Sodium Ion Complexation Enforced Columnar Mesophase of Dibenzo[<i>a</i>,<i>c</i>]phenazine Bearing Lateral Crown Ether

Ong, Chi Wi; Yan, Chih Qiang; Yeh, Ming-Che; Tzeng, Mei-Chun

doi:10.1080/15421406.2015.1026755

Cited by 8 publications

(1 citation statement)

References 18 publications

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“…The convergent functionalisation of preformed crowns was also amenable for unsymmetrical [15]crown-5 derivatives 18 published by Ong [21]. According to Scheme 5, diamino-crown 16 was condensed with phenanthrene-9,10-dione 17 to phenothiazine derivative 18.…”

Section: Recent Literature Results On Discotic Crown Ethersmentioning

confidence: 99%

Playing with nanosegregation in discotic crown ethers: from molecular design to OFETs, nanofibers and luminescent materials

Baro

Wöhrle

Kirres

2016

Liquid Crystals Today

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Discotic liquid crystals are promising materials for electronic device applications. Combining extended π-systems with crown ethers may further open access to functional supramolecular hybrid materials. In the present publication, we briefly summarise recent literature developments and focus in a second part on our work in the field of discotic crown ethers. The crown ether derivatives are conveniently accessible by convergent syntheses which allow a high degree of variation with respect to side chains, mesogenic unit, size and symmetry of the crown core, metal complexation and counterion. This set of compounds provides a basis for systematic structureproperty relationship investigations. Numerous experimental studies identified factors being crucial for mesophase stabilisation and geometry and furthermore led to novel room-temperature crown ether mesogens. The latter were obtained by congestion of the mesogenic units and even introduction of peripheral δ-methyl branched side chains. The formation of molybdenum clustomesogens and their application as luminescent hybrid materials is also described.

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Section: Recent Literature Results On Discotic Crown Ethersmentioning

confidence: 99%

Playing with nanosegregation in discotic crown ethers: from molecular design to OFETs, nanofibers and luminescent materials

Baro

Wöhrle

Kirres

2016

Liquid Crystals Today

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Synthesis, thermal and photophysical studies of π–extended dibenzophenazine based discotic liquid crystals

Jacob

Gowda

Kumar

et al. 2020

Journal of Molecular Liquids

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Side-chain shuffling: regioselective synthesis of mixed tail discotic mesogens

Voisin

Williams

2016

RSC Adv.

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A procedure for the regioselective synthesis of discotic mesogens bearing multiple side chains of different lengths is reported. A series of isomeric dibenzoquinoxaline mesogens obtained by this route showed phase behaviour that was highly sensitive to chain location. 778 782 3765; Tel: +1 778 782 8059 † Electronic supplementary information (ESI) available: Full synthetic and characterization details. See

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Sodium Ion Complexation Enforced Columnar Mesophase of Dibenzo[a,c]phenazine Bearing Lateral Crown Ether

Cited by 8 publications

References 18 publications

Playing with nanosegregation in discotic crown ethers: from molecular design to OFETs, nanofibers and luminescent materials

Playing with nanosegregation in discotic crown ethers: from molecular design to OFETs, nanofibers and luminescent materials

Synthesis, thermal and photophysical studies of π–extended dibenzophenazine based discotic liquid crystals

Side-chain shuffling: regioselective synthesis of mixed tail discotic mesogens

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