Laterally substituted biphenyl benzoates - synthesis and mesomorphic properties

Cigl, Martin; Hampl, F.; Svoboda, J.; Podoliak, Natalia; Stulov, Sergey; Kohout, M.; Novotná, Vladimíra

doi:https://dx.doi.org/10.1080/02678292.2020.1794069

Počet záznamů: 1

Laterally substituted biphenyl benzoates - synthesis and mesomorphic properties

1.

SYSNO ASEP	0541639
Druh ASEP	J - Článek v odborném periodiku
Zařazení RIV	J - Článek v odborném periodiku
Poddruh J	Článek ve WOS
Název	Laterally substituted biphenyl benzoates - synthesis and mesomorphic properties
Tvůrce(i)	Cigl, Martin (FZU-D)_{RID, ORCID} Hampl, F. (CZ) Svoboda, J. (CZ) Podoliak, Natalia (FZU-D)_{RID, ORCID} Stulov, Sergey (FZU-D)_ORCID Kohout, M. (CZ) Novotná, Vladimíra (FZU-D)_{RID, ORCID, SAI}
Celkový počet autorů	7
Zdroj.dok.	Liquid Crystals. - : Taylor & Francis - ISSN 0267-8292 Roč. 48, č. 4 (2021), s. 526-536
Poč.str.	12 s.
Jazyk dok.	eng - angličtina
Země vyd.	GB - Velká Británie
Klíč. slova	biphenyl benzoates ; lateral substitution ; nematics ; smectic phases
Vědní obor RIV	CC - Organická chemie
Obor OECD	Organic chemistry
CEP	EF16_019/0000760 GA MŠMT - Ministerstvo školství, mládeže a tělovýchovy
	GA18-14497S GA ČR - Grantová agentura ČR
Způsob publikování	Omezený přístup
Institucionální podpora	FZU-D - RVO:68378271
UT WOS	000550969600001
EID SCOPUS	85088471929
DOI	10.1080/02678292.2020.1794069
Anotace	We have synthesised several series of dialkoxy-terminated biphenyl benzoates with lateral substituents (F, Cl) in the vicinity of the ester linking group, varying the length of the terminal alkyl chains. The aim was to study mesomorphic properties of these new compounds and compare them with the previously reported analogous phenyl biphenylcarboxylates, which possess reverse orientation of the ester linking group. The studied compounds were characterised by differential scanning calorimetry, polarising optical microscopy and birefringence measurements. For selected homologues, the type of mesophases was confirmed by x-ray scattering analysis. We calculated the dipole moments and suggested its correlation with the preference of tilted smectic phases in studied biphenyl benzoates. Generally, lateral substitution causes the drop of phase transition temperatures as well as melting points, giving rise to mesophases in a wide temperature range, in several cases down to the room temperature.
Pracoviště	Fyzikální ústav
Kontakt	Kristina Potocká, potocka@fzu.cz, Tel.: 220 318 579
Rok sběru	2022
Elektronická adresa	https://doi.org/10.1080/02678292.2020.1794069

Počet záznamů: 1