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Chemistry Thesis

Ugi reaction
The carboxylic acid is then added together with the imino carbon; acyl transfer rearranges the resulting acylated isoamide, leading to the creation of the desired product [17].That the reaction occurs at room temperature also means that the reaction is relatively simply and cost-effective: it does not require using artificial additions and can be easily held without complex temperature-regulating mechanisms [9].Most, if not all, Ugi reaction products tend to precipitate in pure form [9; 15;
Pages: 6 (1500 words), Thesis
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Ionic Liquid and Multicomponent Reaction
The isocyanides themselves being critical to the four-component reaction. (20) As well as being central to Passerini-type reactions.In addition, ionic liquids are useful for isomerizations, sugar acetylation, (21) the Baylis-Hillman reaction, (22) other high-temperature organic syntheses, given high thermal stability. (When dicationic) (23) Within Ionic liquids, yields can be relatively high for stereochemistry-retained vinyl chalcogenides, (24) and N-substitution of alkyl halides, and
Pages: 3 (750 words), Thesis
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Supramolecular chemistry
The tiny size of the hydrogen atom creates a high affinity for the other electrons thus the combinations tend to aligned in certain direction.Coordinate bonding is another form of chemical interaction that involves the bonding between ionic form of metals and atoms that are concentrated with electrons. The force involved in this process is relatively low but the theory of alienation of the structure in a certain direction is relevant. The Van der Waals chemical bonding is yet another form of
Pages: 4 (1000 words), Thesis
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Literature and Laboratory Skills
These natural metabolites are reported to contain toxicological properties. Therefore, there is the need to detect their presence in water and subsequently remove them. Cylindrospermopsin was first extracted in 1992 from the cyanobacterium Cylindrospermopsis raciborskii and characterised using a combination of NMR and mass spectroscopy.7-deoxy-cylindrospermopsin was later discovered and characterised in 1999 by HPLC during a routine purification of cylindrospermopsin. It is also thought that
Pages: 5 (1250 words), Thesis
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