistry, University of Southampton, UK
  • Bresco, Emma School of Science and Technology, Nottingham Trent University, Nottingham, UK
  • Belser, Peter Department of Chemistry, University of Fribourg, Switzerland
  • Beyeler, Andreas Department of Chemistry, University of Fribourg, Switzerland
  • Pilkington, Melanie Department of Chemistry, Brock University, Ontario, Canada
  • Wallis, John D. School of Science and Technology, Nottingham Trent University, Nottingham, UK
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    13.09.2011
Published in:
  • CrystEngComm. - 2011, vol. 13, p. 6978-6984
English The triptycene skeleton has been used to measure (1,5) interactions between aldehyde groups, placed at both sp³ centres, and hydroxy or methoxy groups, placed at the respective ortho position on a benzene ring; HO⋯CHO interactions of 2.621–2.624 Å and MeO⋯CHO interactions of 2.528–2.584 Å were observed with the O⋯C vector making angles of 105.3–133.7° with the carbonyl bond. The lack of a competing conjugation with the framework for the electrophilic group is a favourable factor compared to the use of peri-naphthalene systems.
Faculty
Faculté des sciences et de médecine
Department
Département de Chimie
Language
  • English
Classification
Chemistry
License
License undefined
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Persistent URL
https://folia.unifr.ch/unifr/documents/302012
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