N-t-butoxycarbonyl-N-methyl-L-leucine | 53363-89-6

• 物质功能分类: 生物化工 - 氨基酸及其衍生物 - 亮氨酸类衍生物
• 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
• 英文名称: N-t-butoxycarbonyl-N-methyl-L-leucine
• 英文别名: Boc-N-methyl-L-leucine；N-tert-butoxycarbonyl-N-methyl-L-leucine；Boc-NMe-L-Leu-OH；Boc-N-Me-Leu-OH；(S)-2-((tert-butoxycarbonyl)(methyl)amino)-4-methylpentanoic acid；N^α-BOC-N^α-Me-leucine；Nα-t-butyloxycarbonyl-Nα-methyl-L-leucine；N-Me-Boc-Leu-OH；Boc-MeLeu-OH；(2S)-4-methyl-2-[methyl-[(2-methylpropan-2-yl)oxycarbonyl]amino]pentanoic acid
• CAS: 53363-89-6
• 化学式: C₁₂H₂₃NO₄
• 分子量: 245.319
• InChiKey: YXJFAOXATCRIKU-VIFPVBQESA-N

物化性质

• 熔点：
  55-60 °C
• 沸点：
  338.2±21.0 °C(Predicted)
• 密度：
  1.053±0.06 g/cm3(Predicted)

计算性质

• 辛醇/水分配系数(LogP)：
  2.4
• 重原子数：
  17
• 可旋转键数：
  6
• 环数：
  0.0
• sp3杂化的碳原子比例：
  0.83
• 拓扑面积：
  66.8
• 氢给体数：
  1
• 氢受体数：
  4

安全信息

• 危险等级：
  IRRITANT
• WGK Germany：
  3
• 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：
  存储于室温下。

SDS

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Section 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE
Product identifiers
Product name : Boc-N-Me-Leu-OH
CAS-No. : 53363-89-6
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
Not a hazardous substance or mixture according to Regulation (EC) No. 1272/2008.
Not a hazardous substance or mixture according to EC-directives 67/548/EEC or 1999/45/EC.
Label elements
Caution - substance not yet tested completely.
Other hazards - none

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Section 3. COMPOSITION/INFORMATION ON INGREDIENTS
Substances
Synonyms : Boc-N-methyl-L-leucine
Formula : C12H23NO4
Molecular Weight : 245,32 g/mol

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Section 4. FIRST AID MEASURES
Description of first aid measures
If inhaled
If breathed in, move person into fresh air. If not breathing, give artificial respiration.
In case of skin contact
Wash off with soap and plenty of water.
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.
Most important symptoms and effects, both acute and delayed
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)
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
Avoid dust formation. Avoid breathing vapors, mist or gas.
Environmental precautions
Do not let product enter drains.
Methods and materials for containment and cleaning up
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
Provide appropriate exhaust ventilation at places where dust is formed.Normal measures for preventive fire
protection.
Conditions for safe storage, including any incompatibilities
Store in cool place. Keep container tightly closed in a dry and well-ventilated place.
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
General industrial hygiene practice.
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).

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Section 9. PHYSICAL AND CHEMICAL PROPERTIES
Information on basic physical and chemical properties
a) Appearance Form: crystalline
Colour: beige
b) Odour no data available
c) Odour Threshold no data available
d) pH no data available
e) Melting point/freezing Melting point/range: 55 - 60 °C
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) 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
no data available
Specific target organ toxicity - repeated exposure
no data available
Aspiration hazard
no data available
Potential health effects
Inhalation
May be harmful if inhaled. May cause respiratory tract irritation.
Ingestion May be harmful if swallowed.
Skin May be harmful if absorbed through skin. May cause skin irritation.
Eyes May cause eye irritation.
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.
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
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
no data available

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Section 16. OTHER INFORMATION
Further information
Copyright 2012 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.

制备方法与用途

Boc-N-Me-Leu-OH 是一种亮氨酸衍生物。

反应信息

• 作为反应物：
  描述：

  N-t-butoxycarbonyl-N-methyl-L-leucine 在 盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下， 以 四氢呋喃 、 二氯甲烷 、 苯 为溶剂， 反应 12.25h， 生成 (S)-5-isobutyl-1-methyl-3-phenethylimidazolidin-4-one
  参考文献：
  名称：

  N,N′-Methyleno-didemnin A from the AscidianTrididemnum solidum. Complete NMR Assignments and Confirmation of the Imidazolidinone Ring by Strategic Analysis of¹J_CH

  摘要：

  The complete NMR assignments of N,N'-methylenodidemnin :A from Trididemnum solidum Van Name 1902 are reported along with a strategic analysis (1)J(CH) Coupling constants that confirm the presence of the imidazolidinone ring.

  DOI：

  10.1021/np100846s
• 作为产物：
  描述：

  L-亮氨酸 在 sodium hydride 、 sodium hydroxide 作用下， 以 四氢呋喃 、 水 、 mineral oil 为溶剂， 反应 24.25h， 生成 N-t-butoxycarbonyl-N-methyl-L-leucine
  参考文献：
  名称：

  d-氨基酸位置影响Galaxamide类似物的抗癌活性：细胞凋亡机制研究。

  摘要：

  Galaxamide是一种来自Galaxaurafilosa的提取物，是一种含有五种l-亮氨酸的环状五肽。由于特殊的环状结构和优异的抗癌活性，Galaxamide及其类似物的合成及其后续的生物应用引起了极大的关注。在目前的工作中，我们通过用苯丙氨酸代替一个亮氨酸取代了一个L-亮氨酸，并改变了d-氨基酸的位置，从而合成了六个Galaxamide类似物。测试了合成的Galaxamide类似物对四种体外人类癌细胞系，人类肝细胞细胞（HepG2），人类乳腺癌细胞（MCF-7），人类乳腺癌细胞（MDA-MB-435）的抗癌作用。宫颈癌细胞系（Hela）。结果表明，具有不同d-氨基酸位置的Galaxamide类似物显示出独特的抗癌潜力。在位置5（Analog-6）上含有d-氨基酸的Galaxamide类似物具有最强的抗癌活性。机制研究表明，Analog-6可能通过抑制HepG2细胞在细胞周期亚G1期的

  DOI：

  10.3390/ijms18030544
• 作为试剂：
  描述：

  CBZ-L-赖氨酸甲酯盐酸盐 、 氯甲酸乙酯 在 TEA 、 N-t-butoxycarbonyl-N-methyl-L-leucine 作用下， 以 四氢呋喃 为溶剂， 生成 EtOCO-Lys(Z)-OMe
  参考文献：
  名称：

  Chen, Francis M. F.; Lee, Young; Steinauer, Rene, Canadian Journal of Chemistry, 1987, vol. 65, p. 613 - 618

  摘要：

  DOI：

文献信息

• Bis(2-oxo-3-oxazolidinyl)phosphinic chloride (1) as a coupling reagent for N-alkyl amino acids
  作者：Roger D. Tung、Daniel H. Rich

  DOI：10.1021/ja00300a051

  日期：1985.7

  Le reactif du titre permet la formation de liaisons N-alkyl peptidiques avec un minimum de racemisation; exemples de copulations de BocMeX−OH et de MeY−OBzl (X et Y=Leu ou Val)

  Le reactif du titre permet laforming de liaisons N-alkyl peptidiques avec un minimum deracemisation; 示例 de copulations de BocMeX−OH et de MeY−OBzl (X et Y=Leu ou Val)
• Total synthesis of proposed structure of coibamide A, a highly N- and O-methylated cytotoxic marine cyclodepsipeptide
  作者：Wei He、Hai-Bo Qiu、Yi-Jie Chen、Jie Xi、Zhu-Jun Yao

  DOI：10.1016/j.tetlet.2014.09.047

  日期：2014.10

  Total synthesis of the originally proposed structure of coibamide A, a highly N- and O-methylated cytotoxic marine cyclodepsipeptide, has been accomplished by using a [(4+1)+3+3]-peptide fragment-coupling strategy and careful examination and optimization of the multiple dense N-methylated amide-bond formations. The synthetic sample of the proposed coibamide A could not match the natural product in

  通过使用[（4 + 1）+ 3 + 3]-肽片段偶联策略并仔细检查和完成对coibamide A（一种高度N和O-甲基化的细胞毒性海洋环二肽）最初提出的结构的全合成。优化了多个致密的N-甲基化酰胺键的形成。拟议中的coibamide A的合成样品在1 H和13 C NMR光谱中均无法与天然产物匹配，但发现其对三种测试癌细胞的增殖表现出较低的微摩尔细胞毒性。
• Novel diarylalkene derivatives and novel diarylalkane derivatives
  申请人：AJINOMOTO CO., INC.

  公开号：US20040167118A1

  公开（公告）日：2004-08-26

  The invention relates to a compound represented by the following general formula (1) or its analogue, which selectively inhibit N-type calcium channels or its analogue, and to a method for treating pain etc. comprising the compound represented by the following general formula (1) or its analogue to a patient in need of such treatment: 1 wherein, A represents CH═CH, etc., a, b, c and d represents CH etc., R1, R2, R3, R4, R5 and R6 represents H etc., V—W represents C═C, etc., n represents 0 to 3, Y1 represents O etc., B represents —(CH2)vCHR21 wherein v is 0 to 3, R21 represents H, a lower alkyl group or the like, etc., G represents —CO—, a covalent bond, etc., m is 0 to 6, R7 and R8 represents H, a lower alkyl group, —COR18a, —COOR20 wherein R18a and R20 each represents a lower alkyl group or the like, etc.

  该发明涉及以下一般式（1）或其类似物所代表的化合物，该化合物选择性地抑制N型钙通道或其类似物，并涉及将该一般式（1）或其类似物所代表的化合物用于需要此类治疗的患者的治疗方法： 1 其中，A代表CH═CH等，a、b、c和d代表CH等，R1、R2、R3、R4、R5和R6代表H等，V—W代表C═C等，n代表0至3，Y1代表O等，B代表—(CH2)vCHR21，其中v为0至3，R21代表H、较低的烷基基团或类似物等，G代表—CO—、共价键等，m为0至6，R7和R8代表H、较低的烷基基团、—COR18a、—COOR20，其中R18a和R20各自代表较低的烷基基团或类似物等。
• [EN] ANTHELMINTIC DEPSIPEPTIDE COMPOUNDS<br/>[FR] COMPOSÉS DEPSIPEPTIDIQUES ANTHELMINTHIQUES
  申请人：MERIAL INC

  公开号：WO2018093920A1

  公开（公告）日：2018-05-24

  The present invention provides cyclic depsipeptide compounds of formula (I) wherein the stereochemical configuration of at least one carbon atom bearing the groups Cy1, Cy2, R1, R2, R3, R4, Ra and Rb is inverted compared with the naturally occurring cyclic depsipeptide PF1022A. The invention also provides compositions comprising the compounds that are effective against parasites that harm animals. The compounds and compositions may be used for combating parasites in or on mammals and birds. The invention also provides for an improved method for eradicating, controlling and preventing parasite infestation in birds and mammals.

  本发明提供了公式（I）的环状脱氨肽化合物，其中至少一个碳原子的立体化学构型与自然存在的环状脱氨肽PF1022A的基团Cy1、Cy2、R1、R2、R3、R4、Ra和Rb相比发生了倒置。该发明还提供了包含这些化合物的组合物，对危害动物的寄生虫具有有效性。这些化合物和组合物可用于对抗哺乳动物和鸟类体内或体表的寄生虫。该发明还提供了一种改进的方法，用于根除、控制和预防鸟类和哺乳动物的寄生虫感染。
• NOVEL SUBSTITUTED OCTAHYDROCYCLOPENTA[C]PYRROL-4-AMINES AS CALCIUM CHANNEL BLOCKERS
  申请人：Stewart Andrew O.

  公开号：US20100130558A1

  公开（公告）日：2010-05-27

  The present application relates to calcium channel inhibitors containing compounds of formula (I) wherein L 1 , L 2 , R 1 , R 2 , and R 3 are as defined in the specification. The present application also relates to compositions comprising such compounds, and methods of treating conditions and disorders using such compounds and compositions.

  本申请涉及含有式（I）化合物的钙通道抑制剂，其中L1、L2、R1、R2和R3如规范中所定义。本申请还涉及包含这种化合物的组合物，以及使用这种化合物和组合物治疗疾病和疾病的方法。