4-羟基-6-氯喹唑啉 | 16064-14-5

• 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: 4-羟基-6-氯喹唑啉
• 中文别名: 6-氯喹唑啉-4-酮；6-氯-4-羟基喹唑啉；6-氯-4(3H)-喹唑啉酮；6-氯-4(3H)喹唑啉酮；6-氯-4-喹唑酮；6-氯-4-喹唑啉酮
• 英文名称: 6-chloroquinazolin-4-one
• 英文别名: 6-chloroquinazolin-4(3H)-one；6-chloro-4(3H)quinazolinone；6-chloro-4-hydroxyquinazoline；6-Chloroquinazolin-4-ol；6-chloro-3H-quinazolin-4-one
• CAS: 16064-14-5
• 化学式: C₈H₅ClN₂O
• mdl: MFCD00182168
• 分子量: 180.593
• InChiKey: GOBVWEUSCRFCPB-UHFFFAOYSA-N

物化性质

• 熔点：
  263-265 °C
• 沸点：
  128.9°C (rough estimate)
• 密度：
  1.4300 (rough estimate)
• pKa：
  0.93±0.20 (Predicted,Most Basic Temp: 25 °C)

计算性质

• 辛醇/水分配系数(LogP)：
  1.3
• 重原子数：
  12
• 可旋转键数：
  0
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.0
• 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：
  P280,P305+P351+P338,P310
• 危险性描述：
  H302,H315,H319,H332,H335
• 储存条件：
  室温、密封、干燥

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 6-Chloro-4-quinazolone
Synonyms: 6-Chloroquinazolin-4(3H)-one; 6-chloro-4-quinazolinone; 6-chloroquinazolin-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: 6-Chloro-4-quinazolone
CAS number: 16064-14-5

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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: C8H5ClN2O
Molecular weight: 180.6

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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, hydrogen chloride.

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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：

  4-羟基-6-氯喹唑啉 在 N,N-二异丙基乙胺 、 三氯氧磷 作用下， 反应 2.5h， 以80%的产率得到4,6-二氯喹唑啉
  参考文献：
  名称：

  喹唑啉-4(3H)-酮与胺的六甲基二硅氮烷介导反应一锅法合成4-氨基喹唑啉

  摘要：

  摘要 喹唑啉-4(3H)-酮与伯胺的六甲基二硅氮烷介导的反应导致在单锅中通过串联硅烷化和取代轻松形成 4-氨基喹唑啉。该方法的优点是产品收率（83-97%）和环境友好（避免使用氯化试剂）。

  DOI：

  10.1080/00397911.2010.519843
• 作为产物：
  描述：

  5-氯-2-硝基苯甲醛 在 盐酸 、 tin 、 potassium permanganate 作用下， 生成 4-羟基-6-氯喹唑啉
  参考文献：
  名称：

  Magidson; Golowtschinskaja, Zhurnal Obshchei Khimii, 1938, vol. 8, p. 1797,1801

  摘要：

  DOI：

文献信息

• [EN] PIPERIDINE SUBSTITUTED PYRAZOLO[1,5-A]PYRIMIDINE DERIVATIVES WITH INHIBITORY ACTIVITY ON THE REPLICATION OF THE RESPIRATORY SYNCYTIAL VIRUS (RSV)<br/>[FR] DÉRIVÉS DE PYRAZOLO[1,5-A]PYRIMIDINE SUBSTITUÉS PAR PIPÉRIDIN, AYANT UNE ACTIVITÉ INHIBITRICE SUR LA RÉPLICATION DU VIRUS RESPIRATOIRE SYNCYTIAL (RSV)
  申请人：JANSSEN SCIENCES IRELAND UC

  公开号：WO2016091774A1

  公开（公告）日：2016-06-16

  The invention concerns novel substituted bicyclic pyrazolo pyrimidine compounds of formula (I) having antiviral activity, in particular, having an inhibitory activity on the replication of the respiratory syncytial virus (RSV). The invention further concerns the preparation of such novel compounds, compositions comprising these compounds, and the compounds for use in the treatment of respiratory syncytial virus infection.

  这项发明涉及具有抗病毒活性的新型取代的双环吡唑嘧啶化合物，特别是对呼吸道合胞病毒（RSV）复制具有抑制活性的化合物。该发明还涉及制备这种新型化合物，包含这些化合物的组合物，以及用于治疗呼吸道合胞病毒感染的化合物。
• 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
• Photoinduced homolytic decarboxylative acylation/cyclization of unactivated alkenes with α-keto acid under external oxidant and photocatalyst free conditions: access to quinazolinone derivatives
  作者：Bin Sun、Rongcheng Shi、Kesheng Zhang、Xiaoli Tang、Xiayue Shi、Jiayun Xu、Jin Yang、Can Jin

  DOI：10.1039/d1cc02415a

  日期：——

  A novel and green strategy for the synthesis of acylated quinazolinone derivatives via photo-induced decarboxylative cascade radical acylation/cyclization of quinazolinone bearing unactivated alkenes has been developed. The protocol provides a novel route to access acyl radicals from α-keto acids through a self-catalyzed energy transfer process. Most importantly, the reaction proceeded smoothly without

  已经开发了通过光诱导的带有未活化烯烃的喹唑啉酮的脱羧级联自由基酰化/环化反应来合成酰化喹唑啉酮衍生物的新颖和绿色策略。该协议提供了一种通过自催化能量转移过程从α-酮酸中获取酰基的新颖途径。最重要的是，该反应在没有任何外部光催化剂，添加剂或氧化剂的情况下可顺利进行，并且在阳光照射下，在流动条件下很容易按比例放大。
• Visible-light-mediated minisci C–H alkylation of heteroarenes with 4-alkyl-1,4-dihydropyridines using O₂ as an oxidant
  作者：Jianyang Dong、Fuyang Yue、Wentao Xu、Hongjian Song、Yuxiu Liu、Qingmin Wang

  DOI：10.1039/d0gc02111c

  日期：——

  Minisci C–H alkylation of N-heteroarenes with 4-alkyl-1,4-dihydropyridines at room temperature with molecular oxygen as an oxidant was developed.

  在室温下，使用分子氧作为氧化剂，开发了米尼斯基C-H与N-杂环芳烃的4-烷基-1,4-二氢吡啶的烷基化反应。