homologous series
Synthesis and Study of Ester Homologous Series of Mesogenic Characteristics : p Isobutyloxy Phenyl p' n alkoxy benzoates
... parameters. Homologous series A and B chosen for comparison with series-1 consist of two phenyl rings bridged through -COO- central group and left n-alkoxy terminal are common identical part of all ...
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Synthesis and Study of New Homologous Series of Mesogens: n Butyl p (p/ n alkoxy cinnamoyloxy) Cinnamates
... ester homologous series of mesogens are reported by different groups of researchers (1to16) to understand and to establish the relation between molecular structure and mesogenic ...ester homologous ...
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Ethylene Derivatives of Liquid Crystalline Properties : Homologous Series : -4-[-4’-n-Alkoxy Cinnamoyloxy] benzoyl -phenyl ethylenes.
... investigated series 1 is attributed to the absence of lamellar packing of molecules in the crystal lattices of respective homologues of series under ...same series is attributed to the sequentially ...
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Mesomorphic Properties of a New Homologous Series: 4 (4’ nalkoxy benzoyloxy) 3 methoxy phenyl azo 4’’ chlorobenzenes
... Homologous series 4-hydroxy-3- methoxy phenyl azo- 4’- chlorobenzenes is a nonliquidcrystal substance but linking of phenyl ring bridged through –COO- and left n-alkoxy terminal induces mesomorphic ...the ...
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Mesomorphic properties of a new homologous series: 2 (4’ Nalkoxy benzoyloxy) naphthyl 1 azo 4’’ nitro benzenes
... New homologous series with -COO- and -N=N- as central group have been synthesized by the treatment of 4-n-alkoxy benzoyl chloride with 2-Hydroxy - naphthyl – 1 – azo – 4’ – nitro ...the series are ...
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Synthesis and study of Ester Mesogenic Homologous Series: Ethyl o [p' n alkoxy benzoyloxy]benzoates
... crystallinity’. Homologous series-1 is predominantly nematogenic and partly smectogenic while series-A is entirely smectogenic without exhibition of any nemetic ...of series-A is lower than ...
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Synthesis and Study of Mesogenic Material Through Homologous Series: n-pentyl-pn -alkoxy cinnamoyloxy) Cinnamates
... new homologous series of twelve mesogens is synthesized by usual established method with, a view to understand and establish the relation between mesogenic properties of the substances and their molecular ...
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A reference data set for validating vapor pressure measurement techniques: homologous series of polyethylene glycols
... Abstract. To predict atmospheric partitioning of organic compounds between gas and aerosol particle phase based on explicit models for gas phase chemistry, saturation vapor pressures of the compounds need to be ...
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A NOVEL MESOMORPHIC HOMOLOGOUS SERIES OF ESTER DERIVATIVES P (P’ N ALKOXY BENZOYLOXY) N HEPTYL BENZOATES
... new homologous series of non amphiphilic liquid crystals p(p’-n- Alkoxy Benzoyloxy) n-Heptyl Benzoates with configuration is synthesized and studied with a view to understand the effect of molecular ...
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Effect of cybotactic clusters on the elastic and flexoelectric properties of bent core liquid crystals belonging to the same homologous series
... temperature in the nematic phase of the three compounds. All of the three BCNs have the same 4-cyanoresorcinol bisbenzoate core but these differ in chain lengths, n = 4 (C4), n = 6 (C6), and n = 7 (C7) and thus these ...
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Synthesis and Study of Thermotropic Mesogenic Homologous Series: pn alkoxy benzoyloxy)- m- Chlorophenyl azo-p ”- Chlorobenzenes
... Title homologous series p-(p’-n-alkoxy benzoyloxy)–m-chlorophenyl azo-p”-chlorobenzens was synthesized by condensing azodye (b) and corresponding p-n-alkoxy benzoyl chloride (a) in dry ...
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Study of homologous series of azomesogens with lateral chloro substitution
... A homologous series of azomesogens, 4-(4’-n-alkoxy benzoyloxy)-3-chloro phenylazo benzenes of twelve homologues has been ...the series are either monotropically or enantiotropically nematogenic with ...
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Synthesis and study of new ester homologous series of Mesomorphs: 4 Ethoxy phenyl 4’ n alkoxy benzoates
... titled homologous series was synthesized by condensing n-alkoxy benzoyl chloride with 4- Hydroxy phenol in pyridine and studied with a view to understand effect of molecular structure on mesomorphic ...the ...
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Homoplasy in genome-wide analysis of rare amino acid replacements: the molecular-evolutionary basis for Vavilov's law of homologous series
... of homologous series in variation". The law of homologous series was pro- pounded by the famous Russian geneticist, botanist, and plant geographer Nikolai ...similar series of ...
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SYNTHESIS AND STUDY OF A NEW HOMOLOGOUS SERIES OF NOVEL CHALCONE DERIVATIVE
... novel homologous series consisted of three phenyl rings and ester and Chalcone central bridges which acts as rigid core and two end groups contributing flexible core of the molecules, induces nematic type ...
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Basic surface-active properties in the homologous series of β-alkyl (C12H25/C18H37) polyethyleneoxy (n = 0-20) propionamides
... both homologous series of hydrocarbon chains (LM and CS) stands out from the rest of representatives, being solid, waxy white-gray (20°C), insoluble in cold and hot (60°C) water, where even in dilute ...
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Synthesis and study of a new homologous series of Cis Cinnamate Esters of Mesogens: n-Hexyl-pn -alkoxy cinnamoyloxy) Cinnamates
... Homologues of the homologous series entitled n-hexyl-p-[p/-n-alkoxy Cinnamoyloxy] Cinnamates are geometrically cis isomers as determined from spectroscopic data. Methoxy and ethoxy homologues are ...
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A Novel Mesomorphic Homologous Series of Ester Derivatives p(p’ n Alkoxy Benzoyloxy) β Phenyl Ethyl Benzoates
... investigated homologous series is predominantly nematogenic and partly smectogenic without showing an odd–even ...same series is due to the sequential addition of methylene unit (4) in the terminal ...
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Biaxial order parameter in the homologous series of orthogonal bent core smectic liquid crystals
... Measurements of biaxiality have been carried out on a bent- core 4-cyanoresorcinol bisbenzoate with two terephthalate- based wings [25], with alkyl chain lengths of 8, 12, and 14. The chemical structure of these ...
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Biaxial order parameter in the homologous series of orthogonal bent-core smectic liquid crystals
... Measurements of biaxiality have been carried out on a bent- core 4-cyanoresorcinol bisbenzoate with two terephthalate- based wings [25], with alkyl chain lengths of 8, 12, and 14. The chemical structure of these ...
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