1-(3,4-二氟苯基)-4-哌啶酮 | 885275-07-0

• 分子结构分类: 有机化合物 - 有机杂环化合物 - 哌啶类
• 中文名称: 1-(3,4-二氟苯基)-4-哌啶酮
• 中文别名: 1-(3,4-二氟苯)哌啶-4-酮
• 英文名称: 1-(3,4-difluorophenyl)piperidin-4-one
• CAS: 885275-07-0
• 化学式: C₁₁H₁₁F₂NO
• 分子量: 211.211
• InChiKey: OQVXHVMMKRCNKU-UHFFFAOYSA-N

物化性质

• 沸点：
  345.4±42.0 °C(Predicted)
• 密度：
  1.267±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  1.7
• 重原子数：
  15
• 可旋转键数：
  1
• 环数：
  2.0
• sp3杂化的碳原子比例：
  0.36
• 拓扑面积：
  20.3
• 氢给体数：
  0
• 氢受体数：
  4

安全信息

• WGK Germany：
  3

SDS

---

SECTION 1: Identification of the substance/mixture and of the company/undertaking
Product identifiers
Product name : 1-(3,4-Difluorophenyl)Piperidin-4-One
REACH No. : A registration number is not available for this substance as the substance
or its uses are exempted from registration, the annual tonnage does not
require a registration or the registration is envisaged for a later
registration deadline.
Relevant identified uses of the substance or mixture and uses advised against
Identified uses : Laboratory chemicals, Manufacture of substances

---

SECTION 2: Hazards identification
Classification of the substance or mixture
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
This substance is not classified as dangerous according to Directive 67/548/EEC.
Label elements
This substance is not classified as dangerous according to Directive 67/548/EEC.
Other hazards
This substance/mixture contains no components considered to be either persistent, bioaccumulative and
toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.

---

SECTION 3: Composition/information on ingredients
Substances
Molecular weight : 211,21 g/mol
No components need to be disclosed according to the applicable regulations.

---

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
Flush eyes with water as a precaution.
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
The most important known symptoms and effects are described in the labelling (see section 2.2) and/or in
section 11
Indication of any immediate medical attention and special treatment needed
No data available

---

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
Nature of decomposition products not known.
Advice for firefighters
Wear self-contained breathing apparatus for firefighting if necessary.
Further information
No data available

---

SECTION 6: Accidental release measures
Personal precautions, protective equipment and emergency procedures
Use personal protective equipment. Avoid dust formation. Avoid breathing vapours, mist or gas. Avoid
breathing dust.
For personal protection see section 8.
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.

---

SECTION 7: Handling and storage
Precautions for safe handling
Avoid formation of dust and aerosols.
Provide appropriate exhaust ventilation at places where dust is formed.
For precautions see section 2.2.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
Storage class (TRGS 510): Non Combustible Solids
Specific end use(s)
Apart from the uses mentioned in section 1.2 no other specific uses are stipulated

---

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
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
Choose body protection in relation to its type, to the concentration and amount of dangerous
substances, and to the specific work-place., The type of protective equipment must be selected
according to the concentration and amount of the dangerous substance at the specific workplace.
Respiratory protection
Respiratory protection is not required. Where protection from nuisance levels of dusts are desired,
use type N95 (US) or type P1 (EN 143) dust masks. Use respirators and components tested and
approved under appropriate government standards such as NIOSH (US) or CEN (EU).
Control of environmental exposure
Do not let product enter drains.

---

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 No data available
point
f) Initial boiling point and No data available
boiling range
g) Flash point No data available
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- No data available
octanol/water
p) Auto-ignition 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

---

SECTION 10: Stability and reactivity
Reactivity
No data available
Chemical stability
Stable under recommended storage conditions.
Possibility of hazardous reactions
No data available
Conditions to avoid
No data available
Incompatible materials
Strong oxidizing agents
Hazardous decomposition products
In the event of fire: see section 5

---

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 sensitisation
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
No data available
Specific target organ toxicity - repeated exposure
No data available
Aspiration hazard
No data available
Additional Information
RTECS: Not available
To the best of our knowledge, the chemical, physical, and toxicological properties have not been
thoroughly investigated.

---

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
This substance/mixture contains no components considered to be either persistent, bioaccumulative and
toxic (PBT), or very persistent and very bioaccumulative (vPvB) at levels of 0.1% or higher.
Other adverse effects
No data available

---

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.

---

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

---

SECTION 15: Regulatory information
This safety datasheet complies with the requirements of Regulation (EC) No. 1907/2006.
Safety, health and environmental regulations/legislation specific for the substance or mixture
No data available
Chemical Safety Assessment
For this product a chemical safety assessment was not carried out

---

SECTION 16: Other information
Further information
Copyright 2014 Co. LLC. License granted to make unlimited paper copies for internal use
only.
The above information is believed to be correct but does not purport to be all inclusive and shall be
used only as a guide. The information in this document is based on the present state of our knowledge
and is applicable to the product with regard to appropriate safety precautions. It does not represent any
guarantee of the properties of the product. Corporation and its Affiliates shall not be held
liable for any damage resulting from handling or from contact with the above product. See
and/or the reverse side of invoice or packing slip for additional terms and conditions of sale.

反应信息

• 作为反应物：
  描述：

  1-(3,4-二氟苯基)-4-哌啶酮 在 nickel(II) chloride ethylene glycol dimethyl ether complex 、 (±)-t-Bu-Quinox 、 三苯基膦 、 锌 作用下， 以 四氢呋喃 、 N,N-二甲基乙酰胺 、 乙腈 为溶剂， 反应 32.0h， 生成
  参考文献：
  名称：

  镍催化亚乙烯基插入 Si-H 键

  摘要：

  报道了 1,1-二氯烯基硅烷的镍催化还原环化。该反应的产物是不饱和的五元或六元硅环。还描述了分子间变体，提供了无法通过炔烃氢化硅烷化或 sila-Heck 型工艺获得的三取代乙烯基硅烷。可以使用多种硅烷，包括在 Hiyama 交叉偶联反应中作为亲核伙伴的那些。描述了使用氘标记硅烷的机理研究。

  DOI：

  10.1039/d0cc05970f
• 作为产物：
  描述：

  3,4-二氟苯胺 在 potassium carbonate 、 二甲基亚砜 、 N,N'-二环己基碳二亚胺 、 三氟乙酸 、 sodium iodide 作用下， 以 吡啶 、 N,N-二甲基甲酰胺 、 苯 为溶剂， 生成 1-(3,4-二氟苯基)-4-哌啶酮
  参考文献：
  名称：

  Some observations relating to the use of 1-aryl-4-alkoxypiperidin-4-yl groups for the protection of the 2′-hydroxy functions in the chemical synthesis of oligoribonucleotides

  摘要：

  讨论了在寡核苷酸合成中，十个1-芳基-4-甲氧基哌啶-4-基（R = Me，包括先前报道的Ctmp 5和Fpmp 6）保护基对2'-羟基功能的酸催化去除的相对速率。这些研究导致开发了1-(4-氯苯基)-4-乙氧基哌啶-4-基（Cpep）保护基8（R = Et，R1 = R2 = H，R3 = Cl），其在pH 0.5下比Ctmp和Fpmp群更加稳定，而在pH 3.75下更加不稳定。研究了核苷酸基在低pH和高pH下对2'-O-Fpmp和2'-O-Ctmp保护基稳定性的影响。

  DOI：

  10.1039/a908149f

文献信息

• [EN] NOVEL TETRAHYDROPYRIDOPYRIMIDINES AND TETRAHYDROPYRIDOPYRIDINES FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION<br/>[FR] NOUVELLES TÉTRAHYDROPYRIDOPYRIMIDINES ET TÉTRAHYDROPYRIDOPYRIDINES POUR LE TRAITEMENT ET LA PRÉVENTION D'UNE INFECTION PAR LE VIRUS DE L'HÉPATITE B
  申请人：HOFFMANN LA ROCHE

  公开号：WO2016107832A1

  公开（公告）日：2016-07-07

  The invention provides novel compounds having the general formula (I): wherein R1, R2, R3, Q, U,W, Z, X and Y are as described herein, compositions including the compounds and methods of using the compounds. These compounds are HbsAg inhibitors and are useful as medicaments for the treatment or prophylaxis of HBV infection.

  这项发明提供了具有一般式（I）的新化合物：其中R1、R2、R3、Q、U、W、Z、X和Y如本文所述，包括这些化合物的组合物以及使用这些化合物的方法。这些化合物是HbsAg抑制剂，可用作治疗或预防HBV感染的药物。
• Tetrahydropyridopyrimidines and tetrahydropyridopyridines for the treatment and prophylaxis of hepatitis B virus infection
  申请人：Hoffmann-La Roche Inc.

  公开号：US10196391B2

  公开（公告）日：2019-02-05

  The invention provides novel compounds having the general formula: wherein R1, R2, R3, Q, U, W, Z, X and Y are as described herein, compositions including the compounds and methods of using the compounds. These compounds are HbsAg inhibitors and are useful as medicaments for the treatment or prophylaxis of HBV infection.

  本发明提供了具有通式的新型化合物： 其中 R1、R2、R3、Q、U、W、Z、X 和 Y 如本文所述，提供了包括这些化合物的组合物和使用这些化合物的方法。这些化合物是 HbsAg 抑制剂，可用作治疗或预防 HBV 感染的药物。
• An Expedient Radical Approach for the Decarboxylative Synthesis of Stereodefined All‐Carbon Tetrasubstituted Olefins
  作者：Qian Zeng、Nirwan Yamini、Jordi Benet-Buchholz、Arjan Willem Kleij

  DOI：10.1002/anie.202403651

  日期：——

  A radical-based, photo-catalyzed decarboxylative formation of stereodefined tri- and tetrasubstituted olefins is reported using various α-amino radical precursors and heterocycles as substrates. This user-friendly protocol combines a wide structural scope, easy drug and postsynthetic manipulations, and variation in both reaction partners. The mechanistic studies reveal a key CO2 extrusion step to enable

  据报道，使用各种α-氨基自由基前体和杂环作为底物，基于自由基的光催化脱羧形成立体定义的三取代和四取代烯烃。这种用户友好的方案结合了广泛的结构范围、简单的药物和合成后操作以及两种反应伙伴的变化。机理研究揭示了实现整体转变的关键CO 2挤出步骤。
• NOVEL TETRAHYDROPYRIDOPYRIMIDINES AND TETRAHYDROPYRIDOPYRIDINES FOR THE TREATMENT AND PROPHYLAXIS OF HEPATITIS B VIRUS INFECTION
  申请人：F. Hoffmann-La Roche AG

  公开号：EP3240537A1

  公开（公告）日：2017-11-08
• ELECTROPHOTOGRAPHIC PHOTOSENSITIVE MEMBER, PROCESS CARTRIDGE, ELECTROPHOTOGRAPHIC APPARATUS AND PHTHALOCYANINE CRYSTAL
  申请人：CANON KABUSHIKI KAISHA

  公开号：US20160091807A1

  公开（公告）日：2016-03-31

  The present invention provides an electrophotographic photosensitive member comprising a support, and a photosensitive layer formed on the support, wherein the photosensitive layer contains a phthalocyanine crystal in which a 4-piperidone compound represented by the following formula (1) is contained.