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    • 3. 发明申请
    • Monoimine ligand platinum analogs
    • 单配体铂类似物
    • US20070004697A1
    • 2007-01-04
    • US11340806
    • 2006-01-26
    • Frederick HausheerZejun XiaoHarry Kochat
    • Frederick HausheerZejun XiaoHarry Kochat
    • A61K31/555C07F15/00A61K31/282
    • C07F15/0093
    • Disclosed herein are novel platinum-based analogs with a single substituted imine ligand: R7RC═NR8, wherein the R7RC═NR8 functional group is covalently bonded to the platinum through nitrogen. The analogs also have nitrogen donor ligands capable of forming hydrogen bonds with the bases in DNA or RNA, and one or more leaving groups which can be displaced by water, hydroxide ions or other nucleophiles, which is thought to form active species in vivo, and then, form cross-linked complexes between nucleic acid strands, principally between purines in DNA (or RNA), i.e., at the Guanine or Adenine bases, thereof. These platinum analogs may also be more easily transported into tumor cells, due to their increased lipophilicity and are likely to be useful as anti-neoplastic agents, and in modulating or interfering with the synthesis or replication or transcription of DNA or translation or function of RNA in vitro or in vivo, as they are potentially capable of forming a platinum coordinate complex with a intact or nascent DNA or RNA and thereby interfering with cellular synthesis, transcription or replication of nucleic acid polynucleotides.
    • 本文公开了具有单取代亚胺配体的新型铂基类似物:R 7 RC-NR 8,其中R 7 R RC-NR 官能团通过氮共价键合到铂上。 类似物还具有能够与DNA或RNA中的碱形成氢键的氮供体配体,以及被认为在体内形成活性物质的水,氢氧根离子或其它亲核试剂置换的一个或多个离去基团,以及 然后,在核酸链之间形成交联的复合物,主要在DNA(或RNA)中的嘌呤之间,即在鸟嘌呤或腺嘌呤碱基上。 这些铂类似物也可以更容易地转运到肿瘤细胞中,这是因为它们的亲脂性增加并且可能被用作抗肿瘤剂,并且在调节或干扰DNA的合成或复制或转录或RNA的翻译或功能 在体外或体内,因为它们潜在地能够与完整或新生的DNA或RNA形成铂配位复合物,从而干扰核酸多核苷酸的细胞合成,转录或复制。
    • 4. 发明申请
    • Monoazole ligand platinum analogs
    • 单唑配体铂类似物
    • US20070004696A1
    • 2007-01-04
    • US11340805
    • 2006-01-26
    • Zejun XiaoHarry KochatFrederick Hausheer
    • Zejun XiaoHarry KochatFrederick Hausheer
    • C07F15/00A61K31/555
    • C07F15/0093
    • Disclosed herein are novel platinum-based analogs with a single substituted azole ligand: RN═NR7, wherein the RN═NR7 functional group is covalently bonded to the platinum through nitrogen of NR7. The analogs also have nitrogen donor ligands capable of forming hydrogen bonds with the bases in DNA or RNA, and one or more leaving groups which can be displaced by water, hydroxide ions or other nucleophiles, which is thought to form active species in vivo, and then, form cross-linked complexes between nucleic acid strands, principally between purines in DNA (or RNA), i.e., at the Guanine or Adenine bases, thereof. These platinum analogs may also be more easily transported into tumor cells, due to their increased lipophilicity and are likely to be useful as anti-neoplastic agents, and in modulating or interfering with the synthesis or replication or transcription of DNA or translation or function of RNA in vitro or in vivo, as they are potentially capable of forming a platinum coordinate complex with an intact or nascent DNA or RNA and thereby interfering with cellular synthesis, transcription or replication of nucleic acid polynucleotides.
    • 本文公开了具有单取代的唑配体的新型铂基类似物:RN-NR 7,其中RN-NR 7官能团通过氮共价键合到铂上 的NR 7。 类似物还具有能够与DNA或RNA中的碱形成氢键的氮供体配体,以及被认为在体内形成活性物质的水,氢氧根离子或其它亲核试剂置换的一个或多个离去基团,以及 然后,在核酸链之间形成交联的复合物,主要在DNA(或RNA)中的嘌呤之间,即在鸟嘌呤或腺嘌呤碱基上。 这些铂类似物也可以更容易地转运到肿瘤细胞中,这是因为它们的亲脂性增加并且可能被用作抗肿瘤剂,并且在调节或干扰DNA的合成或复制或转录或RNA的翻译或功能 在体外或体内,因为它们潜在地能够与完整或新生的DNA或RNA形成铂配位复合物,从而干扰核酸多核苷酸的细胞合成,转录或复制。