2-ethyl-5-hydroxy-4-pyrone | 64964-95-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡喃
• 英文名称: 2-ethyl-5-hydroxy-4-pyrone
• 英文别名: kojic acid；2-ethyl-5-hydroxy-pyran-4-one；2-Ethyl-5-hydroxy-4-pyron；2-Ethyl-5-hydroxypyran-4-one
• CAS: 64964-95-0
• 化学式: C₇H₈O₃
• 分子量: 140.139
• InChiKey: KOWMEGMDCPNKER-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  46.5
• 氢给体数：
  1
• 氢受体数：
  3

反应信息

• 作为产物：
  描述：

  2-ethyl-5-methoxy-4-pyrone 在 氢溴酸 作用下， 反应 2.0h， 以25%的产率得到2-ethyl-5-hydroxy-4-pyrone
  参考文献：
  名称：

  Arnarp, Jan; Bielawski, Jacek; Dahlin, Britt-Marie, Acta Chemica Scandinavica, 1990, vol. 44, # 7, p. 916 - 926

  摘要：

  DOI：

文献信息

• TETRACYCLIC HETEROCYCLE COMPOUNDS USEFUL AS HIV INTEGRASE INHIBITORS
  申请人：MERCK SHARP & DOHME CORP.

  公开号：US20180155365A1

  公开（公告）日：2018-06-07

  The present invention relates to Tetracyclic Heterocycle Compounds of Formula (I). and pharmaceutically acceptable salts or prodrug thereof, wherein A, X, R 1 , R 2 , R 3 and R 7 are as defined herein. The present invention also relates to compositions comprising at least one Tetracyclic Heterocycle Compound, and methods of using the Tetracyclic Heterocycle Compounds for treating or preventing HIV infection in a subject.

  本发明涉及式(I)的四环杂环化合物及其药学上可接受的盐或前药，其中A、X、R1、R2、R3和R7如本文所定义。本发明还涉及包含至少一种四环杂环化合物的组合物，以及使用四环杂环化合物治疗或预防主体中的HIV感染的方法。
• [EN] PROCESS FOR THE SYNTHESIS OF FUNICONE ANALOGUES<br/>[FR] PROCÉDÉ POUR LA SYNTHÈSE D'ANALOGUES DE FUNICONE
  申请人：CONSIGLIO NAZIONALE RICERCHE

  公开号：WO2012042482A1

  公开（公告）日：2012-04-05

  The present invention relates to the synthesis of analogous compounds of funicone, some of which are not found in nature, which comprises the preparation of compounds having general formula (III) and (IV) and the subsequent coupling reaction of said compounds in dimethylformamide by means of carbon monoxide in the presence of palladium allyl chloride dimer, to obtain compounds having formula (V) (scheme 2).

  本发明涉及富尼康类似化合物的合成，其中一些化合物在自然界中找不到，包括制备具有一般式（III）和（IV）的化合物，然后在二甲基甲酰胺中通过一氧化碳在钯丙烯氯化二聚体存在下进行偶联反应，以获得具有式（V）的化合物（方案2）。
• NOVEL COMPOUNDS AND METHODS OF TREATING CELL PROLIFERATIVE DISEASES, RETINOPATHIES AND ARTHRITIS
  申请人：LEBLOND Bertrand

  公开号：US20090216014A1

  公开（公告）日：2009-08-27

  The present invention relates to compounds and their uses, particularly in the pharmaceutical industry. The invention discloses compounds having anti-proliferative and antiangiogenic activities, as well as methods for treating various diseases associated with abnormal cell proliferation, including cancer, or associated with unregulated angiogenesis including growth and metastasis of solid tumors, ocular diseases and especially retinopathies, or arthritis, by administering said compounds. It further deals with pharmaceutical compositions comprising said compounds, more particularly useful to treat cancers (such as leukemia), ocular diseases and arthritis.

  本发明涉及化合物及其用途，尤其是在制药业中的应用。该发明揭示了具有抗增殖和抗血管生成活性的化合物，以及通过给予该化合物治疗与异常细胞增殖有关的各种疾病的方法，包括癌症，或与不受调节的血管生成有关的疾病，包括实体肿瘤的生长和转移，眼部疾病，尤其是视网膜病变或关节炎。它还涉及包含该化合物的制药组合物，特别是用于治疗癌症（如白血病）、眼部疾病和关节炎。
• NOVEL HETEROCYCLIC COMPOUND OR SALT THEREOF AND INTERMEDIATE THEREOF
  申请人：KIYOTO Taro

  公开号：US20120226035A1

  公开（公告）日：2012-09-06

  Disclosed is a compound represented by the general formula: wherein R 1 represents an aryl or heterocyclic group which may be substituted or the like; X 1 represents a C 2 -C 4 alkylene group or the like; X 2 , X 3 and X 5 independently represent NH, a bond or the like; X 4 represents a lower alkylene group, a bond or the like; Y 1 represents a bivalent alicyclic hydrocarbon residue which may be substituted or a bivalent alicyclic amine residue which may be substituted; and Z 1 , Z 2 , Z 3 , Z 4 , Z 5 and Z 6 independently represent a nitrogen atom, a group represented by the formula: CH, or the like, provided that at least one of Z 3 , Z 4 , Z 5 and Z 6 represents a nitrogen atom, or a salt thereof, which is useful as an antibacterial agent.

  本发明公开了一种化合物，其通式表示为：其中R1表示取代的芳基或杂环基等；X1表示C2-C4烷基或类似基团；X2、X3和X5独立地表示NH、键或类似基团；X4表示低级烷基基团、键或类似基团；Y1表示可以取代的二价脂环烃残基或可以取代的二价脂环胺残基；Z1、Z2、Z3、Z4、Z5和Z6独立地表示氮原子、由公式CH表示的基团或类似基团，其中至少有一个Z3、Z4、Z5和Z6表示氮原子，或其盐，其作为抗菌剂有用。
• ANTIVIRAL AGENT
  申请人：SHIONOGI & CO., LTD.

  公开号：US20150202208A1

  公开（公告）日：2015-07-23

  The present invention provides an integrase inhibitor. The inventors have found the following compound of formula (I) possessing an integrase inhibitory activity. (wherein, R C and R D taken together with the neighboring carbon atoms form a ring which may be a condensed ring, Y is hydroxyl, mercapto or amino; Z is O, S or NH; R A is a group shown by (wherein, C ring is N-containing aromatic heterocycle) or the like).

  本发明提供了一种整合酶抑制剂。发明人发现以下式(I)的化合物具有整合酶抑制活性。（其中，RC和RD与相邻的碳原子一起形成一个环，该环可以是一个缩合环，Y是羟基，巯基或氨基; Z是O，S或NH; RA是由（其中，C环是含N的芳香杂环）或类似物所示的基团）。