title: Urea stibamine: an improved method of preparation and its antileishmanial activity.
abstract: An improved method for preparation of urea stibamine was developed. The crude p-acetylaminophenyl stibonic acid (II) prepared was purified by dissolving it in Na2CO3 solution, whererin acid (II) dissolved leaving behind the impurities. Acid (II) was directly combined with urea without hydrolyzing the acetyl group to give urea stibamine. Biological activity of the drug in vitro as well as in vivo was also studied. The drug had no inhibitory effect on growth, respiration, incorporation of radiolabeled precursors into promastigotes of L. donovani, and on transformation of amastigotes to promastigotes. In infected hamster, the effect of the drug was highly significant in vivo., as it removed the parasitic burden completely.
mesh_terms: D000818:Animals; D000965:Antimony / Q000494:pharmacology / Q000627:therapeutic use*; D000981:Antiprotozoal Agents / Q000138:chemical synthesis*; D006224:Cricetinae; D004261:DNA Replication / Q000187:drug effects; D006019:Glycolysis / Q000187:drug effects; D007202:Indicators and Reagents; D007893:Leishmania donovani / Q000187:drug effects / Q000254:growth & development* / Q000378:metabolism; D007898:Leishmaniasis, Visceral / Q000188:drug therapy*; D008647:Mesocricetus; D009942:Organometallic Compounds / Q000138:chemical synthesis* / Q000494:pharmacology / Q000627:therapeutic use; D014176:Protein Biosynthesis; D012313:RNA / Q000096:biosynthesis; D014508:Urea / Q000031:analogs & derivatives* / Q000138:chemical synthesis / Q000494:pharmacology / Q000627:therapeutic use
chemical_list: D000981:Antiprotozoal Agents; D007202:Indicators and Reagents; D009942:Organometallic Compounds; D012313:RNA; D014508:Urea; D000965:Antimony; C053921:urea stibamine