Ghanen Atassi

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The antitumor activity of a series of diorganotin dihalide and di-pseudohalide complexes, R2SnX2, L2, where R = Methyl (Me), Ethyl (Et), n-Propyl (Pr), n-Butyl (Bu) or Phenyl (Ph); X = F, Cl, Br, I or NCS; and L = O- or N- donor organic ligand, which were modelled on the active platinum complexes, has been investigated. A number of these derivatives exhibit(More)
The dimeric alkaloids vinblastine (VLB) and vincristine (VCR) differ structurally only in the functional group on the dihydroindole nitrogen. The semisynthetic derivative vindesine (VDS) differs slightly from VLB by having an amide group instead of an ester group. However, these minor distinctions are responsible for profound differences in the oncolytic(More)
A set of disubstituted tetracyclic lactones has been synthesized and tested for potential antitumor activity. Several of them possess a noticeable cytotoxicity against L1210 and HT-29 colon cells in vitro. Relationships between chain nature and biological properties were sought. Lactones with a pentyl or hexyl substituent at C-11 are the most active ones.(More)
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