Liquid crystals with negative dielectric anisotropy: the effect of unsaturation in the terminal chain on thermal and electro-optical properties

References

• Hird , M , Gray , GW and Toyne , KJ. 1992 . The synthesis and transition temperatures of some trans-4-alkylcyclohexylethyl-substituted 2,3-difluorobiphenyls . Liq Cryst , 11 : 531 – 546 .
   Web of Science ®Google Scholar
• Hird , M , Toyne , KJ , Slaney , AJ and Goodby , JW. 1995 . Synthesis and transition temperatures of host materials for ferroelectric mixtures . J Mater Chem , 5 : 423 – 430 .
   Web of Science ®Google Scholar
• Kirsch , P , Reiffenrath , V and Bremer , M . 1999 . Nematic liquid crystals with negative dielectric anisotropy: molecular design and synthesis . Synlett , : 389 – 396 .
   Google Scholar
• Bremer , M and Lietzau , L. 2005 . 1,1,6,7-Tetrafluoroindanes: improved liquid crystals for LCD-TV application . New J. Chem , 29 : 72 – 74 .
   Web of Science ®Google Scholar
• Januszko , A , Glab , KL , Kaszynski , P , Patel , K , Lewis , RA , Mehl , GH and Wand , MD. 2006 . The effect of carborane, bicyclo[2.2.2]octane and benzene on mesogenic and dielectric properties of laterally fluorinated three-ring mesogens . J Mater Chem , 16 : 3183 – 3192 .
   Web of Science ®Google Scholar
• Hird , M. 2007 . Fluorinated liquid crystals – properties and applications . Chem Soc Rev , 36 : 2070 – 2095 .
   PubMed Web of Science ®Google Scholar
• Goodby , JW , Saez , IM , Cowling , SJ , Gasowska , JS , MacDonald , RA , Sia , S , Watson , P , Toyne , KJ , Hird , M , Lewis , RA and Lee , S-E, Vaschenko V. 2009 . Molecular complexity and the control of self-organising processes . Liq Cryst , 36 : 567 – 605 .
   Web of Science ®Google Scholar
• Jiang , Y , An , Z , Chen , P , Chen , X and Zheng , M. 2012 . Synthesis and mesomorphic properties of but-3-enyl-based fluorinated biphenyl liquid crystals . Liq Cryst , 39 : 457 – 465 .
   Web of Science ®Google Scholar
• Jiang , Y , Lu , L , Chen , P , Chen , X , Li , J and An , Z. 2012 . Synthesis and properties of allyloxy-based biphenyl liquid crystals with multiple lateral fluoro substituents . Liq Cryst , 39 : 957 – 963 .
   Web of Science ®Google Scholar
• Dziaduszek , J , Kula , P , Dąbrowski , R , Drzewiński , W , Garbat , K , Urban , S and Gauza , S. 2012 . General synthesis method of alkyl–alkoxy multi-fluorotolanes for negative high birefringence nematic mixtures . Liq Cryst , 39 : 239 – 247 .
   Web of Science ®Google Scholar
• Kirsch , P and Bremer , M . 2000 . Nematic liquid crystals for active matrix displays: molecular design and synthesis . Angew Chem Int Ed Engl , 39 : 4216 – 4235 .
   PubMed Web of Science ®Google Scholar
• Pauluth , D and Tarumi , K. 2004 . Advanced liquid crystals for television . J Mater Chem , 14 : 1219 – 1227 .
   Web of Science ®Google Scholar
• Goodby , JW. 2011 . The nanoscale engineering of nematic liquid crystals for displays . Liq. Cryst , 38 : 1363 – 1387 .
   Web of Science ®Google Scholar
• Jankowiak , A , Januszko , A , Ringstrand , B and Kaszynski , P. 2008 . New series of liquid crystals with negative dielectric anisotropy . Liq Cryst , 35 : 65 – 77 .
   Web of Science ®Google Scholar
• Petrzilka , M. 1985 . New liquid crystals: the synthesis and mesomorphic properties of nematic alkenylsubstituted cyanophenylcyclohexanes . Mol Cryst Liq Cryst , 131 : 109 – 123 .
   Web of Science ®Google Scholar
• Schadt , M , Buchecker , R , Leenhouts , F , Boller , A , Villiger , A and Petrzilka , M. 1986 . New nematic liquid crystals: influence of rigid cored, alkenyl side-chains and polarity on material and display properties . Mol Cryst Liq Cryst , 139 : 1 – 25 .
   Web of Science ®Google Scholar
• Schadt , M , Buchecker , R and Müller , K. 1989 . Invited lecture. Material properties, structural relations with molecular ensembles and electro-optical performance of new bicyclohexane liquid crystals in field-effect liquid crystal displays . Liq Cryst , 5 : 293 – 312 .
   Web of Science ®Google Scholar
• Kelly , SM. 1996 . The effect of the position and configuration of carbon–carbon double bonds on the mesomorphism of thermotropic, non-amphiphilic liquid crystals . Liq Cryst , 20 : 493 – 515 .
   Web of Science ®Google Scholar
• White , JD and Hrnciar , P. 2000 . Synthesis of polyhydroxylated pyrrolizidine alkaloids of the alexine family by tandem ring-closing metathesis − transannular cyclization. (+)-Australine . J Org Chem , 65 : 9129 – 9142 .
   PubMed Web of Science ®Google Scholar
• Scheideman , M , Shapland , P and Vedejs , E. 2003 . Mechanistic alternative for the intramolecular hydroboration of homoallylic amine and phosphine borane complexes . J Am Chem Soc , 125 : 10502 – 10503 .
   PubMed Web of Science ®Google Scholar
• Dobbs , AP , Guesné , SJJ , Parker , RJ , Skidmore , J , Stephenson , RA and Hursthouse , MB. 2010 . A detailed investigation of the aza-Prins reaction . Org Biomol Chem , 8 : 1064 – 1080 .
   PubMed Web of Science ®Google Scholar
• Servis , KL and Roberts , JD. 1965 . Small-ring compounds. XLIII. Formolysis of substituted allylcarbinyl tosylates . J Am Chem Soc , 87 : 1331 – 1339 .
   Web of Science ®Google Scholar
• Schlosser , M . 1966 . Christmann KF. Trans-selective olefin syntheses . Angew Chem Int Ed Engl , 5 : 126
   Web of Science ®Google Scholar
• Cahiez , G and Chaboche , C . 2000 . Jézéquel M. Cu-catalyzed alkylation of grignard reagents: a new efficient procedure . Tetrahedron , 56 : 2733 – 2737 .
   Web of Science ®Google Scholar
• Tamao , K , Sumitani , K , Kiso , Y , Zembayashi , M , Fujioka , A , Kodama , S , Nakajima , I , Minato , A and Kumada , M. 1976 . Nickel-phosphine complex-catalyzed grignard coupling. I. Cross-coupling of alkyl, aryl, and alkenyl grignard reagents with aryl and alkenyl halides: general scope and limitations . Bull Chem Soc Jpn , 49 : 1958 – 1969 .
   Web of Science ®Google Scholar
• Plaut , DJ , Martin , SM , Kjaer , K , Weygand , MJ , Lahav , M , Leiserowitz , L , Weissbuch , I and Ward , MD. 2003 . Structural characterization of crystalline ternary inclusion compounds at the air − water interface . J Am Chem Soc , 125 : 15922 – 15934 .
   PubMed Web of Science ®Google Scholar
• Demus , D and Richter , L. 1980 . Textures of liquid crystals , 2nd , Leipzig : VEB .
   Google Scholar
• Gray , GW and Goodby , JWG. 1984 . Smectic liquid crystals-textures and structures , Philadelphia , PA : Leonard Hill .
   Google Scholar
• Dierking , I. 2003 . Textures of liquid crystals , Weinheim : Wiley-VCH .
   Google Scholar
• Reiffenrath , V , Krause , J , Waechtler , A , Weber , G , Finkenzeller , U , Coates , D , Sage , IC , Greenfield , S , Gray , GW , Hird , M , Lacey , D and Toyne , KJ. 1989 . 2,3-Difluorobiphenyls . Ger. Offen. DE , 3.807.861
   Google Scholar
• Duffy , WL , Jones , JC , Kelly , SM , Minter , V and Tuffin , RP. 1999 . Synthesis and evaluation of nematic 4-alkenyloxy- and 4-alkenoyloxy-4′-cyanobiphenyls . Mol Cryst Liq Cryst , 332 : 101 – 108 .
   Google Scholar
• Skelton , GW , Dong , D , Tuffin , RP and Kelly , SM. 2003 . Nematic tolanes and acetylenes . J Mater Chem , 13 : 450 – 457 .
   Web of Science ®Google Scholar
• Kelly , SM. 1993 . 2-[4-Alkenyloxy)phenyl]-5-alkylpyrimidines The relationship between position and nature (E/Z) of the double bond and transition temperatures . Liq Cryst , 14 : 675 – 698 .
   Web of Science ®Google Scholar
• Frisch , MJ , Trucks , GW , Schlegel , HB , Scuseria , GE , Robb , MA , Cheeseman , JR , Scalmani , G , Barone , V , Mennucci , B , Petersson , GA , Nakatsuji , H , Caricato , M , Li , X , Hratchian , HP , Izmaylov , AF , Bloino , J , Zheng , G , Sonnenberg , JL , Hada , M , Ehara , M , Toyota , K , Fukuda , R , Hasegawa , J , Ishida , M , Nakajima , T , Honda , Y , Kitao , O , Nakai , H , Vreven , T , Montgomery , JA Jr , Peralta , JE , Ogliaro , F , Bearpark , M , Heyd , JJ , Brothers , E , Kudin , KN , Staroverov , VN , Keith , T , Kobayashi , R , Normand , J , Raghavachari , K , Rendell , A , Burant , JC , Iyengar , SS , Tomasi , J , Cossi , M , Rega , N , Millam , JM , Klene , M , Knox , JE , Cross , JB , Bakken , V , Adamo , C , Jaramillo , J , Gomperts , R , Stratmann , RE , Yazyev , O , Austin , AJ , Cammi , R , Pomelli , C , Ochterski , JW , Martin , RL , Morokuma , K , Zakrzewski , VG , Voth , GA , Salvador , P , Dannenberg , JJ , Dapprich , S , Daniels , AD , Farkas , O , Foresman , JB , Ortiz , JV , Cioslowski , J and Fox , DJ . 2009 . Gaussian 09, Revision A.02 , Wallingford , CT : Gaussian, Inc .
   Google Scholar
• Wu , S-T , Coates , D and Bartmann , E. 1991 . Physical properties of chlorinated liquid crystals . Liq. Cryst , 10 : 635 – 646 .
   Web of Science ®Google Scholar
• Saito , H. 2001 . “ Elastic properties of nematics for applications ” . In Physical properties of liquid crystals: nematics , Edited by: Dunmur , DA , Fukuda , A and Luckhurst , GR . 582 – 591 . London : IEE .
   Google Scholar