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master's thesis
Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala
diplomski rad
2021. urn:nbn:hr:167:687986
Čulina, Marija
University of Split
Faculty of Chemistry and Technology
Division of Chemistry

Cite this document

Čulina, M. (2021). Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad (Master's thesis). Split: University of Split, Faculty of Chemistry and Technology. Retrieved from https://urn.nsk.hr/urn:nbn:hr:167:687986

Čulina, Marija. "Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad." Master's thesis, University of Split, Faculty of Chemistry and Technology, 2021. https://urn.nsk.hr/urn:nbn:hr:167:687986

Čulina, Marija. "Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad." Master's thesis, University of Split, Faculty of Chemistry and Technology, 2021. https://urn.nsk.hr/urn:nbn:hr:167:687986

Čulina, M. (2021). 'Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad', Master's thesis, University of Split, Faculty of Chemistry and Technology, accessed 09 December 2024, https://urn.nsk.hr/urn:nbn:hr:167:687986

Čulina M. Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad [Master's thesis]. Split: University of Split, Faculty of Chemistry and Technology; 2021 [cited 2024 December 09] Available at: https://urn.nsk.hr/urn:nbn:hr:167:687986

M. Čulina, "Sinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad", Master's thesis, University of Split, Faculty of Chemistry and Technology, Split, 2021. Available at: https://urn.nsk.hr/urn:nbn:hr:167:687986

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Metadata
TitleSinteza spojeva s 3-fenil-3-hidroksipropanskom podjedinicom sa svojstvima tekućih kristala : diplomski rad
Title (english)Synthesis of compounds containing 3-phenyl-3-hydroxypropanoic subunit with liquid crystal properties : diploma thesis
AuthorMarija Čulina
MentorFranko Burčul (mentor)
Committee memberIvica Blažević (predsjednik povjerenstva)
Committee memberMario Nikola Mužek (član povjerenstva)
Committee memberFranko Burčul (član povjerenstva)
GranterUniversity of Split
Faculty of Chemistry and Technology
(Division of Chemistry)
Split
Defense date and country2021-09-21, Croatia
Scientific / art field,
discipline and subdiscipline		NATURAL SCIENCES
Chemistry
Abstract
Pripravljeni su homolozi nesimetriĉnih dimera kako bi se ispitala njihova mezogena svojstva. Dimeri posjeduju 3-fenil-3-hidroksipropansku podjedinicu povezanu esterskom vezom preko neparne alkilne razmaknice s cijanobifenilnom podjedinicom. Pripravljeni dimeri se razlikuju po duljini terminalnih lanaca. Kljuĉna reakcija u sintezi je Reformatskyjeva reakcija kojom je pripravljen etil-3-(4-(benziloksi)fenil)-3- hidroksipropanoat (2) na kojeg je u slijedećim koracima esterskom vezom vezan 4'-(3-hidroksipropil)-[1,1'- bifenil]-4-karbonitril (1). Spoj 1 pripravljen je Suzuki-Miyaura reakcijom. Uz pomoć polarizacijskog optiĉkog mikroskopa i diferencijalne pretražne kalorimetrije ispitana su mezogena svojstva ciljnih molekula. Oba spoja pokazuju svojstva tekućih kristala. Temeljem optiĉke teksture utvrĊeno je da se spojevi samoorganiziraju u antiklinalnu smektiĉku C fazu (SmC A ).
Abstract (english)
H omologues of asymmetric dimers were prepared to examine their mesogenic properties. The dimers possess a 3-phenyl-3-hydroxypropane subunit which is linked to the cyanobiphenyl subunit by an ester bond via an odd alkyl spacer. The prepared dimers differ in the length of the terminal chains. The key reaction in the synthesis is the Reformatsky reaction to prepare ethyl-3-(4-(benzyloxy)phenyl) -3-hydroxypropanoate (2) to which 4'-(3-hydroxypropyl)-[1,1'-biphenyl]-4-carbonitrile (1) is attached in the following steps by an ester bond. Compound 1 was prepared by Suzuki-Miyaura reaction. The mesogenic properties of the target molecules were examined with the help of a polarizing optical microscope and differential scanning calorimetry. Both compounds show the properties of liquid crystals. Based on the optical texture, the compounds were found to self-organize into the anticline smectic C phase (SmCA).
Keywords
Keywords (english)
Languagecroatian
URN:NBNurn:nbn:hr:167:687986
Study programmeTitle: Chemistry; specializations in: Environmental Protection, Organic Chemistry and Biochemistry
Course: Environmental Protection
Study programme type: university
Study level: graduate
Academic / professional title: magistar/magistra kemije (magistar/magistra kemije)
Type of resourceText
File originBorn digital
Access conditionsOpen access
Terms of useLicence In copyright icon
Created on2022-01-14 10:22:09