5-phenyl-1,2,4-oxadiazole-3-carbohydroxamic acid | 1383581-74-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 唑类
• 英文名称: 5-phenyl-1,2,4-oxadiazole-3-carbohydroxamic acid
• 英文别名: N-hydroxy-5-phenyl-1,2,4-oxadiazole-3-carboxamide
• CAS: 1383581-74-5
• 化学式: C₉H₇N₃O₃
• 分子量: 205.173
• InChiKey: BVDIIJNIFXOYPB-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  15
• 可旋转键数：
  2
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  88.2
• 氢给体数：
  2
• 氢受体数：
  5

反应信息

• 作为产物：
  描述：

  苯甲酸 在 N-甲基吗啉 、 氯化亚砜 、 氯甲酸乙酯 、 三乙胺 、 lithium hydroxide 作用下， 以 四氢呋喃 、 二氯甲烷 、 水 、 N,N-二甲基甲酰胺 为溶剂， 反应 14.67h， 生成 5-phenyl-1,2,4-oxadiazole-3-carbohydroxamic acid
  参考文献：
  名称：

  Synthesis and Biological Investigation of Oxazole Hydroxamates as Highly Selective Histone Deacetylase 6 (HDAC6) Inhibitors

  摘要：

  Histone deacetylase 6 (HDAC6) catalyzes the removal of an acetyl group from lysine residues of several nonhistone proteins. Here we report the preparation of thiazole-, oxazole-, and oxadiazole-containing biarylhydroxamic acids by a short synthetic procedure. We identified them as selective HDAC6 inhibitors by investigating the inhibition of B recombinant HDAC enzymes and the protein acetylation in cells by Western blotting (tubulin vs histone acetylation). The most active compounds exhibited nanomolar potency and high selectivity for HDAC6. For example, an oxazole hydroxamate inhibits HDAC6 with an IC50 of 59 nM and has a selectivity index of >200 against HDAC1 and HDAC8. This is the first report showing that the nature of a heterocycle directly connected to a zinc binding group (ZBG) can be used to modulate subtype selectivity and potency for HDAC6 inhibitors to such an extent. We rationalize the high potency and selectivity of the oxazoles by molecular modeling and docking.

  DOI：

  10.1021/acs.jmedchem.5b01493

文献信息

• Hydroxamic Acids as Potent Inhibitors of Fe^IIand Mn^II<i>E. coli</i>Methionine Aminopeptidase: Biological Activities and X-ray Structures of Oxazole Hydroxamate-<i>Ec</i>MetAP-Mn Complexes
  作者：Florian Huguet、Armelle Melet、Rodolphe Alves de Sousa、Aurélie Lieutaud、Jacqueline Chevalier、Laure Maigre、Patrick Deschamps、Alain Tomas、Nicolas Leulliot、Jean-Marie Pages、Isabelle Artaud

  DOI：10.1002/cmdc.201200076

  日期：2012.6

  and selective inhibitors of the CoII MetAP form, with IC50 values in the micromolar range, whereas 5‐aryloxazol‐2‐ylcarboxylic acid regioisomers and 5‐aryl‐1,2,4‐oxadiazol‐3‐ylcarboxylic acids were shown to be inefficient against all forms of EcMetAP. Regardless of the heterocycle, all the hydroxamic acids are highly potent inhibitors and are selective for the MnII and FeII forms, with IC50 values between

  合成了与五元杂环（包括呋喃，恶唑，1,2,4或1,3,4-恶二唑和咪唑）连接的新系列酸和异羟肟酸，并测试了它们对Fe II，Co II和Fe的抑制剂。Mn II形式的大肠杆菌蛋氨酸氨肽酶（MetAP），并且是针对野生型和acrAB大肠杆菌菌株的抗菌剂。2-芳基恶唑-4-基羧酸似乎是Co II MetAP形式的有效抑制剂和选择性抑制剂，IC 50值在微摩尔范围内，而5-芳基恶唑-2-基羧酸区域异构体和5-芳基1,2,4恶二唑-3-基羧酸对所有形式的Ec均无效MetAP。无论杂环的，所有的异羟肟酸是高度有效的抑制剂和有选择性的锰II和Fe II的形式，用IC 50个1和2之间的值μ中号。我们之前报道过的一种吲哚异羟肟酸是大肠杆菌肽去甲酰基酶的有效抑制剂，也证明了它对Ec MetAP的有效性。为了深入了解在2和5位上具有反向取代的恶唑杂环的位置，Ec的X射线晶体结构解决了与两种此类恶唑异羟肟酸复合的MetAP-Mn。不管[金属]
• Synthesis and Biological Investigation of Oxazole Hydroxamates as Highly Selective Histone Deacetylase 6 (HDAC6) Inhibitors
  作者：Johanna Senger、Jelena Melesina、Martin Marek、Christophe Romier、Ina Oehme、Olaf Witt、Wolfgang Sippl、Manfred Jung

  DOI：10.1021/acs.jmedchem.5b01493

  日期：2016.2.25

  Histone deacetylase 6 (HDAC6) catalyzes the removal of an acetyl group from lysine residues of several nonhistone proteins. Here we report the preparation of thiazole-, oxazole-, and oxadiazole-containing biarylhydroxamic acids by a short synthetic procedure. We identified them as selective HDAC6 inhibitors by investigating the inhibition of B recombinant HDAC enzymes and the protein acetylation in cells by Western blotting (tubulin vs histone acetylation). The most active compounds exhibited nanomolar potency and high selectivity for HDAC6. For example, an oxazole hydroxamate inhibits HDAC6 with an IC50 of 59 nM and has a selectivity index of >200 against HDAC1 and HDAC8. This is the first report showing that the nature of a heterocycle directly connected to a zinc binding group (ZBG) can be used to modulate subtype selectivity and potency for HDAC6 inhibitors to such an extent. We rationalize the high potency and selectivity of the oxazoles by molecular modeling and docking.