Electric Literature of 21436-03-3. Let¡¯s face it, organic chemistry can seem difficult to learn. Especially from a beginner¡¯s point of view. Like 21436-03-3, Name is (1S,2S)-Cyclohexane-1,2-diamine. In a document type is Conference Paper, introducing its new discovery.
Novel platinum(II)-based anticancer complexes and molecular hosts as their drug delivery vehicles
Platinum(ii)-based DNA intercalators where the intercalating ligand is 1,10-phenanthroline or a phenanthroline derivative and where the ancillary ligand is either achiral (e.g. ethylenediamine) or chiral (e.g. diaminocyclohexane) show a range of cytotoxicities with a defined structure-activity relationship. The most cytotoxic are those that contain methylated-phenanthroline ligands and 1S,2S-diaminocyclohexane (S,S-dach) as the ancillary ligand. We have developed a new purification method using Sep-Pak C-18 reverse phase columns, which means these metal complexes can be made faster and cheaper compared to published methods. Platinum(ii)-based complexes containing imidazole, pyrrole and beta-alanine subunits, that are capable of recognising specific DNA base-pair sequences have also been synthesised. These include linear or hairpin polyamide ligands that can recognise DNA sequences up to seven base-pairs in length and contain single platinum centres capable of forming monofunctional adducts with DNA. We have now synthesised and characterised, by 1H and 195Pt NMR, ESI-MS and elemental analysis, the first dinuclear platinum(ii) DNA sequence selective agent. Finally, using 1H NMR we have examined the encapsulation of our platinum(ii)-based DNA intercalators by cucurbit[6]uril (CB[6]). Encapsulation by CB[6] was found to not significantly change the cytotoxicity of five platinum(ii)-based DNA intercalators, indicating it may have utility as a molecular carrier for improved drug delivery. This journal is The Royal Society of Chemistry.
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Chiral Catalysts,
Chiral catalysts – SlideShare