2,3-二甲基-4H-吡喃-4-酮 | 73761-48-5

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡喃
• 中文名称: 2,3-二甲基-4H-吡喃-4-酮
• 中文别名: 4-(1-乙基-1,2,5,6-四氢吡啶-3-基)-1H-吲哚磷酸酯
• 英文名称: 2,3-dimethyl-4-pyrone
• 英文别名: 2,3-Dimethyl-4h-pyran-4-one；2,3-dimethylpyran-4-one
• CAS: 73761-48-5
• 化学式: C₇H₈O₂
• 分子量: 124.139
• InChiKey: XXMXPYZVEFTXCQ-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  0.9
• 重原子数：
  9
• 可旋转键数：
  0
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.29
• 拓扑面积：
  26.3
• 氢给体数：
  0
• 氢受体数：
  2

反应信息

• 作为反应物：
  描述：

  2,3-二甲基-4H-吡喃-4-酮 在 硫酸 作用下， 生成 2,3-dimethyl-4-hydroxypyrylium cation
  参考文献：
  名称：

  Photoisomerization of 4-hydroxypyrylium cations in concentrated sulfuric acid

  摘要：

  DOI：

  10.1021/jo00197a040
• 作为产物：
  描述：

  5,6-二甲基-4-氧代-吡喃-2-羧酸酯 在 铜 作用下， 240.0 ℃ 、101.32 kPa 条件下， 以53%的产率得到2,3-二甲基-4H-吡喃-4-酮
  参考文献：
  名称：

  Photoisomerization of 4-hydroxypyrylium cations in concentrated sulfuric acid

  摘要：

  DOI：

  10.1021/jo00197a040

文献信息

• [EN] METAL-FREE DIRECT ARYLATION OF DIALKYL PHOSPHONATES FOR THE SYNTHESIS OF MIXED ALKYL ARYL PHOSPHONATES<br/>[FR] ARYLATION DIRECTE SANS MÉTAL DE PHOSPHONATES DE DIALKYLE POUR LA SYNTHÈSE DE PHOSPHONATES D'ARYLE ALKYLE MIXTES
  申请人：THE BOARD OF REGENTS OF THE NEVADA SYSTEM OF HIGHER EDUCATION ON BEHALF OF THE UNIV OF NEVADA LAS VE

  公开号：WO2019028391A1

  公开（公告）日：2019-02-07

  Provided herein are phosphates, thiophosphates, phosphonates, and phosphinates, methods of making same, and methods of using these compounds and methods for the generation of pharmaceutically relevant phosphate, phosphonate, and phosphinate analogs. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

  本文提供了磷酸盐、硫代磷酸盐、膦酸盐和膦酸盐，以及制备这些化合物的方法，以及使用这些化合物和用于生成与药用相关的磷酸盐、膦酸盐和膦酸盐类似物的方法。此摘要旨在作为搜索特定领域的扫描工具，并不限制本发明。
• Aryl nitrile compounds and compositions and their uses in treating inflammatory and related disorders
  申请人：Bergeron Philippe

  公开号：US20070015773A1

  公开（公告）日：2007-01-18

  Compounds, compositions and methods that are useful in the treatment of inflammatory and immune conditions and diseases are provided herein. In particular, the invention provides aryl nitrile compounds which modulate the expression and/or function of a chemokine receptor. The subject methods are useful for the treatment of inflammatory and immunoregulatory disorders and diseases, such as multiple sclerosis, rheumatoid arthritis, type I diabetes, asthma, psoriasis and inflammatory bowel disease.

  本文提供了在治疗炎症和免疫相关疾病中有用的化合物、组合物和方法。具体来说，本发明提供了可以调节趋化因子受体的表达和/或功能的芳基腈化合物。这些方法适用于治疗炎症和免疫调节性疾病，例如多发性硬化症、类风湿性关节炎、1型糖尿病、哮喘、牛皮癣和炎症性肠病。
• CHELATORS, PARAMAGNETIC CHELATES THEREOF AND THEIR USE AS CONTRAST AGENTS IN MAGNETIC RESONANCE IMAGING (MRI)
  申请人：Wadsworth Harry John

  公开号：US20110200536A1

  公开（公告）日：2011-08-18

  The present invention relates to chelators, in particular to chelators which are capable of forming complexes, i.e. paramagnetic chelates, with paramagnetic metal ions. The invention also relates to said paramagnetic chelates, said paramagnetic chelates linked to other molecules and their use as contrast agents in magnetic resonance imaging (MRI).

  本发明涉及螯合剂，特别是能够与顺磁性金属离子形成复合物，即顺磁性螯合物的螯合剂。本发明还涉及所述顺磁性螯合物、与其他分子相连的所述顺磁性螯合物及其作为磁共振成像（MRI）对比剂的用途。
• CHELATROS, PARAMAGNETIC CHELATES THEREOF AND THEIR USE AS CONTRAST AGENTS IN MAGNETIC RESONANCE IMAGING (MRI)
  申请人：Axelsson Oskar

  公开号：US20110110865A1

  公开（公告）日：2011-05-12

  The present invention relates to chelators, in particular to chelators which are capable of forming complexes, i.e. paramagnetic chelates, with paramagnetic metal ions. The invention also relates to said paramagnetic chelates, said paramagnetic chelates linked to other molecules and their use as contrast agents in magnetic resonance imaging (MRI).

  本发明涉及螯合剂，特别是能够与顺磁性金属离子形成复合物，即顺磁螯合物的螯合剂。本发明还涉及所述顺磁螯合物，所述顺磁螯合物连接到其他分子以及它们作为磁共振成像（MRI）对比剂的用途。
• A late-stage functionalization tool: sulfonyl fluoride mediated deoxymethylation of phenols
  作者：Guofu Zhang、Chenfei Guan、Linjun Han、Yiyong Zhao、Chengrong Ding

  DOI：10.1039/d2ob01523d

  日期：——

  An efficient and rapid phenol deoxymethylation strategy without purification during the reaction is reported. This protocol has tolerance for a wide range of functional groups and high yields making it successful for application in LSF.

  报道了一种高效快速的苯酚去甲基化策略，在反应期间无需纯化。该方案对于广泛的官能团具有容忍度，并且收率高，因此在LFS应用中取得成功。