Journal of enzyme inhibition and medicinal chemistry · 2009
In vitro anti-leishmanial activities of germatranyl and Silicon incorporated diorganotin derivatives: synthesis and spectroscopic properties.
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Salma U, Mazhar M, Imtiaz-Ud-Din, Ali S, Khan Khalid M
Аннотация
A series of germanium and silicon incorporated diorganotin derivatives of general formula [N(OCH2CH2)3GeCH(R(1)CH2CO2]2 SnR2(2) where R1 = H3C, C6H5, p-CH3C6H4, p-FC6H4; R2 = H2CSi(CH3)2C6H5, H2CC6H5, p-CH3C7H7 were synthesized by the reaction of appropriate diorganotin dichlorides and germatranyl (substituted) propionic acid in 1:2 mole ratio, respectively. The evidence regarding their structure is mainly based on spectroscopic data obtained by multinuclear (1H, 13C, 29Si, 119Sn) NMR and 119mSn Mössbauer, IR and mass spectral studies in combination with melting points and elemental analyses. The compounds have been screened for in vitro anti-leishmanial activity against promastigotes of Leishmania major and the results offer potent activities which are better than the standard drug, pentamidine, for one compound.