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Original Articles

Liquid crystalline compounds with V-shaped molecular structures: synthesis and characterization of new azo compounds

Pages 145-150 | Received 01 Sep 2001, Published online: 06 Aug 2010

Keep up to date with the latest research on this topic with citation updates for this article.

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Vipul Desai, Vinay S. Sharma, Rutesh R. Shah, Lakshman Meena, Hitendra Mali & Roshan B. Patel. (2022) Synthesis and characterization of newly syringaldehyde based chalcone liquid crystals. Molecular Crystals and Liquid Crystals 745:1, pages 1-15.
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Salwa J. Kamal, Noordini M. Salleh, H.N.M. Ekramul Mahmud & N. Idayu Zahid. (2022) Liquid crystal and photophysical properties of laterally fluorinated azo-ester materials. Liquid Crystals 49:5, pages 633-646.
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Hoda A. Ahmed & Mohamed A. El-Atawy. (2021) Synthesis, mesomorphic and geometrical approaches of new non-symmetrical system based on central naphthalene moiety. Liquid Crystals 48:14, pages 1940-1952.
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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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Manuela-Maria Iftime, Vasile Cozan, Anton Airinei, Cristian Varganici, Gabriela Ailiesei, Daniel Timpu & Ion Sava. (2019) Asymmetric azomethine amines with azobenzene moieties – liquid crystalline and optical properties. Liquid Crystals 46:10, pages 1584-1594.
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Devendra K. Shukla, Vinay S. Sharma, Varsha Prajapat & R.B. Patel. (2019) “Synthesis, Mesomorphic and DFT Studies of Chalcone Derived Room Temperature Liquid Crystal with Presence of Lateral Nitro and N, N-Dimethyl Amino Terminal Group”. Molecular Crystals and Liquid Crystals 682:1, pages 8-26.
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Dinesh Kashyap, Sunil Patel, Varsha Prajapat, Vinay Sharma & Dilip Vasava. (2019) “Effect of the linking unit on the calamitic-shaped liquid crystal: a comparative study of two homologous series of benzoate and cinnamate linked compounds”. Molecular Crystals and Liquid Crystals 681:1, pages 58-70.
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Nesma E. Mahmoud, Gamal R. Saad, Abdelgawad A. Fahmi & Magdi M. Naoum. (2018) Effect of including extra phenylazo moiety on the mesophase behaviour of three-ring azo/ester molecules. Liquid Crystals 45:11, pages 1711-1722.
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Vipul Desai, Vinay S. Sharma & R.B. Patel. (2018) “Synthesis and study of novel biological active chalconyl-ester based bent-core LCs: Effect of tail/lateral group”. Molecular Crystals and Liquid Crystals 668:1, pages 29-47.
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Vinay S. Sharma, Deepak Suthar & Anuj S. Sharma. (2018) λ-Shaped mesogens based on chalconyl ester core having variable side chain: Synthesis and characterisation. Molecular Crystals and Liquid Crystals 665:1, pages 100-118.
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Vinay S. Sharma, Anuj S. Sharma, Upendra H. Jadeja & Deepak Suthar. (2018) New chalcone based liquid crystals with allylidene amino linking unit: Synthesis and characterization. Molecular Crystals and Liquid Crystals 665:1, pages 64-81.
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Václav Kozmík, Eva Rodinová, Tereza Prausová, Jiří Svoboda, Vladimíra Novotná, Ewa Gorecka & Damian Pociecha. (2018) Mesogens with central naphthalene core substituted at various positions. Liquid Crystals 45:5, pages 746-756.
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Hasnain Mehmood, Zahoor Ahmad, Tashfeen Akhtar, Humaira M. Siddiqi, Asma Iqbal, Shahid Hameed & Muhammad N. Tahir. (2018) Design, synthesis and liquid crystalline behavior of ethyl 4-((4-alkoxyphenyl)diazenyl)benzoates. Molecular Crystals and Liquid Crystals 664:1, pages 14-23.
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Vinay S. Sharma, Anuj S. Sharma, Rajesh H. Vekariya & R. B. Patel. (2017) Synthesis and mesomorphic properties of calamitic shaped molecules with chalconyl-ester and lateral fluoro substituents. Molecular Crystals and Liquid Crystals 658:1, pages 32-44.
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Vinay S. Sharma, Sunil B. Patel, Anuj S. Sharma & R. B. Patel. (2017) Calamitic-rod-shaped mesogens based on chalcone esters comprising varying alkoxy and lauryl ester chains: Synthesis, mesomorphism and computational study. Molecular Crystals and Liquid Crystals 656:1, pages 32-47.
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Vinay. S. Sharma, Rajesh. H. Vekariya, Anuj. S. Sharma & R. B. Patel. (2017) New hockey stick shaped amino allylidene (‒N˭CH‒CH˭CH) based compounds: Effect of linkage group on mesomorphic properties. Molecular Crystals and Liquid Crystals 652:1, pages 84-98.
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Mohamed Alaasar. (2016) Azobenzene-containing bent-core liquid crystals: an overview. Liquid Crystals 43:13-15, pages 2208-2243.
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Md. Rabiul Karim, Md. Rezaul Karim Sheikh, Rosiyah Yahya, Noordini Mohamad Salleh, Kong Mun Lo & H.N.M Ekramul Mahmud. (2016) The effect of terminal substituents on crystal structure, mesophase behaviour and optical property of azo-ester linked materials. Liquid Crystals 43:12, pages 1862-1874.
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Magdi M. Naoum, Abdelgawad A. Fahmi, Amira H. Abaza & Gamal R. Saad. (2016) The effect of orientation of the lateral methyl substituent on the mesophase behaviour of 4-alkoxyphenylazo aryl benzoates. Liquid Crystals 43:12, pages 1831-1845.
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M. Monika, Veena Prasad & N.G. Nagaveni. (2015) Hockey stick-shaped azo compounds: effect of linkage groups and their direction of linking on mesomorphic properties. Liquid Crystals 42:10, pages 1490-1505.
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Magdi M. Naoum, Nadia H. Metwally, Manal M. Abd eltawab & Hoda A. Ahmed. (2015) Polarity and steric effect of the lateral substituent on the mesophase behaviour of some newly prepared liquid crystals. Liquid Crystals 42:10, pages 1351-1369.
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Magdi M. Naoum, Abdelgawad A. Fahmi, Nagwa H.S. Ahmed & Gamal R. Saad. (2015) The effect of inversion of the ester group on the mesophase behaviour of some azo/ester compounds. Liquid Crystals 42:9, pages 1298-1308.
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Yew-Hong Ooi, Guan-Yeow Yeap, Chun-Chieh Han, Hong-Cheu Lin, Teruo Shinomiya & Masato M. Ito. (2014) Non-conventional three-armed star-shaped mesogens based on 1,3,5-trisubstituted benzene with azobenzene moieties at the periphery: synthesis, and mesomorphic behaviour. Liquid Crystals 41:7, pages 1017-1033.
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M. Alaasar, M. Prehm & C. Tschierske. (2014) New azobenzene containing bent-core liquid crystals based on disubstituted resorcinol. Liquid Crystals 41:1, pages 126-136.
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N.G. Nagaveni & Veena Prasad. (2013) Azo substituted V-shaped liquid crystalline compounds: synthesis and mesophase characterisation. Phase Transitions 86:12, pages 1227-1240.
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Nagendrappa Gowdru Nagaveni, Veena Prasad & Arun Roy. (2013) Azo functionalised achiral bent-core liquid crystals: observation of photo-induced effects in B7 and B2 mesophases. Liquid Crystals 40:10, pages 1405-1416.
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Maria-Gabriela Tamba, Alexey Bobrovsky, Valery Shibaev, Gerhard Pelzl, Ute Baumeister & Wolfgang Weissflog. (2011) Photochromic azobenzene functionalised banana–calamitic dimers and trimers: mesophase behaviour and photo-orientational phenomena. Liquid Crystals 38:11-12, pages 1531-1550.
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Zolfaghar Rezvani, Kamellia Nejati, Eslam Alizadeh & Razie Sammimi. (2010) Synthesis and Liquid-Crystalline Properties of N,N′-di-(5-(4-Alkoxyphenyl)azo)-Salicylidene-1,2-Phenylene Diiminato Nickel(II) Complexes. Molecular Crystals and Liquid Crystals 533:1, pages 16-26.
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Ibon Alonso, Josu Martinez-Perdiguero, Josu Ortega, César Luis Folcia, Jesús Etxebarria, Nélida Gimeno & María Blanca Ros. (2010) The SmA phase of a bent-core V-shaped compound: structure and electric-field response. Liquid Crystals 37:11, pages 1465-1470.
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B. T. Thaker, J. B. Kanojiya & R. S. Tandel. (2010) Effects of Different Terminal Substituents on the Mesomorphic Behavior of Some Azo-Schiff Base and Azo-Ester-Based Liquid Crystals. Molecular Crystals and Liquid Crystals 528:1, pages 120-137.
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M. Lizu, M. R. Lutfor, N. L. Surugau, S. E. How & SazmalE. Arshad. (2010) Synthesis and Characterization of Ethyl Cellulose–Based Liquid Crystals Containing Azobenzene Chromophores. Molecular Crystals and Liquid Crystals 528:1, pages 64-73.
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Veena Prasad, Shin-Woong Kang, SanjayK. Varshney & N.G. Nagaveni. (2010) Self-assembly of azo molecules to mesogenic phasmid-like materials through inter-molecular hydrogen bonding. Liquid Crystals 37:2, pages 121-128.
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S.I. Maksimenko, E. Gorecka, N.S. Novikova & R.V. Kondratyeva. (2009) Synthesis and mesomorphic properties of unsymmetrical banana-shaped 1,3-dihydroxybenzene esters. Liquid Crystals 37:1, pages 93-99.
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K. C. Majumdar, Santanu Chakravorty, Randhir Kumar Sinha & Nilasish Pal. (2009) Synthesis and Characterization of Banana-Shaped Mesogens Derived From a Benzophenone Moiety. Molecular Crystals and Liquid Crystals 515:1, pages 125-134.
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Lutfor Rahman, Sandeep Kumar, Carsten Tschierske, Gunter Israel, Diana Ster & Gurumurthy Hegde. (2009) Synthesis and photoswitching properties of bent-shaped liquid crystals containing azobenzene monomers. Liquid Crystals 36:4, pages 397-407.
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Md Lutfor Rahman, Jahimin Asik, Sandeep Kumar & Carsten Tschierske. (2008) Liquid crystalline banana‐shaped monomers derived from 2,7‐naphthalene: synthesis and properties. Liquid Crystals 35:11, pages 1263-1270.
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C. V. Yelamaggad$suffix/text()$suffix/text(), I Shashikala, D. S. Shankar Rao & S. Krishna Prasad. (2004) Bent-core V-shaped mesogens consisting of salicylaldimine mesogenic segments: synthesis and characterization of mesomorphic behaviour . Liquid Crystals 31:7, pages 1027-1036.
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Veena Prasad$suffix/text()$suffix/text() & Antal Jákli. (2004) Achiral bent-core azo compounds: observation of photoinduced effects in an antiferroelectric tilted smectic mesophase . Liquid Crystals 31:4, pages 473-479.
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