alpha-甲基-DL-苯丙氨酸 | 1132-26-9

• 物质功能分类: 生物化工 - 氨基酸及其衍生物 - 苯丙氨酸类衍生物
• 分子结构分类: 有机化合物 - 苯丙烷和聚酮 - 苯丙酸
• 中文名称: alpha-甲基-DL-苯丙氨酸
• 中文别名: α-甲基-DL-苯丙氨酸；2-氨基-2-甲基-3-苯基丙酸；Α-甲基-DL-苯丙氨酸
• 英文名称: 2-methyl-3-phenylalanine
• 英文别名: 2-amino-2-methyl-3-phenylpropanoic acid；α-methylphenylalanine；alpha-methylphenylalanine；2-azaniumyl-2-methyl-3-phenylpropanoate
• CAS: 1132-26-9
• 化学式: C₁₀H₁₃NO₂
• 分子量: 179.219
• InChiKey: HYOWVAAEQCNGLE-UHFFFAOYSA-N

物化性质

• 熔点：
  293-294 °C (dec.)(lit.)
• 沸点：
  312.8±30.0 °C(Predicted)
• 密度：
  1.166±0.06 g/cm3(Predicted)
• 物理描述：
  Solid
• 稳定性/保质期：

  如果按照规格使用和储存，则不会分解，不存在已知的危险反应，应避免与氧化物接触。

计算性质

• 辛醇/水分配系数(LogP)：
  -1.2
• 重原子数：
  13
• 可旋转键数：
  3
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.3
• 拓扑面积：
  63.3
• 氢给体数：
  2
• 氢受体数：
  3

安全信息

• 安全说明：
  S22,S24/25
• WGK Germany：
  3
• 海关编码：
  2922499990
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H315,H319,H335
• 储存条件：
  请将贮藏器保持密封，并存放在阴凉干燥处。同时，确保工作环境具有良好的通风或排气设施。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: Alpha-Methyl-DL-phenylalanine
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: Alpha-Methyl-DL-phenylalanine
CAS number: 1132-26-9

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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: C10H13NO2
Molecular weight: 179.2

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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.

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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

制备方法与用途

α-甲基DL-苯丙氨酸是一种苯丙氨酸衍生物。

反应信息

• 作为反应物：
  描述：

  alpha-甲基-DL-苯丙氨酸 在 NH₄OH-NH₄Cl buffer 、 磷酸吡哆醛 作用下， 反应 0.5h， 生成 非那明
  参考文献：
  名称：

  Nakazawa, Hidetsugu; Kumagai, Hidehiko; Yamada, Hideaki, Agricultural and Biological Chemistry, 1981, vol. 45, # 11, p. 2543 - 2552

  摘要：

  DOI：
• 作为产物：
  描述：

  氯化苄 在 苄基三乙基氯化铵 盐酸 、 氢氧化钾 、 potassium carbonate 作用下， 以 二氯甲烷 为溶剂， 反应 22.0h， 生成 alpha-甲基-DL-苯丙氨酸
  参考文献：
  名称：

  苯甲醛亚胺的烷基化和亲核加成固相转移催化合成α-氨基酸

  摘要：

  研究了在固-液相转移催化条件下，通过烷基化，迈克尔加成和羰基加成以及甘氨酸和丙氨酸酯衍生的亚胺与苯甲醛环加成，合成短而温和高效的α-氨基酸的路线。固液相转移催化反应的关键是为各种反应物选择碱。产量取决于所用的碱。讨论了使用KOH，K 2 CO 3和Na 2 CO 3获得的结果。研究了固液PTC苄基化反应的动力学，我们提出了一种可能的固液PTC机理作为界面自动催化程序。介绍了一些α-氨基酸合成的细节。

  DOI：

  10.1016/s0040-4020(01)86041-5

文献信息

• Amino-substituted heterocycles, compositions thereof, and methods of treatment therewith
  申请人：D'Sidocky Neil R.

  公开号：US20080242694A1

  公开（公告）日：2008-10-02

  Provided herein are Heterocyclic Compounds having the following structure: wherein R 1 , R 2 , X, Y and Z are as defined herein, compositions comprising an effective amount of a Heterocyclic Compound and methods for treating or preventing cancer, inflammatory conditions, immunological conditions, metabolic conditions and conditions treatable or preventable by inhibition of a kinase pathway comprising administering an effective amount of a Heterocyclic Compound to a patient in need thereof.

  本文提供具有以下结构的杂环化合物： 其中R1、R2、X、Y和Z如本文所定义，包含有效量杂环化合物的组合物，以及治疗或预防癌症、炎症性疾病、免疫疾病、代谢性疾病以及通过给予患者需要的有效量杂环化合物来抑制激酶途径治疗或预防的疾病的方法。
• Herbicidally Active Composition
  申请人：Hupe Eike

  公开号：US20100190794A1

  公开（公告）日：2010-07-29

  The present invention relates to herbicidally active compositions comprising at least one piperazinedione compound of the formula I in which: R x , R y are each hydrogen or together are a chemical bond; R 1 is cyano or nitro; R 2 is hydrogen, fluorine, chlorine, C 1 -C 2 -alkyl, ethenyl or C 1 -C 2 -alkoxy; R 3 is fluorine or hydrogen; R 4 is methyl; R 5 is hydrogen, methyl or ethyl; R 6 is hydrogen, methyl or ethyl; and R 7 is hydrogen or halogen; and at least one further active compound selected from the group consisting of b1) lipid biosynthesis inhibitors; b2) acetolactate synthase inhibitors (ALS inhibitors); b3) photosynthesis inhibitors; b4) protoporphyrinogen-IX oxidase inhibitors, b5) bleacher herbicides; b6) enolpyruvyl shikimate 3-phosphate synthase inhibitors (EPSP inhibitors); b7) glutamine synthetase inhibitors; b8) 7,8-dihydropteroate synthase inhibitors (DHP inhibitors); b9) mitose inhibitors; b10) inhibitors of the synthesis of very long chain fatty acids (VLCFA inhibitors); b11) cellulose biosynthesis inhibitors; b12) decoupler herbicides; b13) auxin herbicides; b14) auxin transport inhibitors; b15) other herbicides, and C) safeners.

  本发明涉及具有至少一种式I的哌嗪二酮化合物的除草活性组合物： 其中： Rx，Ry分别为氢或一起为化学键； R1为氰基或硝基； R2为氢、氟、氯、C1-C2-烷基、乙烯基或C1-C2-烷氧基； R3为氟或氢； R4为甲基； R5为氢、甲基或乙基； R6为氢、甲基或乙基；以及 R7为氢或卤素； 以及从以下组中选择的至少一种进一步活性化合物： b1）脂质生物合成抑制剂； b2）乙酰乳酸合成酶抑制剂（ALS抑制剂）； b3）光合作用抑制剂； b4）原卟啉原生物合成酶抑制剂； b5）漂白剂除草剂； b6）烯丙基酮酸磷酸合酶抑制剂（EPSP抑制剂）； b7）谷氨酰胺合成酶抑制剂； b8）7,8-二氢叶酸合成酶抑制剂（DHP抑制剂）； b9）有丝分裂抑制剂； b10）非常长链脂肪酸合成抑制剂（VLCFA抑制剂）； b11）纤维素生物合成抑制剂； b12）解偶联剂除草剂； b13）生长素除草剂； b14）生长素转运抑制剂； b15）其他除草剂；以及 C）安全剂。
• Asymmetric alkylation catalyzed by chiral alkali metal alkoxides of TADDOL. Synthesis of α-methyl amino acids
  作者：Yu. N. Belokon、K. A. Kochetkov、T. D. Churkina、N. S. Ikonnikov、A. A. Chesnokov、O. V. Larionov、H. V. Kagan

  DOI：10.1007/bf02494637

  日期：1999.5

  enantioselective alkylation of Schiff's bases derived from alanine with reactive alkyl halides. Acid hydrolysis of the reaction products affords (R)-α-methylphenyl-alanine, (R)-α-allylalanine, and (R)-α-methylnaphthylalanine in 61–93% yields and withee 69–94%. When (S,S)-TADDOL is used, the (S)-amino acid is formed. A mechanism explaning the observed features of the reaction is proposed.

  结果表明，由 (4R,5R)-2,2-二甲基-1,3-二氧戊环-4,5-双(二苯基甲醇) ((R,R)-TADDOL) 及其一些衍生物形成的醇钠可以用作手性催化剂，用于从丙氨酸衍生的席夫碱与反应性烷基卤化物的对映选择性烷基化。反应产物的酸水解得到 (R)-α-甲基苯基-丙氨酸、(R)-α-烯丙基丙氨酸和 (R)-α-甲基萘丙氨酸，产率为 61-93%，产率为 69-94%。当使用 (S,S)-TADDOL 时，会形成 (S)-氨基酸。提出了解释观察到的反应特征的机制。
• Asymmetrische Synthesen über heterocyclische Zwischenstufen, XVI. Enantioselektive Synthese von α-Alkyl-α-phenylglycinen durch Alkylieren von an C-6 chiral substituierten 3,6-Dihydro-3-phenyl-2H-1,4-oxazin-2-onen
  作者：Wolfgang Hartwig、Ulrich Schöllkopf

  DOI：10.1002/jlac.198219821105

  日期：1982.11.22

  Ausgehend von DL-Phenylglycin und (S)-2-Hydroxyalkansäuren 4 werden die 3,6-Dihydro-3-phenyl-2H-1,4-oxazin-2-one 3 aufgebaut, die an C-6 ein endocyclisches Chiralitätszentrum besitzen. Die Anionen 10 von 3 reagieren mit Alkylhalogeniden an C-3 mit guten chemischen Ausbeuten und mit 50 bis mehr als 95% d. e. (asymmetrische Induktion). Bei der Hydrolyse der Addukte 11 werden die 2-Hydroxyalkansäuren

  从DL-苯基甘氨酸和（S）-2-羟基链烷酸4开始，构建了3,6-二氢-3-苯基-2 H -1,4-恶嗪-2-酮3，它们的内环中心为C-6的手性。阴离子10的3与烷基卤化物反应，在C-3具有良好的化学产率，并用50至95％以上的德（不对称诱导）。在加合物11的水解过程中，释放出2-羟基链烷酸4和旋光的（S）-α-烷基-α-苯基甘氨酸14。
• COMPOUNDS USEFUL AS MODULATORS OF TRPM8
  申请人：SENOMYX, INC.

  公开号：US20150376136A1

  公开（公告）日：2015-12-31

  The present invention includes compounds useful as modulators of TRPM8, such as compounds of Formulae (Ia), (Ib) and (Ic), and the subgenus and species thereof; personal products containing those compounds; and the use of those compounds and the personal products, particularly the use of increasing or inducing chemesthetic sensations, such as cooling or cold sensations.

  本发明包括作为TRPM8调节剂有用的化合物，例如式(Ia)、(Ib)和(Ic)的化合物，以及其亚属和种类；含有这些化合物的个人产品；以及利用这些化合物和个人产品，特别是利用增加或诱导化学感觉，如凉爽或冷感觉。