2-methyl-6-nitro-L-phenylalanine hydrochloride | 1290617-58-1

• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 英文名称: 2-methyl-6-nitro-L-phenylalanine hydrochloride
• 英文别名: 2-Methyl-6-nitrophenylalanine hydrochloride；(2S)-2-amino-3-(2-methyl-6-nitrophenyl)propanoic acid;hydrochloride
• CAS: 1290617-58-1
• 化学式: C₁₀H₁₂N₂O₄*ClH
• 分子量: 260.677
• InChiKey: VDBDHCMCSYMOQW-QRPNPIFTSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.28
• 重原子数：
  17
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.3
• 拓扑面积：
  109
• 氢给体数：
  3
• 氢受体数：
  5

反应信息

• 作为反应物：
  描述：

  2-methyl-6-nitro-L-phenylalanine hydrochloride 在 盐酸 、 sodium acetate 、 tin(ll) chloride 作用下， 以 四氢呋喃 、 甲醇 、 乙醚 、 水 为溶剂， 生成 (3S)-3-amino-1-hydroxy-5-methyl-3,4-dihydroquinolin-2(1H)-one
  参考文献：
  名称：

  通过部分硝基还原反应合成环状N-芳基异羟肟酸的一般策略

  摘要：

  我们描述了一种通过选择性还原取代的2-硝基苯丙氨酸底物来立体控制取代的环异羟肟酸（3-氨基-1-羟基-3,4-二氢喹啉酮）的一般化方法。该系列化合物具有抗菌特性，最近还被报道为KAT II抑制剂。通过相转移催化的相应硝基苄基溴的烷基化，以优异的产率对映选择性地制备关键的硝基苯基丙氨酸中间体。已经研究了还原环化转化的范围和局限性，并注意了取代方式和电子学对反应效率和副产物形成的影响。此外，

  DOI：

  10.1021/jo200530j
• 作为产物：
  描述：

  tert-butyl N-(diphenylmethylidene)-2-methyl-6-nitro-L-phenylalaninate 在 三氟乙酸 、 盐酸 作用下， 以 二氯甲烷 为溶剂， 反应 18.0h， 以99%的产率得到2-methyl-6-nitro-L-phenylalanine hydrochloride
  参考文献：
  名称：

  通过部分硝基还原反应合成环状N-芳基异羟肟酸的一般策略

  摘要：

  我们描述了一种通过选择性还原取代的2-硝基苯丙氨酸底物来立体控制取代的环异羟肟酸（3-氨基-1-羟基-3,4-二氢喹啉酮）的一般化方法。该系列化合物具有抗菌特性，最近还被报道为KAT II抑制剂。通过相转移催化的相应硝基苄基溴的烷基化，以优异的产率对映选择性地制备关键的硝基苯基丙氨酸中间体。已经研究了还原环化转化的范围和局限性，并注意了取代方式和电子学对反应效率和副产物形成的影响。此外，

  DOI：

  10.1021/jo200530j

文献信息

• [EN] TETRAHYDROQUINOLONES AND AZA-ANALOGUES THEREOF FOR USE AS DPP-IV INHIBITORS IN THE TREATEMENT OF DIABETES<br/>[FR] TETRAHYDROQUINOLONES ET AZA-ANALOGUES ASSOCIES UTILISES EN TANT QU'INHIBITEURS DE LA DPP-IV DANS LE TRAITEMENT DU DIABETE
  申请人：ASTRAZENECA AB

  公开号：WO2005123685A1

  公开（公告）日：2005-12-29

  Compound of formula (I) or a pharmaceutically-acceptable salt thereof, formula (I) wherein Ar is optionally substituted phenyl; R1 is selected from: formula a) or b) (wherein is a single or double bond); R5, R6, R7 and R8 are for example hydrogen or alkyl; R4 is selected from hydrogen, (3-4C)cycloalkyl and optionally substituted (1-4C)alkyl; R10 is for example selected from hydrogen, (1-4C)alkyl, (3-6C)cycloalkyl(1-4C)alkyl, hydroxy(1-4C)alkyl, (1-4C)alkoxy, aryl(1-4C)alkyl; Y is carbon and Ring A is optionally substituted phenylene; or each Y may independently be carbon or nitrogen and Ring A is optionally substituted 5- or 6-membered, heteroarylene ring; R11 is selected from hydrogen and optionally substituted phenyl; p is independently at each occurrence 0, 1 or 2; are described. Processes for making such compounds and their use as DPP-IV inhibitors in the treatment of diabetes are also described.

  化合物的化学式（I）或其药用可接受的盐，其中化学式（I）中Ar是可选择的取代苯基；R1选自：化学式a）或b）（其中是单键或双键）；R5、R6、R7和R8例如是氢或烷基；R4选自氢、（3-4C）环烷基和可选择的取代（1-4C）烷基；R10例如选自氢、（1-4C）烷基、（3-6C）环烷基（1-4C）烷基、羟基（1-4C）烷基、（1-4C）烷氧基、芳基（1-4C）烷基；Y是碳，环A是可选择的取代苯基；或每个Y可以独立地是碳或氮，环A是可选择的取代的5-或6-成员的杂芳烃环；R11选自氢和可选择的取代苯基；p在每次出现时独立地为0、1或2；描述了制备这类化合物的过程以及它们作为DPP-IV抑制剂在糖尿病治疗中的用途。
• A General Strategy for the Synthesis of Cyclic <i>N</i>-Aryl Hydroxamic Acids via Partial Nitro Group Reduction
  作者：Laura A. McAllister、Bruce M. Bechle、Amy B. Dounay、Edelweiss Evrard、Xinmin Gan、Somraj Ghosh、Ji-Young Kim、Vinod D. Parikh、Jamison B. Tuttle、Patrick R. Verhoest

  DOI：10.1021/jo200530j

  日期：2011.5.6

  We describe a generalized approach to stereocontrolled synthesis of substituted cyclic hydroxamic acids (3-amino-1-hydroxy-3,4-dihydroquinolinones) by selective reduction of substituted 2-nitrophenylalanine substrates. Compounds in this series have antibacterial properties and have also recently been reported as KAT II inhibitors. The key nitrophenyl alanine intermediates are prepared enantioselectively

  我们描述了一种通过选择性还原取代的2-硝基苯丙氨酸底物来立体控制取代的环异羟肟酸（3-氨基-1-羟基-3,4-二氢喹啉酮）的一般化方法。该系列化合物具有抗菌特性，最近还被报道为KAT II抑制剂。通过相转移催化的相应硝基苄基溴的烷基化，以优异的产率对映选择性地制备关键的硝基苯基丙氨酸中间体。已经研究了还原环化转化的范围和局限性，并注意了取代方式和电子学对反应效率和副产物形成的影响。此外，
• Tetrahydroquinolones and Aza-Analogues Thereof for Use as Dpp-IV Inhibitors in the Treatment of Diabetes
  申请人：Birch Martin Alan

  公开号：US20080009512A1

  公开（公告）日：2008-01-10

  Compound of formula (I) or a pharmaceutically-acceptable salt thereof, formula (I) wherein Ar is optionally substituted phenyl; R 1 is selected from: formula a) or b) (wherein is a single or double bond); R 5 , R 6 , R 7 and R 8 are for or alkyl; R 4 is selected from hydrogen, (3-4C)cycloalkyl and optionally substituted (1-4C)alkyl; R 10 is for example selected from hydrogen, (1-4C)alkyl, (3-6C)cycloalkyl(1-4C)alkyl, hydroxy(1-4C)alkyl, (1-4C)alkoxy, aryl(1-4C)alkyl; Y is carbon and Ring A is optionally substituted phenylene; or each Y may independently be carbon or nitrogen and Ring A is optionally substituted 5- or 6-membered, heteroarylene ring; R 11 is selected from hydrogen and optionally substituted phenyl; p is independently at each occurrence 0, 1 or 2; are described. Processes for making such compounds and their use as DPP-IV inhibitors in the treatment of diabetes are also described.

  化合物的公式（I）或其药学上可接受的盐，公式（I）中 Ar 是可选的取代苯基；R1 选自：公式 a）或 b）（其中是单键或双键）；R5、R6、R7 和 R8 是氢或烷基；R4 选自氢、（3-4C）环烷基和可选取代的（1-4C）烷基；R10 例如选自氢、（1-4C）烷基、（3-6C）环烷基（1-4C）烷基、羟基（1-4C）烷基、（1-4C）烷氧基、芳基（1-4C）烷基；Y 是碳且环A是可选的取代苯基；或每个Y可以独立地是碳或氮，环A是可选的取代5-或6-成员的杂环芳烃环；R11选自氢和可选取代的苯基；p 在每次出现时独立地为0、1或2。描述了制备这种化合物的过程以及它们作为DPP-IV抑制剂在糖尿病治疗中的用途。
• TETRAHYDROQUINOLONES AND AZA-ANALOGUES THEREOF FOR USE AS DPP-IV INHIBITORS IN THE TREATEMENT OF DIABETES
  申请人：AstraZeneca AB

  公开号：EP1758863A1

  公开（公告）日：2007-03-07
• Discovery of Brain-Penetrant, Irreversible Kynurenine Aminotransferase II Inhibitors for Schizophrenia
  作者：Amy B. Dounay、Marie Anderson、Bruce M. Bechle、Brian M. Campbell、Michelle M. Claffey、Artem Evdokimov、Edelweiss Evrard、Kari R. Fonseca、Xinmin Gan、Somraj Ghosh、Matthew M. Hayward、Weldon Horner、Ji-Young Kim、Laura A. McAllister、Jayvardhan Pandit、Vanessa Paradis、Vinod D. Parikh、Matthew R. Reese、SuoBao Rong、Michelle A. Salafia、Katherine Schuyten、Christine A. Strick、Jamison B. Tuttle、James Valentine、Hong Wang、Laura E. Zawadzke、Patrick R. Verhoest

  DOI：10.1021/ml200204m

  日期：2012.3.8

  Kynurenine aminotransferase (KAT) 11 has been identified as a potential new target for the treatment of cognitive impairment associated with schizophrenia and other psychiatric disorders. Following a high-throughput screen, cyclic hydroxamic acid PF-04859989 was identified as a potent and selective inhibitor of human and rat KAT H. An X-ray crystal structure and C-13 NMR studies of PF-04859989 bound to KAT H have demonstrated that this compound forms a covalent adduct with the enzyme cofactor, pyridoxal phosphate (PLP), in the active site. In vivo pharmacokinetic and efficacy studies in rat show that PF-04859989 is a brain-penetrant, irreversible inhibitor and is capable of reducing brain kynurenic acid by 50% at a dose of 10 mg/kg (sc). Preliminary structure-activity relationship investigations have been completed and have identified the positions on this scaffold best suited to modification for further optimization of this novel series of KAT II inhibitors.