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Digitale Medien

Spiro units as building blocks in thermotropic liquid crystals: Synthesis and physical properties of terminally substituted spiro[5.5]undecanes (1995)

Schmidt, Wolfgang ; Vögtle, Fritz ; Poetsch, Eike

Weinheim : Wiley-Blackwell

Liebigs Annalen 1995 (1995), S. 1319-1326

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Details

ISSN: 0947-3440

Schlagwort(e): Spiranes ; Liquid crystals ; Structure-property relations of LC substances ; TosMIC ; Chemistry ; Organic Chemistry

Quelle: Wiley InterScience Backfile Collection 1832-2000

Thema: Chemie und Pharmazie

Notizen: A number of terminally substituted spiranes were prepared from 9-pentyl-3-spiro[5.5]undecanone (7), which was obtained in a five-step synthesis starting from 4-pentylcyclohexanone (1), using an intramolecular cyclisation with 4-toluenesulfonylmethyl isocyanide (TosMIC) as a key step. By a comparison of the physical data of the new spiro[5.5]undecane derivatives I with those of several well-known, analogous substituted compounds - solely differing in their central building unit - conclusions regarding the effects of the spiro ring system on its mesogenic potential are drawn.

Zusätzliches Material: 2 Tab.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1002/jlac.1995199507175

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