Hexahydroimidazo-pyrimidines, a new class of alkaloids from Alchornea javanensis

Hexahydroimidazo-pyrimidines, a new class of alkaloids from Alchornea javanensis Hexahydroimidazo-pyrimidines, a new class of alkaloids from Alchornea javanensis Alkaloids of Alchornea javanensis (Euphorbiaceae): The isolation of Hexahydroimidazo[1,2-a]pyrimidines and guanidines Alchornéine, isoalchornéine et alchornéinone, produits isolés de l'Alchornea floribunda Muell. Arg. Nouveaux Alcaloïdes Indoliziniques Isolés de Ipomea alba Structure of ipomine, a new alkaloid from Ipomoea muricata jacq Alkaloids from <i>Alangium </i><i>j</i><i>avanicum </i>and <i>Alangium </i><i>g</i><i>risolleoides </i>that Mediate Cu²⁺-Dependent DNA Strand Scission Alkaloids from <i>Alangium </i><i>j</i><i>avanicum </i>and <i>Alangium </i><i>g</i><i>risolleoides </i>that Mediate Cu²⁺-Dependent DNA Strand Scission Wrightiamines A and B, Two New Cytotoxic Pregnane Alkaloids from Wrightia javanica Wrightiamines A and B, Two New Cytotoxic Pregnane Alkaloids from Wrightia javanica