The present disclosure relates to te rt-butyl (S)-2-(4-(phenyl)-6H-thieno[3,2-f][l,2,4]triazolo[4,3-a] [l,4]diazepin-6-yl) acetate derivatives and related compounds as bromodomain BRD4 inhibitors for treating cancer. Exemplary compounds are e.g. tert-butyl (S)-2-(4-(4-(3-aminoprop-l-yn-l-yl)phenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][l,2,4]triazolo[4,3-a][l,4]diazepin-6-yl)acetate (example 1, compound la), tert-butyl(S,E)-2-(4-(4-(3-aminoprop-l-en-l-yl)phenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][l,2,4]triazolo[4,3-a][l,4]diazepin-6-yl)acetate (example 6, compound 6a) or tert-butyl(S)-2-(4-(4-(3-(hydroxyamino)prop-l-yn-l-yl)phenyl)-2,3,9-trimethyl-6H-thieno[3,2-f][l,2,4]triazolo[4,3-a] [l,4]diazepin-6-yl)acetate (example 8, compound 8a).Results of biological assays, such as e.g. BRD4 BD1 and BD2 binding (table 2), cell proliferation assays (table 6) and inhibition of MYC expression in MV-4-11 cells (table 7) are disclosed.
本公开涉及对叔丁基(S)-2-(4-(苯基)-6H-
噻吩[3,2-f][1,2,4]三唑并[4,3-a][1,4]二氮杂
蒽啉-6-基)
醋酸酯衍
生物及相关化合物作为治疗癌症的
溴结构域BR
D4抑制剂。示例化合物包括叔丁基(S)-2-(4-(4-(3-
氨基丙-1-炔-1-基)苯基)-2,3,9-三甲基-6H-
噻吩[3,2-f][1,2,4]三唑并[4,3-a][1,4]二氮杂
蒽啉-6-基)
醋酸酯(示例1,化合物la)、叔丁基(S,E)-2-(4-(4-(3-
氨基丙-1-烯-1-基)苯基)-2,3,9-三甲基-6H-
噻吩[3,2-f][1,2,4]三唑并[4,3-a][1,4]二氮杂
蒽啉-6-基)
醋酸酯(示例6,化合物6a)或叔丁基(S)-2-(4-(4-(3-(
羟胺基)丙-1-炔-1-基)苯基)-2,3,9-三甲基-6H-
噻吩[3,2-f][1,2,4]三唑并[4,3-a][1,4]二氮杂
蒽啉-6-基)
醋酸酯(示例8,化合物8a)。公开了
生物测定的结果,例如BR
D4 BD1和BD2结合(表2)、细胞增殖测定(表6)以及在MV-4-11细胞中MYC表达的抑制(表7)。