title: Cytotoxicity of new pyrazino[1,2-b]isoquinoline and 6,15-iminoisoquino[3,2-b]3-benzazocine compounds.
abstract: Looking for optimised analogues of compound 2 that might be useful in colon cancer therapy, we here explore the in vitro cytotoxicity against MDA-MB 231 human breast carcinoma, A-549 human lung carcinoma and HT-29 human colon carcinoma cell lines of several analogues and derivatives. The effect of the R2-substituent and/or the introduction of an arylmethyl side-chain at C-3, as well as the presence of a double bond in the skeleton or a methoxy group at C-1 have been investigated. New 6,15-iminoisoquino[3,2-b]3-benzazocine compounds, related to the saframycin family, in which the C(7)-N(8)-C(9)-substructure contains a lactam function, a fused oxazolidine or an aminonitrile function were also studied, and many of them showed low micromolar GI50 values.
authors: Departamento de Química Orgánica y Farmacéutica, Facultad de Farmacia, Universidad Complutense, Plaza Ramón y Cajal s/n, 28040 Madrid, Spain.
authors: Irene
authors: I
authors: Ortín
authors: Juan Francisco
authors: JF
authors: González
authors: Elena
authors: E
authors: de la Cuesta
authors: Carmen
authors: C
authors: Avendaño
mesh_terms: D000970:Antineoplastic Agents / Q000138:chemical synthesis / Q000737:chemistry* / Q000633:toxicity; D001392:Azocines / Q000138:chemical synthesis / Q000737:chemistry* / Q000633:toxicity; D045744:Cell Line, Tumor; D006801:Humans; D007546:Isoquinolines / Q000138:chemical synthesis / Q000737:chemistry* / Q000633:toxicity; D011719:Pyrazines / Q000138:chemical synthesis / Q000737:chemistry* / Q000633:toxicity; D013329:Structure-Activity Relationship
chemical_list: D000970:Antineoplastic Agents; D001392:Azocines; D007546:Isoquinolines; D011719:Pyrazines; C039109:isoquinoline