Browsing by Author "Qwebani, Tozama"

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    Studies on the synthesis, cyclodextrin inclusion and biological activity of ajoene analogues as potentially novel anti-cancer agents
    (2009) Qwebani, Tozama; Hunter, Roger; Caira, Mino R
    The first part of the thesis describes synthesis of 10-( 4-methoxyphenyl)-4,5,9-trithia-deca- 1 ,6-diene (25) as an ajoene mimic and as a mixture of EIZ-geometrical isomers using new synthetic methodology. 4,5,9-trithia-dodeca-1,6-diene 9-oxide (43), 4,5,9-trithia-dodeca-,6- ene 9-oxide (44) and 2,3,7-trithia-deca-4-ene 7-oxide (45) were also successfully synthesized as a mixture of EIZ- separable geometrical isomers using the same synthetic methodology. The synthesis involved a radical addition and a chemoselective oxidation as key steps. Characterisation was carried out by [1]H NMR, [13]C NMR, IR and HRMS spectroscopies.