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Fine-tuning of packing architecture: symmetrically bridge-disubstituted tetramethoxycalix[4]arenes

Authors
  • Fischer, Conrad1
  • Bombicz, Petra2
  • Seichter, Wilhelm1
  • Weber, Edwin1
  • 1 TU Bergakademie Freiberg, Institut für Organische Chemie, Leipziger Str. 29, Freiberg, Saxony, 09596, Germany , Freiberg (Germany)
  • 2 Hungarian Academy of Sciences, Institute of Organic Chemistry, Research Centre for Natural Sciences, Budapest, 1525, Hungary , Budapest (Hungary)
Type
Published Article
Journal
Structural Chemistry
Publisher
Springer US
Publication Date
Aug 04, 2012
Volume
24
Issue
2
Pages
535–541
Identifiers
DOI: 10.1007/s11224-012-0104-1
Source
Springer Nature
Keywords
License
Yellow

Abstract

Three acetonitrile solvates of tetramethoxycalix[4]arenes equally substituted on opposite methylene bridges are described with respect to their conformation and packing behaviour. All of the host molecules adopt a 1,2-alternate conformation, their packing architecture seems to be affected by the spatial demand of the bridge substituents only. This results in the synthetically implemented fine-tuning of the molecular arrangement. The engineering of the relevant packing motif, the “synthon” may be discussed most appropriate by the term “synthon engineering” following the expression of crystal engineering.

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