2-溴-5-(二氟甲基)吡啶 | 1221272-81-6

• 物质功能分类: 医药中间体 - 杂环化合物
• 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: 2-溴-5-(二氟甲基)吡啶
• 英文名称: 2-bromo-5-(difluoromethyl)pyridine
• CAS: 1221272-81-6
• 化学式: C₆H₄BrF₂N
• mdl: MFCD16140195
• 分子量: 208.005
• InChiKey: QUHDJDVFZSVUOH-UHFFFAOYSA-N

物化性质

• 熔点：
  25-30°C
• 闪点：
  >110℃

计算性质

• 辛醇/水分配系数(LogP)：
  2.5
• 重原子数：
  10
• 可旋转键数：
  1
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.166
• 拓扑面积：
  12.9
• 氢给体数：
  0
• 氢受体数：
  3

安全信息

• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  2-8°C，惰性气体

SDS

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Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name : 2-Bromo-5-(difluoromethyl)pyridine
CAS-No. : 1221272-81-6
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

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Section 2. HAZARDS IDENTIFICATION
Classification of the substance or mixture
Classification according to Regulation (EC) No 1272/2008 [EU-GHS/CLP]
Skin irritation (Category 2)
Eye irritation (Category 2)
Specific target organ toxicity - single exposure (Category 3)
Classification according to EU Directives 67/548/EEC or 1999/45/EC
Irritating to eyes, respiratory system and skin.
Label elements
Labelling according Regulation (EC) No 1272/2008 [CLP]
Pictogram
Signal word Warning
Hazard statement(s)
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H335 May cause respiratory irritation.
Precautionary statement(s)
P261 Avoid breathing dust.
P305 + P351 + P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove
contact lenses, if present and easy to do. Continue rinsing.
Supplemental Hazard none
Statements
According to European Directive 67/548/EEC as amended.
Hazard symbol(s)
R-phrase(s)
R36/37/38 Irritating to eyes, respiratory system and skin.
S-phrase(s)
S26 In case of contact with eyes, rinse immediately with plenty of water and
seek medical advice.
Other hazards - none

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Synonyms : 6-Bromo-3-(difluoromethyl)pyridine
Formula : C6H4BrF2N
Molecular Weight : 208,00 g/mol

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Section 4. FIRST AID MEASURES
Description of first aid measures
General advice
Consult a physician. Show this safety data sheet to the doctor in attendance.
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration. Consult a physician.
In case of skin contact
Wash off with soap and plenty of water. Consult a physician.
In case of eye contact
Rinse thoroughly with plenty of water for at least 15 minutes and consult a physician.
If swallowed
Never give anything by mouth to an unconscious person. Rinse mouth with water. Consult a physician.
Most important symptoms and effects, both acute and delayed
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Indication of any immediate medical attention and special treatment needed
no data available

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Section 5. FIREFIGHTING MEASURES
Extinguishing media
Suitable extinguishing media
Use water spray, alcohol-resistant foam, dry chemical or carbon dioxide.
Special hazards arising from the substance or mixture
Carbon oxides, nitrogen oxides (NOx), Hydrogen bromide gas, Hydrogen fluoride
Advice for firefighters
Wear self contained breathing apparatus for fire fighting if necessary.
Further information
no data available

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Section 6. ACCIDENTAL RELEASE MEASURES
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapors, mist or gas. Ensure
adequate ventilation. Evacuate personnel to safe areas. Avoid breathing dust.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
Pick up and arrange disposal without creating dust. Sweep up and shovel. Keep in suitable, closed
containers for disposal.
Reference to other sections
For disposal see section 13.

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Section 7. HANDLING AND STORAGE
Precautions for safe handling
Avoid contact with skin and eyes. Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Recommended storage temperature: 2 - 8 °C
Specific end uses
no data available

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Section 8. EXPOSURE CONTROLS/PERSONAL PROTECTION
Control parameters
Components with workplace control parameters
Exposure controls
Appropriate engineering controls
Handle in accordance with good industrial hygiene and safety practice. Wash hands before breaks and
at the end of workday.
Personal protective equipment
Eye/face protection
Safety glasses with side-shields conforming to EN166 Use equipment for eye protection tested
and approved under appropriate government standards such as NIOSH (US) or EN 166(EU).
Skin protection
Handle with gloves. Gloves must be inspected prior to use. Use proper glove removal technique
(without touching glove's outer surface) to avoid skin contact with this product. Dispose of
contaminated gloves after use in accordance with applicable laws and good laboratory practices.
Wash and dry hands.
The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and
the standard EN 374 derived from it.
Body Protection
impervious clothing, The type of protective equipment must be selected according to the
concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
For nuisance exposures use type P95 (US) or type P1 (EU EN 143) particle respirator.For higher
level protection use type OV/AG/P99 (US) or type ABEK-P2 (EU EN 143) respirator cartridges.
Use respirators and components tested and approved under appropriate government standards
such as NIOSH (US) or CEN (EU).

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) Appearance Form: solid
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing Melting point/range: 25 - 30 °C
point
f) Initial boiling point and no data available
boiling range
g) Flash point > 110 °C
h) Evaporation rate no data available
i) Flammability (solid, gas) no data available
j) Upper/lower no data available
flammability or
explosive limits
k) Vapour pressure no data available
l) Vapour density no data available
m) Relative density no data available
n) Water solubility no data available
o) Partition coefficient: n- log Pow: 2,143
octanol/water
p) Autoignition no data available
temperature
q) Decomposition no data available
temperature
r) Viscosity no data available
s) Explosive properties no data available
t) Oxidizing properties no data available
Other safety information
no data available

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Section 10. STABILITY AND REACTIVITY
Reactivity
no data available
Chemical stability
no data available
Possibility of hazardous reactions
no data available
Conditions to avoid
no data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
Other decomposition products - no data available

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Section 11. TOXICOLOGICAL INFORMATION
Information on toxicological effects
Acute toxicity
no data available
Skin corrosion/irritation
no data available
Serious eye damage/eye irritation
no data available
Respiratory or skin sensitization
no data available
Germ cell mutagenicity
no data available
Carcinogenicity
IARC: No component of this product present at levels greater than or equal to 0.1% is identified as
probable, possible or confirmed human carcinogen by IARC.
Reproductive toxicity
no data available
Specific target organ toxicity - single exposure
Inhalation - May cause respiratory irritation.
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
Inhalation May be harmful if inhaled. Causes respiratory tract irritation.
Ingestion May be harmful if swallowed.
Skin May be harmful if absorbed through skin. Causes skin irritation.
Eyes Causes serious eye irritation.
Signs and Symptoms of Exposure
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.
Additional Information
RTECS: Not available

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Section 12. ECOLOGICAL INFORMATION
Toxicity
no data available
Persistence and degradability
no data available
Bioaccumulative potential
no data available
Mobility in soil
no data available
Results of PBT and vPvB assessment
no data available
Other adverse effects
no data available

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Section 13. DISPOSAL CONSIDERATIONS
Waste treatment methods
Product
Offer surplus and non-recyclable solutions to a licensed disposal company. Dissolve or mix the material
with a combustible solvent and burn in a chemical incinerator equipped with an afterburner and scrubber.
Contaminated packaging
Dispose of as unused product.

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Section 14. TRANSPORT INFORMATION
UN number
ADR/RID: - IMDG: - IATA: -
UN proper shipping name
ADR/RID: Not dangerous goods
IMDG: Not dangerous goods
IATA: Not dangerous goods
Transport hazard class(es)
ADR/RID: - IMDG: - IATA: -
Packaging group
ADR/RID: - IMDG: - IATA: -
Environmental hazards
ADR/RID: no IMDG Marine pollutant: no IATA: no
Special precautions for user
no data available

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SECTION 15 - REGULATORY INFORMATION
N/A

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SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  2-溴-5-(二氟甲基)吡啶 在 sodium tetrahydroborate 、 乙醇 、 铜 作用下， 以 水 、 二甲基亚砜 为溶剂， 反应 21.0h， 生成 2-(5-(difluoromethyl)pyridine-2-yl)-2,2-difluoroethanol
  参考文献：
  名称：

  [EN] PYRROLOPYRIMIDINE DERIVATIVES AS NR2B NMDA RECEPTOR ANTAGONISTS
  [FR] DÉRIVÉS DE PYRROLOPYRIMIDINE À TITRE D'ANTAGONISTES DES RÉCEPTEURS NMDA NR2B

  摘要：

  揭示了化学式I的化学实体：[在此插入化学式]其中X、Y、Z、R1、R3、R4、R5和R6的定义如下，作为NR2B亚型选择性受体拮抗剂。还揭示了包括化学实体I的药物组合物，以及通过给予化学实体I来治疗与NR2B拮抗作用相关的各种疾病和障碍的方法，例如中枢神经系统的疾病和障碍，如抑郁症。

  公开号：

  WO2016044323A1
• 作为产物：
  描述：

  2-溴-5-醛基吡啶 在 二乙胺基三氟化硫 作用下， 以 二氯甲烷 为溶剂， 反应 18.0h， 以170 g的产率得到2-溴-5-(二氟甲基)吡啶
  参考文献：
  名称：

  [EN] DIFLUOROMETHYL-PYRIDIN-2-YL TRIAZOLES
  [FR] DIFLUOROMÉTHYL-PYRIDINE-2-YL-TRIAZOLES

  摘要：

  本发明涉及一般式(I)的二氟甲基吡啶-2-基三唑，这些化合物是包含α5亚基的GABAA受体调节剂，可用于治疗中枢神经系统疾病和其他疾病。此外，该发明涉及制备药物组合物的方法以及根据该发明制备化合物的方法。

  公开号：

  WO2022029170A1

文献信息

• [EN] SUBSTITUTED TRICYCLIC AMIDES, ANALOGUES THEREOF, AND METHODS USING SAME<br/>[FR] AMIDES TRICYCLIQUES SUBSTITUÉS, ANALOGUES DE CEUX-CI ET PROCÉDÉS LES METTANT EN OEUVRE
  申请人：ARBUTUS BIOPHARMA CORP

  公开号：WO2021229302A1

  公开（公告）日：2021-11-18

  The present disclosure includes substituted tricyclic amides, or analogues thereof of formula (I) (I), wherein X, Y, ring A, R1, R5, R6 and R7 are as defined herein, and compositions comprising compounds of formula (I) that can be used to treat or prevent hepatitis B virus (HBV) and/or hepatitis D virus (HDV) infections in a patient.

  本公开涵盖了替代三环酰胺，或其类似物的化合物，其化学式为(I)，其中X、Y、环A、R1、R5、R6和R7如本文所定义，并包括化合物(I)的组合物，可用于治疗或预防患者体内的乙型肝炎病毒（HBV）和/或丙型肝炎病毒（HDV）感染。
• [EN] METHODS FOR USING TRIAZOLO-PYRAZINYL SOLUBLE GUANYLATE CYCLASE ACTIVATORS IN FIBROTIC DISORDERS<br/>[FR] PROCÉDÉS D'UTILISATION D'ACTIVATEURS DE LA GUANYLATE CYCLASE SOLUBLE DANS LA TRIAZOLO-PYRAZINYLE POUR DES TROUBLES FIBROTIQUES
  申请人：MERCK SHARP & DOHME

  公开号：WO2017200857A1

  公开（公告）日：2017-11-23

  Provided are methods for treating or preventing a fibrotic disease selected from systemic sclerosis, cystic fibrosis, non-alcoholic steatohepatitis, Peyronie's disease, or interstitial lung disease; the method comprising administering a therapeutically effective amount of a compound of Formula (I) (wherein R1, R2, R3, R4, and R5 are as herein described) or a pharmaceutically acceptable salt thereof, to a patient in need of such therapy.

  提供了治疗或预防纤维化疾病的方法，所述疾病包括系统性硬化症、囊性纤维化、非酒精性脂肪肝炎、佩罗尼病或间质性肺病；该方法包括向需要此类治疗的患者施用化合物I式（其中R1、R2、R3、R4和R5如本文所述）或其药用可接受盐的治疗有效量。
• 1,1,1-TRIFLUORO-3-HYDROXYPROPAN-2-YL CARBAMATE DERIVATIVES AS MAGL INHIBITORS
  申请人：PFIZER INC.

  公开号：US20180208607A1

  公开（公告）日：2018-07-26

  The present invention provides, in part, compounds of Formula I: and pharmaceutically acceptable salts thereof; processes for the preparation of; intermediates used in the preparation of; and compositions containing such compounds or salts, and their uses for treating MAGL-mediated diseases and disorders including, e.g., pain, an inflammatory disorder, depression, anxiety, Alzheimer's disease, a metabolic disorder, stroke, or cancer.

  本发明在一定程度上提供了Formula I的化合物： 及其药用盐；制备方法；制备中使用的中间体；以及含有这些化合物或盐的组合物，以及它们用于治疗MAGL介导的疾病和紊乱，包括但不限于疼痛、炎症性紊乱、抑郁症、焦虑症、阿尔茨海默病、代谢紊乱、中风或癌症。
• [EN] ATAZANAVIR (ATV) ANALOGUES FOR TREATING HIV INFECTIONS<br/>[FR] ANALOGUES D'ATAZANAVIR (ATV) POUR TRAITER DES INFECTIONS PAR LE VIH
  申请人：GILEAD SCIENCES INC

  公开号：WO2018145021A1

  公开（公告）日：2018-08-09

  The invention provides a compound of Formula I: or a pharmaceutically acceptable salt thereof as described herein. The invention also provides pharmaceutical compositions comprising a compound of Formula I, processes for preparing compounds of Formula I, the compound of formula (I) for use in therapeutic methods for treating the proliferation of the HIV virus, treating AIDS or delaying the onset of AIDS symptoms in a mammal using compounds of Formula I. Preferred compounds are N-[(2S) -1-[2-[(2S,3S)-2-hydroxy-3-[[(2S)-2-(methoxycarbonylamino) -3,3-dimethylbutanoyl]amino]-4-phenylbutyl]-2-[(phenyl) methyl]hydrazinyl]-3,3-dimethyl-1-oxobutan-2-yl]carbamate atazanavir (ATV) analogues substituted by several heterocycles, such as e.g. pyrazole (Rl); e.g. oxetane (substituent of X2); e.g. pyridine or pyrimidine (X1); e.g. piperazine or 3,8-diazabicyclo[3.2.1]octan (X2).

  该发明提供了一种如下式的化合物：或其药学上可接受的盐。该发明还提供了包含如下式化合物的药物组合物，制备如下式化合物的方法，以及利用如下式化合物治疗HIV病毒增殖、治疗艾滋病或延缓哺乳动物艾滋病症状发作的治疗方法中使用的如下式化合物。首选化合物是N-[(2S)-1-[2-[(2S,3S)-2-羟基-3-[[(2S)-2-(甲氧羰基氨基)-3,3-二甲基丁酰]氨基]-4-苯基丁基]-2-[(苯基)甲基]肼基]-3,3-二甲基-1-氧丁酸-2-基]氨基甲酸酯阿扎那韦（ATV）类似物，其被若干杂环取代，例如吡唑（R1）；例如氧杂环（X2的取代基）；例如吡啶或嘧啶（X1）；例如哌嗪或3,8-二氮杂双环[3.2.1]辛烷（X2）。
• [EN] 2,5,6,7-TETRAHYDRO-[1,4]OXAZEPIN-3-YLAMINE OR 2,3,6,7-TETRAHYDRO-[1,4]OXAZEPIN-5-YLAMINE COMPOUNDS<br/>[FR] COMPOSÉS DE 2,5,6,7-TÉTRAHYDRO-[1,4]OXAZÉPIN-3-YLAMINE OU DE 2,3,6,7-TÉTRAHYDRO-[1,4]OXAZÉPIN-5-YLAMINE
  申请人：HOFFMANN LA ROCHE

  公开号：WO2011138293A1

  公开（公告）日：2011-11-10

  This invention relates to compounds of the formula (I), wherein A, B and R1 to R7 are as described below, or to pharmaceutically acceptable salts thereof. These compounds are BACE1 and/or BACE2 inhibitors and can be used as 5 medicaments for the therapeutic and/or prophylactic treatment of diseases such as Alzheimer's disease, diabetes, particularly type 2 diabetes, and other metabolic disorders.

  这项发明涉及式(I)的化合物，其中A、B和R1至R7如下所述，或其药学上可接受的盐。这些化合物是BACE1和/或BACE2抑制剂，可用作治疗和/或预防治疗阿尔茨海默病、糖尿病，特别是2型糖尿病，以及其他代谢紊乱疾病的药物。