Cephem and penem compounds having a styrylmethylene moiety at the 3-position in the cephem or penem ring to which a positively charged leaving group is bonded and wherein the leaving group contains a vicinal diol or is bonded to a unsubstituted or substituted catechol. The leaving group can be a positively charge nitrogen leaving group. Cephems include cephalosporins, cephamycins, carbacephems, and oxacephems. Penems include penems, carbapenems and oxapenems. Preferred cephems are cephalosporins. Preferred penems are carbapenems. Compounds exhibit antibiotic activity against Gram-negative bacteria and/or Gram-positive bacteria. Compounds exhibit antibiotic activity against bacteria which exhibit multi-drug resistance. Compounds of the invention exhibit antibiotic activity against bacterial strains which produce extended spectrum beta-lactamases (ESBL), which produce AmpC beta-lactamases or which produce a carbapenemase. Pharmaceutical compositions comprising one or more cephems or penems or methods of treatment of bacterial infections with such compounds and compositions.
Discovery of a Novel Class of Exquisitely Selective Mesenchymal-Epithelial Transition Factor (c-MET) Protein Kinase Inhibitors and Identification of the Clinical Candidate 2-(4-(1-(Quinolin-6-ylmethyl)-1<i>H</i>-[1,2,3]triazolo[4,5-<i>b</i>]pyrazin-6-yl)-1<i>H</i>-pyrazol-1-yl)ethanol (PF-04217903) for the Treatment of Cancer
作者:J. Jean Cui、Michele McTigue、Mitchell Nambu、Michelle Tran-Dubé、Mason Pairish、Hong Shen、Lei Jia、Hengmiao Cheng、Jacqui Hoffman、Phuong Le、Mehran Jalaie、Gilles H. Goetz、Kevin Ryan、Neil Grodsky、Ya-li Deng、Max Parker、Sergei Timofeevski、Brion W. Murray、Shinji Yamazaki、Shirley Aguirre、Qiuhua Li、Helen Zou、James Christensen
DOI:10.1021/jm300967g
日期:2012.9.27
The cocrystal structure of the related oxindole hydrazide c-MET inhibitor 10 with a nonphosphorylated c-MET kinase domain revealed a unique binding mode associated with the exquisite selectivity profile. The chemically labile oxindole hydrazide scaffold was replaced with a chemically and metabolically stable triazolopyrazine scaffold using structurebased drug design. Medicinal chemistry lead optimization
c-MET受体酪氨酸激酶因其在人类肿瘤发生和肿瘤进展中的关键作用而成为有吸引力的肿瘤学靶标。在c-MET HTS运动期间发现了羟吲哚酰肼第6点,随后证明对多种其他激酶具有不同寻常的选择性。相关的羟吲哚酰肼c-MET抑制剂10与非磷酸化的c-MET激酶结构域的共晶体结构揭示了与精美的选择性谱相关的独特结合模式。使用基于结构的药物设计,将化学不稳定的羟吲哚酰肼支架替换为化学和代谢稳定的三唑并吡嗪支架。药物化学先导物优化产生的2-(4-(1-(喹啉-6-基甲基)-1 ħ-[1,2,3]三唑并[4,5 - b ]吡嗪-6-基)-1 H-吡唑-1-基)乙醇(2,PF-04217903),一种非常有效且选择性极强的c-MET抑制剂。图2证明了在c-MET依赖性肿瘤模型中具有良好的口服PK特性和在临床前研究中可接受的安全性,有效地抑制了肿瘤生长。2进入了I期肿瘤学环境的临床评估。
METHODS FOR TREATING BLOOD DISORDERS
申请人:Perrine P. Susan
公开号:US20080075692A1
公开(公告)日:2008-03-27
Methods of treating blood disorders are described.
描述了治疗血液疾病的方法。
Methods for Treating Blood Disorders
申请人:Phoenicia Biosciences, Inc.
公开号:US20140301975A1
公开(公告)日:2014-10-09
Methods of treating blood disorders are described.
描述了治疗血液疾病的方法。
Radiation-sensitive composition and pattern-formation method using the same
申请人:Hitachi, Ltd.
公开号:EP0070198A1
公开(公告)日:1983-01-19
A radiation-sensitive composition comprising (i) an iodine-containing azide compound at least a part of which can be fixed substantially in a polymer by exposure to radiation and a polymer, or (ii) an azide compound, and an iodine compound at least a part of which can be fixed substantially in a polymer by exposure to a radiation and a polymer; and a said polymer substantially having compatibility with the azide compound in case (i) or the azide compound and the iodine compound in case (ii). This composition can be subjected to dry development with oxygen plasma after the exposure followed by heating, or it can be developed with an aqueous alkaline solution if the polymer is soluble therein.
一种对辐射敏感的组合物,包括:(i) 含碘叠氮化合物,其中至少有一部分可通过辐射和聚合物的照射而基本固定在聚合物中,或 (ii) 叠氮化合物和碘化合物,其中至少有一部分可通过辐射和聚合物的照射而基本固定在聚合物中;以及所述聚合物与(i)情况下的叠氮化合物或(ii)情况下的叠氮化合物和碘化合物基本相容。这种组合物可以在曝光后用氧等离子体进行干显影,然后加热;如果聚合物可溶于碱性水溶液,也可以用碱性水溶液显影。