Pentafluorophenyl trifluoroacetate 三氟乙酸五氟苯酯

规格: 98%
CAS: 14533-84-7
产品编号: H66529
MDL: MFCD00134438
品牌: INFI

缩合剂系列产品

一个氨基酸的氨基与另一个氨基酸的羧基可以缩合成肽,形成的酰胺键在蛋白质化学中称为肽键。目前多肽合成中,主要采用羧基活化方法来完成缩合反应,最早使用的是将羧基活化为酰卤、酰基叠氮、活性酯、对称酸酐以及混合酸酐的方法,但是由于这些条件存在氨基酸消旋、反应试剂危险以及制备比较复杂等问题,后来逐渐被缩合试剂取代。添加缩合剂则无需活化羧基,实验操作简单方便且绿色环保。在众多缩合剂中,磷正离子缩合剂使得非天然氨基酸及有空间位阻的氨基酸顺利的完成多肽合成,卤代试剂例如PyBroP、BOP-Cl适合位阻大的氨基酸合成,避免发生外消旋作用(图一)。缩合剂除了可以合成酰胺以外,还应用于酯的合成,反应条件更加温和并且减少副反应干扰。

图一:Journal of Medicinal Chemistry, 2012, 55(23), 10610-10629

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Chemical NamePerfluorophenyl 2,2,2-trifluoroacetate
Synonym Trifluoroacetic acid pentafluorophenyl ester 三氟乙酸五氟苯酯 五氟苯基三氟乙酸酯
Beilstein Registry Number2003848
MDL NumberMFCD00134438
CAS Number14533-84-7
PubChem Substance ID125307524
Reaxys-RN2003848
EC Number250-023-7
Chemical Name Translation三氟乙酸五氟苯基酯
GHS Symbol
WGK Germany3
Hazard statements
  • H226 Flammable liquid and vapour 易燃液体和蒸气
  • H315 Causes skin irritation 会刺激皮肤
  • H319 Causes serious eye irritation 严重刺激眼睛
  • H335 May cause respiratory irritation 可能导致呼吸道刺激
    Personal Protective Equipment Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter
    Precautionary statements
    • P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. 远离热源/火花/明火/热的表面。——禁止吸烟。
    • P233 Keep container tightly closed. ?保持容器密闭。
    • P240 Ground/bond container and receiving equipment. 与地面接触/连接集装箱和接受设备。
    • P241+P242+P243
    • P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
    • P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
    • P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
    • P302+P352+P332+P313+P362+P364
    • P303+P361+P353
    • P305+P351+P338
    • P305+P351+P338+P337+P313
    • P332+P313
    • P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服,清洗后方可重新使用
    • P403+P235
    • P501 Dispose of contents/container to..… 处理内容物/容器.....
      Signal word Warning
      Hazard Codes 3
      Safety Statements
      • S16 Keep away from sources of ignition - No smoking 远离火源,禁止吸烟;
      • S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后,立即用大量水冲洗并征求医生意见;
      • S36 Wear suitable protective clothing 穿戴适当的防护服;
      • S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护;
      • S37 Wear suitable gloves 戴适当手套;
      • S60 This material and its container must be disposed of as hazardous waste 该物质及其容器必须作为危险废物处置;
        Risk Statements
        • R10 Flammable 易燃
        • R36/37/38 Irritating to eyes, respiratory system and skin 对眼睛、呼吸系统和皮肤有刺激性
          UN Number 3272
          Packing GroupIII
          Storage condition Moisture Sensitive
          Hazard Class3
        • {uni_hamburg} Short: IV/20B
        • Title: Vapor Pressure and Antoine Coefficients for Oxygen Containing Organic Compounds
        • Author: Dykyj, J.; Svoboda, J.; Wilhoit, R.C.; Frenkel, M.; Hall, K.R.
        • Editor: Hall, K.R.
        • Source: Landolt-Börnstein, New Series
        • Volume: IV/20B
        • Year: 2000
        • Keyword: organic compounds; vapor pressure
        • ISBN: 3-540-64968-9
        • ISBN: 978-3-540-64968-7
        • Internet Resource: DOI:10.1007/b71424
        • RefComment: VII, 320 pages.
        • 14533-84-7 H66529 Pentafluorophenyl trifluoroacetate
三氟乙酸五氟苯酯

          化学属性

          Mol. FormulaC8F8O2
          Mol. Weight280
          Refractive index1.3670 to 1.3710
          Density1.63
          Boiling Point122-123
          Flash Point52°C(lit.)
          TSCANo
          Melting Point3-4

          *以上化合物性质及应用等信息仅供参考