179485
4-氧-TEMPO
别名:
4-氧-2,2,6,6-四甲基-1-哌啶氧自由基
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关于此项目
经验公式（希尔记法）:
C9H16NO2
化学文摘社编号:
分子量:
170.23
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352000
EC Number:
220-778-7
MDL number:
Form:
solid
InChI key
WSGDRFHJFJRSFY-UHFFFAOYSA-N
InChI
1S/C9H16NO2/c1-8(2)5-7(11)6-9(3,4)10(8)12/h5-6H2,1-4H3
SMILES string
CC1(C)CC(=O)CC(C)(C)N1[O]
form
solid
functional group
ketone
storage temp.
2-8°C
Quality Level
General description
4-氧代-TEMPO 是由2,2,6,6-四甲基-4-哌啶酮 (4-Oxo-TMP) 与1O2反应生成的。它是 TiO2在水悬浮液中辐照时形成的稳定的顺磁性产物。
Application
以 4-氧代-TEMPO 为氮氧化物标准品，用 ESR 波谱研究了 TiO2 在乙醇中光激反应生成单重态氧的过程。它可作为自由基极化剂用于动态核极化 (DNP) 研究。
自由基氮氧化物自旋探针通常用于：
- 锂二次电池阳极氧化还原源的研究
- 自由基生物学研究
- 自由基自旋俘获
- 电子顺磁共振研究
- 聚合物化学和合成应用
Maria-Teresa Türke et al.
Physical chemistry chemical physics : PCCP, 12(22), 5893-5901 (2010-05-11)
Dynamic nuclear polarization is emerging as a potential tool to increase the sensitivity of NMR aiming at the detection of macromolecules in liquid solution. One possibility for such an experimental design is to perform the polarization step between electrons and
R Konaka et al.
Redox report : communications in free radical research, 6(5), 319-325 (2002-01-10)
We previously reported that irradiation of titanium dioxide (TiO2) in ethanol generates both singlet oxygen (1O2) and superoxide anion (O2*-) as measured by EPR spectroscopy. The present study describes the production of reactive oxygen species upon irradiation of TiO2 in
Tsai-Mu Cheng et al.
Materials science & engineering. C, Materials for biological applications, 114, 111064-111064 (2020-10-01)
P-selectin overexpressed on activated endothelial cells and platelets is a new target for treatment of cancers and cardiovascular diseases such as atherosclerosis and thrombosis. In this study, depolymerized low molecular weight fucoidan (LMWF8775) and a thermolysin-hydrolyzed protamine peptide (TPP1880) were
Jingyao Zhang et al.
Shock (Augusta, Ga.), 52(1), 92-101 (2018-07-22)
The aim of the present study was to investigate the effect of cold atmospheric discharge plasma-activated saline (DPAS) on abdominal sepsis. For in vitro research, Methicillin-resistant Staphylococcus aureus (MRSA) was treated with DPAS, and the survival was detected. For in
Impact of Gd3+ on DNP of [1-13C] pyruvate doped with trityl OX063, BDPA, or 4-oxo-TEMPO.
Lumata L, et al.
The Journal of Physical Chemistry A, 116(21), 5129-5138 (2012)
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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