(E)-4-(2-chlorophenyl)-3-buten-2-one | 20766-37-4

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: (E)-4-(2-chlorophenyl)-3-buten-2-one
• 英文别名: (E)-4-(2-chlorophenyl)but-3-en-2-one；o-chlorobenzalacetone；trans-4-(2-chlorophenyl)but-3-en-2-one；o-Chlorbenzylidenaceton；4-(2-Chlorophenyl)but-3-en-2-one
• CAS: 20766-37-4
• 化学式: C₁₀H₉ClO
• 分子量: 180.634
• InChiKey: FHDSETHROOWFCQ-VOTSOKGWSA-N

物化性质

• 沸点：
  105 °C

计算性质

• 辛醇/水分配系数(LogP)：
  2.7
• 重原子数：
  12
• 可旋转键数：
  2
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.1
• 拓扑面积：
  17.1
• 氢给体数：
  0
• 氢受体数：
  1

安全信息

• 危险等级：
  IRRITANT
• 海关编码：
  2914700090

SDS

Name:	4-(2-Chlorophenyl)but-3-en-2-one 97% Material Safety Data Sheet
Synonym:
CAS:	20766-37-4

Section 1 - Chemical Product MSDS Name:4-(2-Chlorophenyl)but-3-en-2-one 97% Material Safety Data Sheet
Synonym:

---

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS

CAS#	Chemical Name	content	EINECS#
20766-37-4	4-(2-Chlorophenyl)but-3-en-2-one	97%	unlisted

Hazard Symbols: XI
Risk Phrases: 36/37/38

---

Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

---

Section 4 - FIRST AID MEASURES
Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

---

Section 5 - FIRE FIGHTING MEASURES
General Information:
As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

---

Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container.

---

Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Store under an inert atmosphere.

---

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 20766-37-4: Personal Protective Equipment Eyes: Not available.
Skin:
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to prevent skin exposure.
Respirators:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

---

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES

Physical State: Liquid
Color: yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density:
Molecular Formula: C10H9ClO
Molecular Weight: 181

---

Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Strong oxidizing agents, reducing agents.
Hazardous Decomposition Products:
Hydrogen chloride, chlorine, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

---

Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 20766-37-4 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
4-(2-Chlorophenyl)but-3-en-2-one - Not listed by ACGIH, IARC, or NTP.

---

Section 12 - ECOLOGICAL INFORMATION

---

Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.

---

Section 14 - TRANSPORT INFORMATION

IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

---

Section 15 - REGULATORY INFORMATION

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 20766-37-4: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 20766-37-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 20766-37-4 is not listed on the TSCA inventory.
It is for research and development use only.

---

SECTION 16 - ADDITIONAL INFORMATION
N/A

反应信息

• 作为反应物：
  描述：

  (E)-4-(2-chlorophenyl)-3-buten-2-one 在 sodium tetrahydroborate 作用下， 以 甲醇 、 水 为溶剂， 反应 3.0h， 生成 (E)-4-(2-chlorophenyl)but-3-en-2-ol
  参考文献：
  名称：

  立体发散 Pd/Cu 催化外消旋不对称 1,3-二取代烯丙酯的动态动力学不对称转化

  摘要：

  已经开发了一种立体发散的 Pd/Cu 催化剂体系，用于外消旋不对称 1,3-二取代烯丙基乙酸酯与前手性醛亚胺酯的前所未有的动态动力学不对称转化 (DyKAT)。一系列带有邻位立体中心的 α,α-二取代 α-氨基酸很容易制备，具有优异的对映选择性（高达 >99% ee）和非对映选择性（高达 >20:1 dr）。通过简单地改变两种手性金属催化剂的构型，可以很容易地获得产物的所有四种立体异构体。此外，我们的工作突出了由两种常见的双齿手性配体组成的协同 Pd/Cu 催化的力量，用于立体发散​​合成。

  DOI：

  10.1021/jacs.0c02150
• 作为产物：
  描述：

  4-(2-氯苯基)-4-羟基丁烷-2-酮 在 盐酸 作用下， 以 水 为溶剂， 反应 1.0h， 以61.4 mg的产率得到(E)-4-(2-chlorophenyl)-3-buten-2-one
  参考文献：
  名称：

  痕量OH导向的Wacker氧化消除反应，替代Wittig烯烃/醇醛缩合反应：由均烯丙基醇一锅法合成α，β-不饱和和非共轭酮

  摘要：

  用于一锅合成的新方法β-取代和β，β -二取代的α，β通过顺序的PdCl不饱和的甲基酮从高烯丙基醇2 / CRO 3促进的瓦克法然后酸介导的脱水反应已经开发。值得注意的是，内部均烯丙基醇在相同的方案下可选择性地引入区域选择性的非共轭不饱和羰基化合物。证明了一种新的基于原料的α，β-不饱和和非共轭甲基酮的合成方法。

  DOI：

  10.1021/acs.joc.6b01899

文献信息

• Ruthenium-Catalyzed Oxidative Formal Aza-Diels-Alder Reaction: Enantioselective Synthesis of Benzo[<i>a</i> ]quinolizine-2-ones
  作者：Yuan Yao、Hai-Jie Zhu、Fang Li、Cheng-Feng Zhu、Yun-Fei Luo、Xiang Wu、Eric Assen B. Kantchev

  DOI：10.1002/adsc.201700738

  日期：2017.9.18

  11bS)‐benzo[a]quinolizine‐2‐one derivatives in good enantio‐ and diastereoselectivity by a one‐pot oxidative formal aza‐Diels–Alder reaction of 1,2,3,4‐tetrahydroisoquinolines and α,β‐unsaturated ketones is described. The reaction proceeds via tandem ruthenium‐catalyzed amine dehydrogenation using tert‐butyl hydroperoxide (TBHP) as the oxidant and a chiral thiourea‐catalyzed formal aza‐[4+2] cycloaddition, providing

  一种通过一锅氧化1,2,3的形式正式氮杂-Diels-Alder反应制备具有良好对映异构和非对映选择性的热力学（4 R，11b S）-苯并[ a ]喹诺嗪-2-酮衍生物的方法描述了，4-四氢异喹啉和α，β-不饱和酮。该反应通过叔丁基氢过氧化物（TBHP）作为氧化剂和手性硫脲催化的正式氮杂[4 + 2]环加成反应，通过串联钌催化的胺脱氢而进行，为合成这些有价值的杂环化合物提供了分步经济的策略产品。
• Chemoselective Conjugate Reduction of α,β-Unsaturated Ketones Catalyzed by Rhodium Amido Complexes in Aqueous Media
  作者：Xuefeng Li、Liangchun Li、Yuanfu Tang、Ling Zhong、Linfeng Cun、Jin Zhu、Jian Liao、Jingen Deng

  DOI：10.1021/jo100256t

  日期：2010.5.7

  electron-withdrawing functional groups, could be reduced on the alkenic double bonds with high selectivities employing amido-rhodium hydride complex in aqueous media, and up to 100% chemoselectivity has been achieved. It is notable that the chemoselectivity was improved significantly on going from organic solvent to water. Moreover, a 1,4-addition mechanism has been proposed on the basis of the corresponding

  尽管Noyori Ru-TsDPEN配合物的显着特征是转移氢化反应对C═O官能团具有高度的化学选择性并且对烯烃具有耐受性，但我们的早期报告表明，化学选择性可以从C═O切换为C═C键在活化的α，β-不饱和酮的转移氢化中。现在我们发现，即使在没有其他吸电子官能团的情况下，也可以在水性介质中使用酰胺-铑氢化物络合物以高选择性将各种α，β-不饱和酮还原成烯烃双键，并且具有很高的选择性。已经实现了化学选择性。值得注意的是，从有机溶剂到水，化学选择性显着提高。此外，1
• Asymmetric cross aldol addition of isatins with α,β-unsaturated ketones catalyzed by a bifunctional Brønsted acid–Brønsted base organocatalyst
  作者：Guo-Gui Liu、Hua Zhao、Yu-Bao Lan、Bin Wu、Xiao-Fei Huang、Jian Chen、Jing-Chao Tao、Xing-Wang Wang

  DOI：10.1016/j.tet.2012.03.042

  日期：2012.5

  The asymmetric cross-aldol reaction of isatins with α,β-unsaturated ketones has been developed under catalysis by a Cinchona alkaloid-derivated bifunctional Brønsted acid–Brønsted base catalyst, affording the aldol adducts in moderate to good yields (18–98%) with moderate to good enantioselectivities (30–97%). The noncovalent organo-catalyzed asymmetric cross-aldol reaction displays a broad substrate

  在金鸡纳生物碱衍生的双官能布朗斯台德酸-布朗斯台德碱催化剂的催化下，开发出了靛红与α，β-不饱和酮的不对称交叉羟醛反应，提供了中等至良好收率（18-98％）的羟醛加合物。中度到良好的对映选择性（30–97％）。尽管两个反应伙伴的电子和位阻性质对反应性和立体控制都具有相当大且规则的影响，但非共价有机催化的不对称交叉羟醛缩醛反应显示出较宽的底物范围和宽泛的官能团耐受性。
• Photocatalyzed Csp³–Csp³ cross-dehydrogenative coupling of <i>N</i>-Boc-tetrahydroisoquinolines with α,β-unsaturated ketones
  作者：Na-Ri-Mei Ao、Xue-Qing Zhu、Chun-Xin Zhao、Ya-Ru Gao、Yong-Qiang Wang

  DOI：10.1039/d1ob00527h

  日期：——

  A novel photocatalyzed cross-dehydrogenative coupling reaction of N-Boc-tetrahydroisoquinolines with α,β-unsaturated ketones has been developed. This research provides an easy access to a variety of C1-substituted tetrahydroisoquinolines, which can be further transformed into benzo[a]-quinolizine-2-ones, the skeletons of natural products with a wide range of biological activities. The load of the photocatalyst

  开发了一种新型光催化N -Boc-四氢异喹啉与 α,β-不饱和酮的交叉脱氢偶联反应。这项研究提供了一种容易获得各种 C1 取代的四氢异喹啉的方法，这些四氢异喹啉可以进一步转化为具有广泛生物活性的天然产物骨架苯并[ a ]-quinolizine-2-ones。光催化剂的负载量低，氧化剂便宜且毒性较小。
• Novel antimalarial 3-azabicyclo[3.2.2]nonane derivatives
  申请人：University of Graz

  公开号：EP2301627A1

  公开（公告）日：2011-03-30

  The present invention relates to novel 3-azabicyclo[3.2.2]nonane derivatives of the general formula (I) or a pharmaceutically acceptable salt thereof wherein R1, R2, R3, R4, R5, R6, R7, R8, R9 and R10 are as defined in the specification. The novel 3-azabicyclo[3.2.2]nonane derivatives are particularly useful for treatment and prevention of malaria and trypanosomiasis.

  本发明涉及一般式(I)的新型3-氮杂双环[3.2.2]壬烷衍生物 或其药学上可接受的盐 其中R1、R2、R3、R4、R5、R6、R7、R8、R9和R10如规范中所定义。这些新型3-氮杂双环[3.2.2]壬烷衍生物特别适用于治疗和预防疟疾和锥虫病。

表征谱图