8-甲基-4-喹唑酮 | 19181-54-5

• 物质功能分类: 医药中间体 - 杂环化合物 - 喹啉类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 二氮杂萘
• 中文名称: 8-甲基-4-喹唑酮
• 中文别名: 8-甲基-4-喹唑啉酮；4-羟基-8-甲基喹唑啉
• 英文名称: 8-methylquinazolin-4(3H)-one
• 英文别名: 8-methylquinazoline-4(3H)-one；8-methyl-1H-quinazolin-4-one
• CAS: 19181-54-5
• 化学式: C₉H₈N₂O
• mdl: MFCD01685945
• 分子量: 160.175
• InChiKey: GZRXSFZDLGKFLN-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  1.1
• 重原子数：
  12
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.111
• 拓扑面积：
  41.5
• 氢给体数：
  1
• 氢受体数：
  2

安全信息

• 危险品标志：
  Xi
• 海关编码：
  2933990090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  室温

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 8-Methyl-4-quinazolone
Synonyms: 8-Methylquinazolin-4(3H)-one; 8-methyl-4-quinazolinone; 8-methylquinazolin-4-ol

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Section 2. Hazards identification
Harmful by inhalation, in contact with skin, and if swallowed.

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Section 3. Composition/information on ingredients.
Ingredient name: 8-Methyl-4-quinazolone
CAS number: 19181-54-5

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Section 4. First aid measures
Skin contact: Immediately wash skin with copious amounts of water for at least 15 minutes while removing
contaminated clothing and shoes. If irritation persists, seek medical attention.
Eye contact: Immediately wash skin with copious amounts of water for at least 15 minutes. Assure adequate
flushing of the eyes by separating the eyelids with fingers. If irritation persists, seek medical
attention.
Inhalation: Remove to fresh air. In severe cases or if symptoms persist, seek medical attention.
Ingestion: Wash out mouth with copious amounts of water for at least 15 minutes. Seek medical attention.

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Section 5. Fire fighting measures
In the event of a fire involving this material, alone or in combination with other materials, use dry
powder or carbon dioxide extinguishers. Protective clothing and self-contained breathing apparatus
should be worn.

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Section 6. Accidental release measures
Personal precautions: Wear suitable personal protective equipment which performs satisfactorily and meets local/state/national
standards.
Respiratory precaution: Wear approved mask/respirator
Hand precaution: Wear suitable gloves/gauntlets
Skin protection: Wear suitable protective clothing
Eye protection: Wear suitable eye protection
Methods for cleaning up: Mix with sand or similar inert absorbent material, sweep up and keep in a tightly closed container
for disposal. See section 12.
Environmental precautions: Do not allow material to enter drains or water courses.

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Section 7. Handling and storage
Handling: This product should be handled only by, or under the close supervision of, those properly qualified
in the handling and use of potentially hazardous chemicals, who should take into account the fire,
health and chemical hazard data given on this sheet.
Store in closed vessels.
Storage:

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Section 8. Exposure Controls / Personal protection
Engineering Controls: Use only in a chemical fume hood.
Personal protective equipment: Wear laboratory clothing, chemical-resistant gloves and safety goggles.
General hydiene measures: Wash thoroughly after handling. Wash contaminated clothing before reuse.

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Section 9. Physical and chemical properties
Appearance: Not specified
Boiling point: No data
No data
Melting point:
Flash point: No data
Density: No data
Molecular formula: C9H8N2O
Molecular weight: 160.2

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Section 10. Stability and reactivity
Conditions to avoid: Heat, flames and sparks.
Materials to avoid: Oxidizing agents.
Possible hazardous combustion products: Carbon monoxide, nitrogen oxides.

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Section 11. Toxicological information
No data.

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Section 12. Ecological information
No data.

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Section 13. Disposal consideration
Arrange disposal as special waste, by licensed disposal company, in consultation with local waste
disposal authority, in accordance with national and regional regulations.

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Section 14. Transportation information
Non-harzardous for air and ground transportation.

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Section 15. Regulatory information
No chemicals in this material are subject to the reporting requirements of SARA Title III, Section
302, or have known CAS numbers that exceed the threshold reporting levels established by SARA
Title III, Section 313.

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  8-甲基-4-喹唑酮 在 氯化亚砜 、 potassium carbonate 、 N,N-二甲基甲酰胺 、 sodium hydroxide 作用下， 以 乙醇 、 水 、 乙腈 为溶剂， 反应 11.0h， 生成 (1E,4E)-1-(3,4-dichlorophenyl)-5-(2-(8-methylquinazolin-4-yloxy)phenyl)penta-1,4-dien-3-one
  参考文献：
  名称：

  新型（1 E，4 E）-1-芳基-5-（2-（喹唑啉-4-基氧基）苯基）-1,4-戊二烯-3-酮衍生物的合成及抗病毒活性

  摘要：

  通过取代醛与苯甲醛的反应合成了一系列新颖的（1 E，4 E）-1-芳基-5- [2-（喹唑啉-4-基氧基）苯基] -1,4-戊二烯-3-酮衍生物。中间体4a – f。抗病毒生物测定表明，大多数化合物在500μg/ mL的浓度下对烟草花叶病毒（TMV）和黄瓜花叶病毒（CMV）表现出有希望的离体抗病毒生物活性。还讨论了结构与抗病毒活性之间的关系。化合物5a，6e和6g在离体TMV上可具有大约50％的明显保护性生物活性（EC 50）分别为257.7、320.7和243.3μg/ mL。该研究首次证明（1 E，4 E）-1-芳基-5-（2-（喹唑啉-4-基氧基）苯基）-1,4-戊二烯-3-酮可用于开发潜力植物用杀病毒剂。

  DOI：

  10.1016/j.ejmech.2013.02.035
• 作为产物：
  描述：

  间甲基苯腈 在 盐酸 、 tin 、 硝酸 作用下， 生成 8-甲基-4-喹唑酮
  参考文献：
  名称：

  Findeklee, Chemische Berichte, 1905, vol. 38, p. 3555

  摘要：

  DOI：
• 作为试剂：
  描述：

  三乙胺 、 2-溴-4'-氟苯乙酮 在 8-甲基-4-喹唑酮 作用下， 以 乙醇 为溶剂， 生成
  参考文献：
  名称：

  Kalinowska-Torz; Skwarski; Sobiak, Polish Journal of Chemistry, 1997, vol. 71, # 1, p. 57 - 62

  摘要：

  DOI：

文献信息

• Quinazolinones substituted with phenoxyphenylacetic acid derivatives
  申请人：Merck & Co., Inc.

  公开号：US05401745A1

  公开（公告）日：1995-03-28

  Phenoxyphenylacetic acids and derivatives of general structural formula I ##STR1## have endothelin antagonist activity and are therefore useful in treating cardiovascular disorders, such as hypertension, postischemic renal failure, vasospasm, cerebal and cardiac ischemia, myocardial infarction, inflammatory diseases, Raynaud's disease, and endotoxic shock, and asthma.

  苯氧苯乙酸及其一般结构式I的衍生物具有内皮素拮抗活性，因此在治疗心血管疾病，如高血压、缺血后肾衰竭、血管痉挛、脑和心脏缺血、心肌梗死、炎症性疾病、雷诺氏病和内毒素休克以及哮喘方面具有用处。
• 甾体类化合物、用途及其制备方法
  申请人：成都康弘药业集团股份有限公司

  公开号：CN111410678B

  公开（公告）日：2023-02-28

  本发明涉及甾体类化合物、用途及其制备方法；预期该类化合物能够有效的治疗精神神经类疾病，具有良好的活性效力、药代动力学(PK)性能、口服生物利用度、稳定性、安全性、清除率和/或代谢性能等。
• THERAPEUTIC COMPOUNDS AND COMPOSITIONS
  申请人：Cianchetta Giovanni

  公开号：US20140288081A1

  公开（公告）日：2014-09-25

  Compounds of general formula I: and compositions comprising compounds of general formula I that modulate pyruvate kinase are described herein. Also described herein are methods of using the compounds that modulate pyruvate kinase in the treatment of diseases.

  通式I的化合物： 以及包含调节丙酮酸激酶的通式I化合物的组合物在此处被描述。此外，在此处还描述了利用调节丙酮酸激酶的化合物治疗疾病的方法。
• Expedient discovery for novel antifungal leads: 1,3,4-Oxadiazole derivatives bearing a quinazolin-4(3H)-one fragment
  作者：Xiaobin Wang、Jianqi Chai、Xiangyi Kong、Fei Jin、Min Chen、Chunlong Yang、Wei Xue

  DOI：10.1016/j.bmc.2021.116330

  日期：2021.9

  Developing novel fungicide candidates are intensively promoted by the rapid emergences of resistant fungi that outbreak on agricultural production. Aiming to discovery novel antifungal leads, a series of 1,3,4-oxadiazole derivatives bearing a quinazolin-4(3H)-one fragment were constructed for evaluating their inhibition effects against phytopathogenic fungi in vitro and in vivo. Systematically structural

  农业生产中爆发的抗性真菌的迅速出现，极大地促进了新型杀菌剂候选物的开发。为了发现新的抗真菌先导物，构建了一系列带有 quinazolin-4(3 H )-one 片段的 1,3,4-恶二唑衍生物，用于评估它们在体外和体内对植物病原真菌的抑制作用。生成系统的结构的优化的生物活性分子余32所识别作为对有希望的抑制剂纹枯病与体内200 μg/mL 时的预防效果为 58.63%。扫描电镜和透射电镜观察表明，生物活性分子I 32可以诱导菌丝的蔓延生长、菌丝表面的局部收缩和破裂、液泡的极度膨胀、细胞壁的显着变形、以及线粒体数量的减少。上述结果为发现带有喹唑啉-4(3 H )-one 和1,3,4-恶二唑片段的抗真菌先导物提供了不可或缺的补充。
• Design, Synthesis, and Potency of Pyruvate Dehydrogenase Complex E1 Inhibitors against Cyanobacteria
  作者：Yuan Zhou、Jiangtao Feng、Hongwu He、Leifeng Hou、Wen Jiang、Dan Xie、Lingling Feng、Meng Cai、Hao Peng

  DOI：10.1021/acs.biochem.7b00636

  日期：2017.12.12

  designed and synthesized. A part of 10, 17, and 21 displayed potent inhibition of Escherichia coli pyruvate dehydrogenase complex E1 (E. coli PDHc-E1) (IC50 = 2.12–18.06 μM) and good inhibition of Synechocystis sp. PCC 6803 (EC50 = 0.7–7.1 μM) and Microcystis sp. FACH 905 (EC50 = 3.7–7.6 μM). The algaecidal activity of these compounds positively correlated with their inhibition of E. coli PDHc-E1. In particular

  需要安全有效的除藻剂来控制具有农业和环境意义的藻类。四个系列（6，10，17，和21 29新的4-氨基嘧啶衍生物）的合理设计和合成。的一部分10，17，和21中显示的有效抑制大肠杆菌丙酮酸脱氢酶复合物E1（大肠杆菌PDHC-E1）（IC 50 = 2.12-18.06μM）和抑制良好的集胞藻属。PCC 6803（EC 50 = 0.7–7.1μM）和微囊藻。FACH 905（EC 50= 3.7–7.6μM）。这些化合物的杀藻活性与它们对大肠杆菌PDHc-E1的抑制作用正相关。特别是21l和10b表现出对PCC 6803的强效杀藻活性（分别为EC 50 = 0.7和0.8μM），其值是硫酸铜（EC 50 = 1.8μM）的2倍，并且表现最佳抑制蓝细菌PDHc-E1（IC 50分别为5.10和6.06μM ）。17h和21e是大肠杆菌的最佳抑制剂通过分子对接，定点诱变和酶促测定研究了PDHc