Antiprotozoal polyacetylenes from the Tanzanian medicinal plant <em>Cussonia zimmermannii</em> (Publications)
From the petroleum ether extract of the root bark of Cussonia zimmermannii four polyacetylenes, 1- 4, were isolated, three of which ( 1- 3) were active against Trypanosoma brucei rhodesiense, Trypanos
Isomerization of 4-amino-6,7-diphenylbicyclo[2.2.2]octan-2-ones (Publications)
Under strongly basic conditions (6SR,7SR)-4-amino-6,7-diphenylbicyclo[2.2.2]octan-2-ones isomerized regioselectively in position 6 giving their (6RS,7SR) analogues. The structure of the new products w
New 4-amino-2-azabicyclo[3.2.2]nonane derivatives and their antiprotozoal potencies (Publications)
Several 2-substituted 4-amino-2-azabicyclo [3.2.2]nonane derivatives were synthesized. The new compounds were investigated for their activities against the causative organism of East African sleeping
Synthesis and evaluation of the antitrypanosomal and antiplasmodial activities of new 4-aminobicyclo[2.2.2]octane derivatives (Publications)
Several new 4-amino-6,7-diphenylbicyclo[2.2.2]octane derivatives, methylthiosemicarbazones of bicyclo[2.2.2]octan-2-ones and esters of bicyclo[2.2.2]octan-2-ols were prepared. Their antitrypanosomal a
Antimalarial activity of novel pyrrolizidinyl derivatives of 4-aminoquinoline (Publications)
Two pyrrolizidinylalkyl derivatives of 4-amino-7-chloroquinoline (MG2 and MG3) were prepared and tested in vitro against CQ-sensitive and CQ-resistant strains of Plasmodium falciparum and in vivo in a
Synthesis, antiprotozoal and cytotoxic activities of new N-(3,4-dimethyl-5-isoxazolyl)-1,2-naphthoquinone-4-amino derivatives (Publications)
Three derivatives of N-(3,4-dimethyl-5-isoxazolyl)-1,2-naphthoquinone-4-amino (1), a compound which exhibits significant activity against Trypanosoma cruzi and Plasmodium falciparum but with cytotoxic