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  An efficient synthesis of liquid crystalline gigantocycles combining banana-shaped and rod-like mesogenic units

Godt, A., Duda, S., Ünsal, Ö., Thiel, J., Härter, A., Roos, M., et al. (2002). An efficient synthesis of liquid crystalline gigantocycles combining banana-shaped and rod-like mesogenic units. Chemistry – A European Journal, 8(22), 5094-5106. doi:10.1002/1521-3765(20021115)8:22<5094:AID-CHEM5094>3.0.CO;2-6.

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 Creators:
Godt, Adelheid1, Author           
Duda, S.1, Author           
Ünsal, Ö.1, Author           
Thiel, J.1, Author           
Härter, A.1, Author           
Roos, M.1, Author           
Tschierske, C., Author
Diele, S., Author
Affiliations:
1MPI for Polymer Research, Max Planck Society, ou_1309545              

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Free keywords: glaser coupling; liquid crystals; macrocycles
 Abstract: The synthesis of monodisperse gigantocycles with 63, 87, and 147 ring atoms on the gram scale is described. These molecules were assembled from terphenylene derivatives and long, flexible chains which were mainly aliphatic, with I terminal alkyne groups. The latter allowed for ring formation through oxidative alkyne dimerization in high yield (80-87%). The combination of a rod-like and a banana-shaped mesogen connected by flexible chains within the backbone of a ring gives rise to nematic and smectic mesophases.

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Language(s): eng - English
 Dates: 2002-11-15
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Type: No review
 Degree: -

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Title: Chemistry – A European Journal
  Other : Chem. – Eur. J.
  Other : Chem. Eur. J.
Source Genre: Journal
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Affiliations:
Publ. Info: Weinheim : Wiley-VCH
Pages: - Volume / Issue: 8 (22) Sequence Number: - Start / End Page: 5094 - 5106 Identifier: ISSN: 0947-6539
CoNE: https://pure.mpg.de/cone/journals/resource/954926979058