2517-04-6

• 常用中文名：氮杂环丁烷-2-羧酸
• 常用英文名：Azetidine-2-carboxylic acid
• CAS号：2517-04-6
• 分子式：C₄H₇NO₂
• 分子量：101.104
• 相关类别： 生物化工 常见氨基酸及蛋白质类药
• 发布时间：2018-09-18 07:51:50
• 更新时间：2024-01-06 21:18:16
• Azetidine-2-carboxylic acid是脯氨酸的非蛋白原氨基酸同系物。 可以在常见的甜菜中找到。 在许多物种(包括人类)中,它可以错误地掺入蛋白质中代替脯氨酸。 致毒和致畸剂[1][2]。

名称

• 中文名: L-铃兰氨酸
• 英文名: azetidine-2-carboxylic acid
• 中文别名: 2-氮杂环丁烷甲酸; 氮杂环丁烷-2-羧酸
• 英文别名: Azetidine-2-carboxylic acid; (±)-2-Azetidinecarboxylic Acid; UNII:775261TI36; 2-Azetidinecarboxylic acid; 2-azetidine-carboxylic acid; 2-carboxyazetidine; azetidinecarboxylic acid; azethidine-2-carboxylic acid; 1-AZETIDINESULFONAMIDE; azetidine-1-sulphonamide; EINECS 219-740-2

物化性质

• 密度: 1.3±0.1 g/cm3
• 沸点: 242.0±33.0 °C at 760 mmHg
• 熔点: 217°C (rough estimate)
• 分子式: C₄H₇NO₂
• 分子量: 101.104
• 闪点: 100.1±25.4 °C
• 精确质量: 101.047676
• PSA: 49.33000
• LogP: -0.83
• 蒸汽压: 0.0±1.0 mmHg at 25°C
• 折射率: 1.499
• 储存条件: 室温，干燥
• 稳定性:

  1. 存在于烟叶中。

  2. 对无机酸不稳定。

• 分子结构:

  1、 摩尔折射率：23.29

  2、 摩尔体积（cm³/mol）：79.2

  3、 等张比容（90.2K）：208.9

  4、 表面张力（dyne/cm）：48.2

  5、 极化率（10-24cm3）：9.23

• 更多:

  1. 溶解性：溶于冷水和热水，几乎不溶于绝对乙醇。

  2. 沸点（ºC）：252.2

  3. 熔点（ºC）：217（dec）

  4. 闪点（ºC）：106.3

  5. 相对密度(d²⁰₄₎ ：1.186

  6. 折射率_(n²⁰_D)：1.499

生物活性

• 描述: Azetidine-2-carboxylic acid是脯氨酸的非蛋白原氨基酸同系物。 可以在常见的甜菜中找到。 在许多物种(包括人类)中,它可以错误地掺入蛋白质中代替脯氨酸。 致毒和致畸剂[1][2]。
• 相关类别:
  信号通路 >> 其他 >> 其他
  研究领域 >> 癌症
  天然产物 >> 其他
• 体外研究: 将氮杂环丁烷-2-羧酸(每天375-5ooμg)掺入鸡胚软骨体外合成的胶原中[3]。
• 参考文献:

  [1]. Rubenstein E, et al. Azetidine-2-carboxylic acid in the food chain. Phytochemistry. 2009 Jan;70(1):100-4.

  [2]. Rubenstein E, et al. Misincorporation of the proline analog azetidine-2-carboxylic acid in the pathogenesis of multiple sclerosis: a hypothesis. J Neuropathol Exp Neurol. 2008 Nov;67(11):1035-40.

  [3]. Lane JM, et al. Effect of the proline analogue azetidine-2-carboxylic acid on collagen synthesis in vivo. I. Arrest of collagen accumulation in growing chick embryos. Biochim Biophys Acta. 1971 Jun 29;236(3):517-27.

MSDS

Material Safety Data Sheet Section1. Identification of the substance Azetidine-2-carboxylic acid Product Name: Synonyms: Section2. Hazards identification Harmful by inhalation, in contact with skin, and if swallowed. H302:Harmful if swallowed H318:Causes serious eye damage P280:Wear protective gloves/protective clothing/eye protection/face protection P305+P351+P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses if present and easy to do – continue rinsing Section3. Composition/information on ingredients. Ingredient name:Azetidine-2-carboxylic acid CAS number:2517-04-6 Section4. 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. Section5. 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. Section6. 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. Section7. Handling and storage This product should be handled only by, or under the close supervision of, those properly qualified Handling: 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. Storage:Store in closed vessels, refrigerated. Section8. 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. Section9. Physical and chemical properties Appearance:Not specified Boiling point:No data Melting point:No data Flash point:No data Density:No data Molecular formula: C4H7NO2 Molecular weight: 101.1 Section10. Stability and reactivity Conditions to avoid: Heat, flames and sparks. Materials to avoid: Oxidizing agents. Possible hazardous combustion products: Carbon monoxide, nitrogen oxides. Section11. Toxicological information No data. Section12. Ecological information No data. Section13. 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. Section14. Transportation information Non-harzardous for air and ground transportation. Section15. 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. SECTION 16 - ADDITIONAL INFORMATION N/A

安全

• 危害码 (欧洲): Xi
• 海关编码: 2933990090

合成路线

22742-42-3 ~% 2517-04-6

文献：Tetrahedron Asymmetry, , vol. 3, # 7 p. 859 - 862

39897-13-7 ~% 2517-04-6

文献：Journal of Medicinal Chemistry, , vol. 39, # 4 p. 817 - 825

56-12-2 ~% 2517-04-6

文献：Biochemical Journal, , vol. 64, p. 323,330

上下游产品

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海关

海关编码	2933990090
中文概述	2933990090. 其他仅含氮杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
申报要素	品名, 成分含量, 用途, 乌洛托品请注明外观, 6－己内酰胺请注明外观, 签约日期
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%