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Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit

A series of intermediates were synthesised via azo coupling reactions to give the alkylated compounds with one azo linking unit, 2a-c and with two azo linking units, 5a-c. These intermediates were subjected to further monosubstitution and hexasubstitution reactions with cyclotriphosphazene to produc...

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Main Author: Loh, Miyeko Lotus Leh Ching
Format: Thesis
Language:English
Published: 2017
Subjects:
QD1-999 Chemistry
Online Access:http://eprints.usm.my/45410/1/MIYEKO%20LOTUS%20LOH%20LEH%20CHIING.pdf
http://eprints.usm.my/45410/
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spelling my.usm.eprints.45410 http://eprints.usm.my/45410/ Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit Loh, Miyeko Lotus Leh Ching QD1-999 Chemistry A series of intermediates were synthesised via azo coupling reactions to give the alkylated compounds with one azo linking unit, 2a-c and with two azo linking units, 5a-c. These intermediates were subjected to further monosubstitution and hexasubstitution reactions with cyclotriphosphazene to produce a series of final compounds 7a-f. These compounds were characterised using FT-IR (Fourier Transform Infrared), 1D and 2D NMR (Nuclear Magnetic Resonance) spectroscopy and CHN elemental analysis. Intermediates 2d-f and 4a-c were found to be mesogenic with nematic and smectic phases, as determined under the POM (Polarised Optical Microscopy). 2017-07 Thesis NonPeerReviewed application/pdf en http://eprints.usm.my/45410/1/MIYEKO%20LOTUS%20LOH%20LEH%20CHIING.pdf Loh, Miyeko Lotus Leh Ching (2017) Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit. Masters thesis, Universiti Sains Malaysia.
institution Universiti Sains Malaysia
building Hamzah Sendut Library
collection Institutional Repository
continent Asia
country Malaysia
content_provider Universiti Sains Malaysia
content_source USM Institutional Repository
url_provider http://eprints.usm.my/
language English
topic QD1-999 Chemistry
spellingShingle QD1-999 Chemistry
Loh, Miyeko Lotus Leh Ching
Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit
description A series of intermediates were synthesised via azo coupling reactions to give the alkylated compounds with one azo linking unit, 2a-c and with two azo linking units, 5a-c. These intermediates were subjected to further monosubstitution and hexasubstitution reactions with cyclotriphosphazene to produce a series of final compounds 7a-f. These compounds were characterised using FT-IR (Fourier Transform Infrared), 1D and 2D NMR (Nuclear Magnetic Resonance) spectroscopy and CHN elemental analysis. Intermediates 2d-f and 4a-c were found to be mesogenic with nematic and smectic phases, as determined under the POM (Polarised Optical Microscopy).
format Thesis
author Loh, Miyeko Lotus Leh Ching
author_facet Loh, Miyeko Lotus Leh Ching
author_sort Loh, Miyeko Lotus Leh Ching
title Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit
title_short Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit
title_full Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit
title_fullStr Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit
title_full_unstemmed Synthesis, Characterisation And Determination Of Mesophase Transition Of Cyclotriphosphazene Derivatives With Azo Linking Unit
title_sort synthesis, characterisation and determination of mesophase transition of cyclotriphosphazene derivatives with azo linking unit
publishDate 2017
url http://eprints.usm.my/45410/1/MIYEKO%20LOTUS%20LOH%20LEH%20CHIING.pdf
http://eprints.usm.my/45410/
_version_ 1646011344339599360
score 13.188404

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