3,5-二氯-2-吡啶甲酸 | 81719-53-1

• 物质功能分类: 医药中间体 - 吡啶类化合物
• 分子结构分类: 有机化合物 - 有机杂环化合物 - 吡啶及其衍生物
• 中文名称: 3,5-二氯-2-吡啶甲酸
• 中文别名: 3,5-二氯2-吡啶羧酸；3,5-二氯吡啶-2-甲酸
• 英文名称: 3,5-dichloropyridine-2-carboxylic acid
• 英文别名: 3,5-dichloropicolinic acid；3,5-dichloro-2-pyridinecarboxylic acid；3,5-dichloro-2-picolinic acid
• CAS: 81719-53-1
• 化学式: C₆H₃Cl₂NO₂
• mdl: MFCD03230005
• 分子量: 192.001
• InChiKey: JYKZCYLZWZCQFP-UHFFFAOYSA-N

物化性质

• 熔点：
  153-154 °C
• 沸点：
  315.4±37.0 °C(Predicted)
• 密度：
  1.612±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2
• 重原子数：
  11
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.0
• 拓扑面积：
  50.2
• 氢给体数：
  1
• 氢受体数：
  3

安全信息

• 危险等级：
  IRRITANT
• 危险品标志：
  Xi
• 海关编码：
  2933399090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  室温下，使用惰性气体。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: 3,5-Dichloro-2-pyridinecarboxylic acid
Synonyms:

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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: 3,5-Dichloro-2-pyridinecarboxylic acid
CAS number: 81719-53-1

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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: C6H3Cl2NO2
Molecular weight: 192

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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：

  3,5-二氯-2-吡啶甲酸 在 次氯酸叔丁酯 、 二氯甲烷 、 氧气 、 碳酸氢钠 作用下， 反应 20.0h， 以42%的产率得到2,3,5-三氯吡啶
  参考文献：
  名称：

  在氧条件下用2-卤代甲烷对2-吡啶甲酸进行无过渡金属的脱羧卤化作用†

  摘要：

  描述了一种方便有效的合成2-卤素取代的吡啶的方法。经由N-氯卡宾中间体使2-吡啶甲酸与二卤代甲烷的脱羧卤化反应顺利进行，以令人满意的产率在无过渡金属的条件下提供2-卤素取代的吡啶。这种新型的脱羧卤化反应操作简单，并且具有很高的官能团耐受性。

  DOI：

  10.1039/c9gc02407g
• 作为产物：
  描述：

  3,5-二氯-2-氰基吡啶 在 硫酸 、 水 作用下， 以85%的产率得到3,5-二氯-2-吡啶甲酸
  参考文献：
  名称：

  [EN] NOVEL COMPOSITIONS AND METHODS OF USE
  [FR] NOUVELLES COMPOSITIONS ET PROCÉDÉS D'UTILISATION

  摘要：

  公开号：

  WO2009089263A3

文献信息

• Insecticidal Benzenedicarboxamide Derivative
  申请人：Wada Katsuaki

  公开号：US20110184188A1

  公开（公告）日：2011-07-28

  The present invention relates to a novel benzenedicarboxamide derivative and the use thereof as an insecticide having the formula (I) wherein the chemical groups W 1 to W 9 , and R 1 to R 3 are as defined here-in.

  本发明涉及一种新型苯二甲酰胺衍生物及其作为杀虫剂的用途，其化学式为(I)，其中化学基团W1至W9，以及R1至R3如本文所定义。
• [EN] FACTOR XIa INHIBITORS<br/>[FR] INHIBITORS DU FACTEUR XIA
  申请人：MERCK SHARP & DOHME

  公开号：WO2015054087A1

  公开（公告）日：2015-04-16

  The present invention provides a compound of Formula (I) (structurally represented) and pharmaceutical compositions comprising one or more said compounds, and methods for using said compounds for treating or preventing thromboses, embolisms, hypercoagulability or fibrotic changes. The compounds are selective Factor XIa inhibitors or dual inhibitors of Factor XIa and plasma kallikrein.

  本发明提供了一种公式(I)的化合物（结构表示）以及包含一种或多种所述化合物的药物组合物，以及使用所述化合物治疗或预防血栓、栓塞、高凝血性或纤维化变化的方法。这些化合物是选择性的凝血因子XIa抑制剂或对凝血因子XIa和血浆激肽释放酶的双重抑制剂。
• [EN] OXAZINE DERIVATIVES AND THEIR USE IN THE TREATMENT OF NEUROLOGICAL DISORDERS<br/>[FR] DÉRIVÉS D'OXAZINE ET LEUR UTILISATION DANS LE TRAITEMENT DE TROUBLES NEUROLOGIQUES
  申请人：NOVARTIS AG

  公开号：WO2012095463A1

  公开（公告）日：2012-07-19

  The invention relates to novel heterocyclic compounds of the formula (I), in which all of the variables are as defined in the specification, in free form or in pharmaceutically acceptable salt form, to their preparation, to their medical use and to medicaments comprising them.

  本发明涉及式(I)的新杂环化合物，其中所有变量如说明书中所定义，以自由形式或药物可接受的盐形式存在，以及它们的制备、医学用途和包含它们的药物。
• 4,7-DIHYDRO-PYRAZOLO[1,5-a]PYRAZIN-6-YLAMINE DERIVATIVES USEFUL AS INHIBITORS OF BETA-SECRETASE (BACE)
  申请人：Trabanco-Suárez Andrés Avelino

  公开号：US20130190318A1

  公开（公告）日：2013-07-25

  The present invention relates to novel 4,7-dihydro-pyrazolo[1,5-a]pyrazin-6-yl-amine derivatives as inhibitors of beta-secretase, also known as beta-site amyloid cleaving enzyme, BACE, BACE1, Asp2, or memapsin2. The invention is also directed to pharmaceutical compositions comprising such compounds, to processes for preparing such compounds and compositions, and to the use of such compounds and compositions for the prevention and treatment of disorders in which beta-secretase is involved, such as Alzheimer's disease (AD), mild cognitive impairment, senility, dementia, dementia with Lewy bodies, Down's syndrome, dementia associated with stroke, dementia associated with Parkinson's disease or dementia associated with beta-amyloid.

  本发明涉及作为β-分泌酶抑制剂的新型4,7-二氢吡唑并[1,5-a]吡嗪-6-基胺衍生物，该酶也被称为β-位点淀粉样蛋白裂解酶、BACE、BACE1、Asp2或memapsin2。该发明还涉及包含这些化合物的药物组合物，制备这些化合物和组合物的方法，以及利用这些化合物和组合物预防和治疗涉及β-分泌酶的疾病，如阿尔茨海默病（AD）、轻度认知障碍、老年痴呆、带有Lewy小体的痴呆、唐氏综合征、与中风相关的痴呆、与帕金森病相关的痴呆或与β-淀粉样蛋白相关的痴呆。
• [EN] PERFLUORINATED CYCLOPROPYL FUSED 1,3-OXAZIN-2-AMINE COMPOUNDS AS BETA-SECRETASE INHIBITORS AND METHODS OF USE<br/>[FR] COMPOSÉS À BASE DE 1,3-OXAZIN-2-AMINE FUSIONNÉE AVEC DU CYCLOPROPYLE PERFLUORÉ UTILISABLES EN TANT QU'INHIBITEURS DE LA BÊTA-SÉCRÉTASE ET LEURS PROCÉDÉS D'UTILISATION
  申请人：AMGEN INC

  公开号：WO2014138484A1

  公开（公告）日：2014-09-12

  PERFLUORINATED CYCLOPROPYL FUSED 1,3-OXAZIN-2-AMINE COMPOUNDS AS BETA-SECRETASE INHIBITORS AND METHODS OF USE ABSTRACT OF THE DISCLOSURE The present invention provides a new class of compounds useful for the modulation of beta-secretase enzyme (BACE) activity. The compounds have a general Formula I: INSERT STRUCTURE HERE} I wherein variables A4, A5, A6, A8, each of Ra, Rb, R1, R2, R3 and R7 of Formula I, independently, are defined herein. The invention also provides pharmaceutical compositions comprising the compounds, and uses of the compounds and compositions for treatment of disorders and/or conditions related to A-beta plaque formation and deposition, resulting from the biological activity of BACE. Such BACE mediated disorders include, for example, Alzheimer's Disease, cognitive deficits, cognitive impairments, schizophrenia and other central nervous system conditions. The invention further provides compounds of Formulas II and III, and sub-formula embodiments thereof, intermediates and methods for preparing compounds of the invention.

  本发明提供了一类新的化合物，用于调节β-分泌酶（BACE）活性。这些化合物具有一般的化学式I：在此插入结构} I，其中变量A4、A5、A6、A8，以及化学式I中的每个Ra、Rb、R1、R2、R3和R7，在本文中分别定义。该发明还提供了包含这些化合物的药物组合物，以及用于治疗与A-beta斑块形成和沉积相关的疾病和/或症状的化合物和组合物的用途，这些疾病和症状是由BACE的生物活性引起的。这种由BACE介导的疾病包括阿尔茨海默病、认知缺陷、认知障碍、精神分裂症和其他中枢神经系统疾病。该发明还提供了化学式II和III的化合物，以及其亚式化合物、中间体和制备本发明化合物的方法。