4-氟苄脲 | 76523-24-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 中文名称: 4-氟苄脲
• 中文别名: 4-氟苄基脲
• 英文名称: 1-(4-fluorophenyl)methylurea
• 英文别名: (4-fluorophenyl)methylurea；1-(4-fluorobenzyl)urea；4-Fluorobenzylurea
• CAS: 76523-24-5
• 化学式: C₈H₉FN₂O
• mdl: MFCD00085086
• 分子量: 168.171
• InChiKey: ISIFPVOJHJASJW-UHFFFAOYSA-N

物化性质

• 熔点：
  172-175°C
• 沸点：
  288.9±32.0 °C(Predicted)
• 密度：
  1.235±0.06 g/cm3(Predicted)
• 稳定性/保质期：

  远离氧化物。

计算性质

• 辛醇/水分配系数(LogP)：
  0.8
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.125
• 拓扑面积：
  55.1
• 氢给体数：
  2
• 氢受体数：
  2

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 海关编码：
  2924299090

反应信息

• 作为反应物：
  描述：

  4-氟苄脲 在 sodium methylate 、 potassium carbonate 作用下， 以 甲醇 、 N,N-二甲基甲酰胺 为溶剂， 反应 55.5h， 生成 3-(4-fluorobenzyl)-1-(4-methoxybenzyl)-6-(methylthio)-1,3,5-triazine-2,4(1H,3H)-dione
  参考文献：
  名称：

  A new convenient synthetic method and preliminary pharmacological characterization of triazinediones as prokineticin receptor antagonists

  摘要：

  A new efficient synthetic method to obtain prokineticin receptor antagonists based on the triazinedione scaffold is described. In this procedure the overall yield improves from 13% to about 54%, essentially for two factors: 1) N-(chlorocarbonyl) isocyanate is no more used, it represents the yield limiting step with an average yield not exceeding 30%. 2) The Mitsunobu reaction is not involved in the new synthetic scheme avoiding the use of time and solvent consuming column chromatography. All synthesized triazinediones were preliminary pharmacologically screened in vivo for their ability to reduce the Bv8-induced thermal hyperalgesia. In this assay all compounds displayed EC50 values in the picomolar-subpicomolar range, some triazinediones containing a 4-halogen substituted benzyl group in position 5 showed the best activity. The analogues containing a 4-fluorine atom (PC-7) and a 4-bromobenzyl group (PC-25) resulted 10 times more potent than the reference PC-1 that bears a 4-ethylbenzyl group. While the 4-trifluoromethylbenzyl substituted analog (PC-27) was 100 times more potent as compared to PC1. (C) 2014 Elsevier Masson SAS. All rights reserved.

  DOI：

  10.1016/j.ejmech.2014.05.030
• 作为产物：
  描述：

  4-氟苄胺盐酸盐 、 尿素 在 盐酸 作用下， 以 水 为溶剂， 反应 3.0h， 生成 4-氟苄脲
  参考文献：
  名称：

  Highly Selective Aldose Reductase Inhibitors. 1. 3-(Arylalkyl)-2,4,5-trioxoimidazolidine-1-acetic Acids

  摘要：

  A series of 3-(arylalkyl)-2,4,5-trioxoimidazolidine-1-acids (1) was prepared and tested for aldose reductase (AR) and aldehyde reductase (ALR) inhibitory activities. These compounds showed strong inhibitory activity against AR without significant inhibitory activity for ALR. The ratio of IC50(ALR)/IC50(AR) was > 1000 in some compouds. On the basis of pharmacological tests such as the recovery of reduced motor nerve conduction velocity and toxicological profile, 3-(3-nitrobenzyl)-2,4,5-trioxoimidazolidine-1-acid (NZ-314) was selected as the candidate for clinical development.

  DOI：

  10.1021/jm9508393

文献信息

• [EN] FUSED TRICYCLIC UREA COMPOUNDS AS RAF KINASE AND/OR RAF KINASE DIMER INHIBITORS<br/>[FR] COMPOSÉS D'URÉE TRICYCLIQUES CONDENSÉS COMME INHIBITEURS DE RAF KINASE ET/OU DE DIMÈRES DE RAF KINASE
  申请人：BEIGENE LTD

  公开号：WO2014206343A1

  公开（公告）日：2014-12-31

  Provided are certain fused tricyclic urea compounds and salts thereof, compositions thereof, and methods of use therefor.

  提供了某些融合的三环脲化合物及其盐、组合物以及使用方法。
• [EN] NOVEL CATHEPSIN C INHIBITORS AND THEIR USE<br/>[FR] NOUVEAUX INHIBITEURS DE LA CATHEPSINE C ET LEUR UTILISATION
  申请人：GLAXO GROUP LTD

  公开号：WO2009026197A1

  公开（公告）日：2009-02-26

  The invention is directed to compounds according to Formula (I) wherein R1, R2a, R2b, R2c, R3, and n are defined below, and to pharmaceutically-acceptable salts thereof. They are cathepsin C inhibitors and can be used in the treatment of diseases mediated by the cathepsin C enzyme, such as COPD.

  这项发明涉及到符合以下式（I）的化合物，其中R1、R2a、R2b、R2c、R3和n的定义如下，并且其药用盐。它们是半胱氨酸蛋白酶C抑制剂，可用于治疗由半胱氨酸蛋白酶C酶介导的疾病，如慢性阻塞性肺病。
• Ammonium Chloride‐Promoted Rapid Synthesis of Monosubstituted Ureas under Microwave Irradiation
  作者：Chunling Blue Lan、Karine Auclair

  DOI：10.1002/ejoc.202101059

  日期：2021.10.7

  Ammonium chloride promotes the selective formation of monosubstituted ureas under microwave irradiation. Most nucleophiles, acid-labile functionalities, and protecting groups are well tolerated in this reaction. By avoiding transition metals and mineral acids, this methodology offers a more sustainable alternative for the synthesis of monosubstituted ureas and their analogs.

  氯化铵在微波辐射下促进单取代脲的选择性形成。大多数亲核试剂、酸不稳定官能团和保护基团在该反应中具有良好的耐受性。通过避免过渡金属和无机酸，该方法为合成单取代脲及其类似物提供了一种更可持续的替代方案。
• [EN] NOVEL COMPOUNDS THAT ARE ERK INHIBITORS<br/>[FR] NOUVEAUX COMPOSÉS QUI SONT DES INHIBITEURS D'ERK
  申请人：MERCK SHARP & DOHME

  公开号：WO2013063214A1

  公开（公告）日：2013-05-02

  Disclosed are the ERK inhibitors of formula (1): and the pharmaceutically acceptable salts thereof. Also disclosed are methods of treating cancer using the compounds of formula (1).

  公开的是具有式(1)的ERK抑制剂及其药学上可接受的盐。还公开了使用式(1)的化合物治疗癌症的方法。
• The Direct Decarboxylative <i>N</i>-Alkylation of Azoles, Sulfonamides, Ureas, and Carbamates with Carboxylic Acids via Photoredox Catalysis
  作者：Peijun Li、Jason R. Zbieg、Jack A. Terrett

  DOI：10.1021/acs.orglett.1c03761

  日期：2021.12.17

  describe a method for the direct decarboxylative C–N coupling of carboxylic acids with a range of nitrogen nucleophiles. This platform employs visible-light-mediated photoredox catalysis and an iodine(III) reagent to generate carbocation intermediates directly from aliphatic carboxylic acids via a radical-polar crossover mechanism. A variety of C–N bond-containing products are constructed from a diverse

  在此，我们描述了一种羧酸与一系列氮亲核试剂直接脱羧 C-N 偶联的方法。该平台采用可见光介导的光氧化还原催化和碘 (III) 试剂通过自由基-极性交叉机制直接从脂肪族羧酸生成碳正离子中间体。各种含 C-N 键的产物由各种氮杂环组成，包括吡唑、咪唑、吲唑和嘌呤碱基。此外，磺胺类、脲类和氨基甲酸酯类也可用作亲核试剂以产生选择的N-烷基化产物。值得注意的是，直接从羧酸构建游离胺的两步方法是使用 Cbz 保护的胺作为亲核试剂完成的。