L-天冬氨酸-1-叔丁酯 | 4125-93-3

• 物质功能分类: 生物化工 - 氨基酸及其衍生物 - 天冬氨酸类衍生物
• 分子结构分类: 有机化合物 - 有机酸及其衍生物 - 羧酸及其衍生物
• 中文名称: L-天冬氨酸-1-叔丁酯
• 中文别名: L-天冬氨酸叔丁脂；H-Asp-OtBu
• 英文名称: H-Asp-OtBu
• 英文别名: (S)-3-amino-4-(tert-butoxy)-4-oxobutanoic acid；Asp(OH)-OtBu；(3S)-3-amino-4-[(2-methylpropan-2-yl)oxy]-4-oxobutanoic acid
• CAS: 4125-93-3
• 化学式: C₈H₁₅NO₄
• 分子量: 189.211
• InChiKey: PUWCNJZIFKBDJQ-YFKPBYRVSA-N

物化性质

• 熔点：
  180-181 °C (decomp)
• 沸点：
  297.8±30.0 °C(Predicted)
• 密度：
  1.162±0.06 g/cm3(Predicted)
• 溶解度：
  可溶于甲醇（加热、超声处理）、水（少量）

计算性质

• 辛醇/水分配系数(LogP)：
  -1.9
• 重原子数：
  13
• 可旋转键数：
  4
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.75
• 拓扑面积：
  94.1
• 氢给体数：
  1
• 氢受体数：
  4

安全信息

• 海关编码：
  2922509090
• 危险性防范说明：
  P261,P305+P351+P338
• 危险性描述：
  H302,H315,H319,H335
• 储存条件：
  存储温度应保持在0°C。

SDS

Material Safety Data Sheet

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Section 1. Identification of the substance
Product Name: H-Asp-OtBu
Synonyms: (S)-3-amino-4-tert-butoxy-4-oxobutanoic acid

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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: H-Asp-OtBu
CAS number: 4125-93-3

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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: C8H15NO4
Molecular weight: 189.2

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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

H-Asp-OtBu是一种天冬氨酸衍生物。

反应信息

• 作为反应物：
  描述：

  L-天冬氨酸-1-叔丁酯 在 碘 、 碳酸氢钠 、 (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate 、 caesium carbonate 、 N,N-二异丙基乙胺 、 三苯基膦 作用下， 以 四氢呋喃 、 1,4-二氧六环 、 二氯甲烷 、 水 、 乙腈 为溶剂， 反应 3.17h， 生成 ditert-butyl (2S)-2-[[(3S)-4-[(2-methylpropan-2-yl)oxy]-4-oxo-3-(phenylmethoxycarbonylamino)butyl]-[(2,2,5,7,8-pentamethyl-3,4-dihydrochromen-6-yl)sulfonyl]amino]pentanedioate
  参考文献：
  名称：

  The crystallographic structure of thermoNicotianamine synthase with a synthetic reaction intermediate highlights the sequential processing mechanism

  摘要：

  我们确定了一个古菌烟酸合成酶同源物与化学合成的反应中间体之间的三维结构。该结构表明，酶的腔室既允许有序的底物结合，又为反应中间体的形成和转运提供了能量耦合。

  DOI：

  10.1039/c1cc10565e
• 作为产物：
  描述：

  芴甲氧羰基-L-天冬氨酸-1-叔丁酯 在 哌啶 作用下， 以 N,N-二甲基甲酰胺 为溶剂， 反应 0.33h， 生成 L-天冬氨酸-1-叔丁酯
  参考文献：
  名称：

  Conjugates for cancer therapy and diagnosis

  摘要：

  本发明涉及药物与氨基酸或氨基酸衍生物或类似物的结合物、包括该结合物的药物组合物以及使用方法。具体来说，本发明涉及抗增殖药物与天冬氨酸、谷氨酸及其类似物的结合物作为治疗癌症的组合物，以及影像剂载体与氨基酸的结合物用于肿瘤和转移瘤的诊断。

  公开号：

  US20070072800A1

文献信息

• Water soluble multi-biotin-containing compounds
  申请人：Wilbur Scott D.

  公开号：US20060228325A1

  公开（公告）日：2006-10-12

  Water-soluble discrete multi-biotin-containing compounds with at least three (3) biotin moieties are disclosed. The water-soluble biotin-containing compounds may additionally comprise one or more moieties that confer resistance to cleavage by biotinidase or that is cleavable in vitro or in vivo. The discrete multi-biotin-containing compounds may include a reactive moiety that provides a site for reaction with yet another moiety, such as a targeting, diagnostic or therapeutic functional moiety. Biotinylation reagents comprising water-soluble linker moieties are also disclosed and may additionally comprise a biotinidase protective group. Methods for amplifying the number of sites for binding biotin-binding proteins at a selected target using multi-biotin compounds also are disclosed.

  可溶于水的离散多生物素含有化合物，至少含有三个（3）生物素基团。这些可溶于水的生物素含有化合物可能还包括一个或多个使其对生物素酶的裂解具有抗性的基团，或者在体外或体内可被裂解的基团。这些离散的多生物素含有化合物可能包括一个反应性基团，提供与另一个基团（如靶向、诊断或治疗功能基团）反应的位点。还公开了包含可溶于水的连接基团的生物素化试剂，可能还包括生物素酶保护基团。还公开了使用多生物素化合物扩增在选定靶点上结合生物素结合蛋白的位点数量的方法。
• [EN] NOVEL HISTONE METHYLTRANSFERASE INHIBITORS<br/>[FR] NOUVEAUX INHIBITEURS D'HISTONE MÉTHYLTRANSFÉRASES
  申请人：UNIV FREIBURG ALBERT LUDWIGS

  公开号：WO2021053158A1

  公开（公告）日：2021-03-25

  The present invention relates to novel compounds of formula (I) as defined herein. The compounds are inhibitors of histone methyltransferases of the seven-beta-strand family, in particular of KMT9.

  本发明涉及式(I)定义的新的化合物。这些化合物是七-β-链家族组蛋白甲基转移酶的抑制剂，特别是KMT9的抑制剂。
• Chemoselective peptide bond formation using formyl-substituted nitrophenylthio ester
  作者：Akihiro Ishiwata、Tsuyoshi Ichiyanagi、Maki Takatani、Yukishige Ito

  DOI：10.1016/s0040-4039(03)00471-4

  日期：2003.4

  A novel method for peptide bond formation utilizing amino acid 2-formyl-4-nitrophenylthio ester has been developed. The reaction can be performed in water-containing media and is compatible with various types of amino acid side-chain functional groups. Use of N-methylmaleinimide as an additive is essential for the reaction to proceed with high efficiency. It captures liberated formyl-substituted thiophenol

  已经开发出一种利用氨基酸2-甲酰基-4-硝基苯硫基酯形成肽键的新方法。该反应可以在含水介质中进行并且与各种类型的氨基酸侧链官能团相容。使用N-甲基马来酰亚胺作为添加剂对于反应以高效率进行是必不可少的。它通过1，4-加成，然后醛醇环化，捕获释放的甲酰基取代的苯硫酚。
• [EN] MACROCYCLIC PEPTIDES USEFUL AS IMMUNOMODULATORS<br/>[FR] PEPTIDES MACROCYCLIQUES UTILES COMME IMMUNOMOLDULATEURS
  申请人：BRISTOL MYERS SQUIBB CO

  公开号：WO2016077518A1

  公开（公告）日：2016-05-19

  The present disclosure provides compounds which are immunomodulators and thus are useful for the amelioration of various diseases, including cancer and infectious diseases.

  本公开提供了一些免疫调节剂化合物，因此对于改善各种疾病，包括癌症和传染病，具有用处。
• Direct Access to L-Azetidine-2-carboxylic Acid
  作者：M'barek Bouazaoui、Jean Martinez、Florine Cavelier

  DOI：10.1002/ejoc.200900233

  日期：2009.6

  A straightforward synthesis of L-azetidine-2-carboxylic acid is described, leading to both orthogonally protected versions or totally deprotected L-Aze. The starting material is a commercially available aspartic acid derivative, whose chirality is conserved. The (2-trimethylsilyl)ethanesulfonyl protecting group (SES) acts as a leaving group on the hydroxy function and serves as an activator for the

  描述了 L-氮杂环丁烷-2-羧酸的直接合成，导致正交保护的版本或完全脱保护的 L-Aze。起始材料是市售的天冬氨酸衍生物，其手性是守恒的。(2-三甲基甲硅烷基)乙磺酰基保护基团 (SES) 作为羟基官能团的离去基团，并作为胺官能团的活化剂，这是反应的关键步骤。(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)