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Liquid Crystals Volume 45, 2018 - Issue 11
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Articles

Effect of including extra phenylazo moiety on the mesophase behaviour of three-ring azo/ester molecules

Nesma E. MahmoudChemistry Department, Faculty of Science, Cairo University, Giza, Egypt
,
Gamal R. SaadChemistry Department, Faculty of Science, Cairo University, Giza, Egypt
,
Abdelgawad A. FahmiChemistry Department, Faculty of Science, Cairo University, Giza, Egypt
&
Magdi M. NaoumChemistry Department, Faculty of Science, Cairo University, Giza, EgyptCorrespondence[email protected]
Pages 1711-1722 | Received 02 Apr 2018, Accepted 13 May 2018, Published online: 31 May 2018

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Devendra K. Shukla, Vinay S. Sharma, Anuj S. Sharma, Mali Hitendra & R.R. Shah. (2023) Bis cinnamate substituted λ-shaped azo liquid crystal: effect of molecular structure on mesomorphic properties. Molecular Crystals and Liquid Crystals 765:1, pages 10-25.
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Abdelgawad A. Fahmi, Gamal R. Saad, Mohamed H. Ali & Nagwa H.S. Ahmed. (2022) Steric effect of di-lateral methyl substituent on the mesophase behavior of four-ring azo/ester/azo homologues. Liquid Crystals 49:11, pages 1511-1523.
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Nagwa H.S. Ahmed, Gamal R. Saad, Abdelgawad A. Fahmi & Ahmed M. Abdelfattah. (2022) Synthesis and mesomorphic properties of laterally fluoro azo/ ester based on four ring compounds with a wide range mesophase thermal stability. Liquid Crystals 49:5, pages 666-678.
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Nagwa H.S. Ahmed & Gamal R. Saad. (2021) Effect of replacing the terminal phenyl ring with 3-pyridyl and inversion of imine linkage on the mesophase behaviour of four-ring azo/ester/Schiff base compounds. Liquid Crystals 48:9, pages 1217-1230.
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Haozhou Huang, Yuehua Cong, Bing Hu & Baoyan Zhang. (2021) Liquid-crystalline dimers containing cholesteryl groups and azobenzene moieties with branched allyl chain: synthesis and properties. Liquid Crystals 48:4, pages 564-578.
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Uhood J. Al-Hamdani, Hanna S. Abbo, Afrah A. Al-Jaber & Salam J. J. Titinchi. (2020) New azo-benzothiazole based liquid crystals: synthesis and study of the effect of lateral ‎substituents on their liquid crystalline behaviour. Liquid Crystals 47:14-15, pages 2257-2267.
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Aya M. Abdelrahman, Nagwa H. S. Ahmed, Abdelgwad A. Fahmi, Gamal R. Saad & Magdi M. Naoum. (2020) Synthesis and mesophase behaviour of four-ring azo-ester-azo compounds bearing two-terminal alkoxy groups in different lengths and proportions. Liquid Crystals 47:12, pages 1772-1783.
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Nagwa H. S. Ahmed, Aya M. Abdelrahman, Abdelgwad A. Fahmi, Gamal R. Saad & Magdi M. Naoum. (2020) Effect of replacing an azo group with an azomethine one on the mesophase behaviour of four-ring azo/ester/azomethine compounds bearing two terminal alkoxy groups. Liquid Crystals 47:10, pages 1409-1420.
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Ahmed A. Sultan, Abdelgawad A. Fahmi, Gamal R. Saad & Magdi M. Naoum. (2019) Effect of orientation of lateral fluorine atom on the mesophase behaviour of azo/ester molecules with terminal naphthyl group. Liquid Crystals 46:15, pages 2322-2333.
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Ahmed M. Sultan, Abdelgawad A. Fahmi, Gamal R. Saad & Magdi M. Naoum. (2019) Effect of orientation of extra fused benzene ring and lateral methyl substituent on the mesophase behaviour of three-ring azo/ester molecules. Liquid Crystals 46:15, pages 2269-2280.
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M. Hagar, H. A. Ahmed & O. A. Alhaddad. (2019) New azobenzene-based natural fatty acid liquid crystals with low melting point: synthesis, DFT calculations and binary mixtures. Liquid Crystals 46:15, pages 2223-2234.
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Nagwa H.S. Ahmed, Gamal R. Saad & Magdi M. Naoum. (2019) Effect of lateral bromo substituent on the phase behavior of four-ring azo/ester/azo liquid crystalline materials. Liquid Crystals 46:11, pages 1631-1642.
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H. A. Ahmed, M. Hagar, T. H. El-Sayed & R. B. Alnoman. (2019) Schiff base/ester liquid crystals with different lateral substituents: mesophase behaviour and DFT calculations. Liquid Crystals 46:7, pages 1-11.
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Articles from other publishers (2)

Shavi Thakur, H.N. Patel, Sumit Mittal & Khushbu Agrawal. (2023) Spectroscopic and DFT investigations: Mesogenic alpha-Naphthyl derivatives with central cinnamate and ester linkages. Journal of Molecular Structure 1275, pages 134629.
Crossref
Nagwa H. S. Ahmed, Gamal R. Saad, Hoda. A. Ahmed & Mohamed Hagar. (2020) New wide-stability four-ring azo/ester/Schiff base liquid crystals: synthesis, mesomorphic, photophysical, and DFT approaches. RSC Advances 10:16, pages 9643-9656.
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