Novel sulphonamide derivatives for the treatment of cancer

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Abstract
The sulphonamides constitute an important class of therapeutic agents in current medicinal science. After the discovery by Gerhard Domagk, of sulphamidochrysoidine (prontosil) as the first antibiotic sulpha-drug an active metabolite of the drug, sulphanilamide, was further derivatised in order to find compounds exhibiting superior antibacterial activity or different pharmacological effects. Diversification of the sulphanilamide structure led to the serial development of improved antibiotics, insulin-releasing hypoglycaemic drugs, carbonic anhydrase- (CA) inhibitory diuretics, anti-hypertensive drugs etc. It is of particular interest that various structurally novel sulphonamide derivatives have recently been reported to show substantial anti-tumour activity in vitro and/or in vivo. Although they have a common chemical motif of an aromatic/heterocyclic sulphonamide, there are a variety of mechanisms for their anti-tumour action, such as disruption of microtubule assembly, cell cycle arrest in the G1 phase, ...

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