Substituted 2-phenylbenzazole compounds of formula (I) wherein X represents S or O and Q represents a direct bond, —CH2— or —CH═Ch—, exhibt selective antiproliferactive activity in respect of mammalian tumour cells. At least in preferred enbodiments the benzene ring of the benzazole nucleus has a halogen substituent, preferably flourine, and the 2-phenyl group has a 4′-amino substituent which may be conjugated with an amino acid to provide a water soluble amino acid amide prodrug or salt thereof.
公式(I)中X代表S或O,Q代表直接键,—
CH2—或—CH═CH—的2-苯基苯并唑化合物表现出对哺乳动物肿瘤细胞的选择性抗增殖活性。在至少首选实施例中,苯并唑核的苯环具有卤素取代基,优选是
氟,并且2-苯基团具有4'-
氨基取代基,可能与
氨基酸共轭以提供
水溶性
氨基酸酰胺前药或其盐。