382000
4-羧基-TEMPO 自由基
97%
别名:
4-羧基-2,2,6,6-四甲基哌啶 1-氧基, 4-羧基-2,2,6,6-四甲基哌啶氧自由基, 4-羧基-TEMPO
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关于此项目
经验公式（希尔记法）:
C10H18NO3
化学文摘社编号:
分子量:
200.25
Beilstein:
3949026
MDL编号:
UNSPSC代码:
12352000
PubChem化学物质编号:
NACRES:
NA.22
一般描述
4-羧基-TEMPO 是 4-取代的 2,2,6,6-四甲基哌啶基-1-氧 (TEMPO) 衍生物。4-羧基-TEMPO 与 3-氨基丙基硅烷固定在介孔二氧化硅表面，组成多相催化系统，用于各种氧化反应。
应用
4-羧基-TEMPO 可用作将再生纤维素（粘胶纤维）氧化为纤维素酸的催化剂。
警示用语：
Warning
危险声明
危险分类
Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3
靶器官
Respiratory system
储存分类代码
11 - Combustible Solids
WGK
WGK 3
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Gloves
历史批次信息供参考:
分析证书(COA)
Lot/Batch Number
Kazuyuki Hosokawa et al.
Free radical biology & medicine, 37(7), 946-952 (2004-09-01)
Three water-soluble carboxy nitroxide antioxidants, 5-carboxy-1,1,3,3-tetramethylisoindolin-2-yloxyl, 4-carboxy-2,2,6,6-tetramethylpiperidin-1-yloxyl, and 3-carboxy-2,2,5,5-tetramethylpyrrolidin-1-yloxyl, show significant impact on the postirradiation survival rates of ataxia telangiectasia (A-T) cells compared to normal cells, an assay which represents a model for understanding the impact of ROS damage on
J L Lamarque et al.
European journal of radiology, 6(1), 48-52 (1986-02-01)
The meglumine salt of TCA, a piperidinyl nitroxide stable free radical derivative, was tested as an NMR contrast enhancer. This report of its use in animals indicates its usefulness in the enhancement of signal intensity of the kidney and bladder.
Nitroxide-mediated oxidation of cellulose using TEMPO derivatives: HPSEC and NMR analyses of the oxidized products.
Shibata I and Isogai A.
Cellulose, 10(4), 335-341 (2003)
X Yang et al.
Biophysical journal, 71(3), 1587-1595 (1996-09-01)
Electron paramagnetic resonance spectroscopy and gel permeation chromatography were employed to study the molecular diffusion of a number of small nitroxide spin probes (approximately 7-9 A diameter) into the central cavity of the iron-storage protein ferritin. Charge and polarity of
Comparison of two MCM-41 grafted TEMPO catalysts in selective alcohol oxidation.
Brunel D, et al.
Applied Catalysis A: General, 213(1), 73-82 (2001)
商品
TEMPO（2,2,6,6-四甲基哌啶氧基或2,2,6,6-四甲基哌啶1-氧基）及其衍生物在有机氧化反应催化剂中可以作为稳定的硝酰基使用。TEMPO由Lebedev和Kazarnovskii于1960年发现，其具有的稳定自由基性质得益于其庞大的取代基团阻碍了自由基与其他分子之间发生反应。
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