Über die Polymorphie der krystallinen Flüssigkeiten

Vorländer, D.

doi:10.1002/cber.19370700607

Cited by 36 publications

(9 citation statements)

References 42 publications

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“…Since the studied derivatives contain one relatively short alkyl chain, only the nematic phase was detected. The above-mentioned studies also discuss the interesting problem of liquid crystalline polymorphism and the different kinds of mesophases named by Vorlaender as Pl-, Bz-and Rs-Formen [5].…”

Section: Introductionmentioning

confidence: 98%

Liquid crystalline properties of 4‐hexyloxybenzylidene‐4′‐alkyloxyanilines

2007

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The liquid-crystalline polymorphism of the homologous series of 4-hexyloxybenzylidene-49-alkyloxyanilines is investigated. Basing on the polarization microscopy (POM, TOA), the DSC calorimetry and miscibility studies the following mesophases were detected: nematic, smectic A, smectic C and smectic I. The phase diagrams of the compounds of these series with 4-hexyloxybenylidene-49-pentylaniline (as the standard of mesophases) show induction of the smectic F mesophases. Their dependence on the alkyl chain length and mole fraction is shown.

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Section: Introductionmentioning

confidence: 98%

Liquid crystalline properties of 4‐hexyloxybenzylidene‐4′‐alkyloxyanilines

2007

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“…Compound (I) was prepared by condensation of equimolar quantities of chlorotriphenylmethane with triphenylmethanethiol in sodium ethoxide, as described in the original preparation (Vorlander & Mittag, 1919). After repeated decolorizing with charcoal and recrystallization in a 9"1 chloroform-ethanol mixture, slow evaporation at room temperature gave colorless crystals.…”

Section: Methodsmentioning

confidence: 99%

The structures of bis(triphenylmethyl) sulfide and bis(triphenylmethyl) ether

Robbins¹

1980

Acta Crystallogr Sect B

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“…oder von dem Nickelsalz des Pentan-2,4-dions [(;I. Andere Derivate 2 wurden mit Hilfe der Lehnzrt-Methode in Ausbeuten van etwa 50% dargestellt [7]. Auch die Synthese von 3-Arylmethylen-pentan-2,4dionen ist beschrieben [S], bei welcher wasserfreies Kupfer(I1)chlorid als wirksamer Katalysator der Kondensation aromatischer Aldehyde mit Pentan-2,4-diOn verwendet wurde.…”

Section: Titanium(1v)-chlorid/pyridinunclassified