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Sigma-Aldrich

4-甲氧基-四甲基哌啶氧自由基

97%

同義詞:

4-甲氧基-2,2,6,6-四甲基-1-哌啶氧自由基

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About This Item

經驗公式（希爾表示法）:
C10H20NO2
CAS號碼:
95407-69-5
分子量：:
186.27
MDL號碼:
MFCD00270334
分類程式碼代碼:
12352000
PubChem物質ID:
24873570
NACRES:
NA.22
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化驗

97%

mp

40.5-44 °C (lit.)

儲存溫度

2-8°C

SMILES 字串

COC1CC(C)(C)N([O])C(C)(C)C1

InChI

1S/C10H20NO2/c1-9(2)6-8(13-5)7-10(3,4)11(9)12/h8H,6-7H2,1-5H3

InChI 密鑰

SFXHWRCRQNGVLJ-UHFFFAOYSA-N

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一般說明

4-甲氧基-TEMPO（4-甲氧基-2,2,6,6-四甲基-1-哌啶基氧基）是通常用于醇（伯/仲）的氧化反应的氨基甲苯基自由基。[1]它已被提出作为受阻胺光稳定剂（HALS）模型化合物。通过电子自旋共振（ESR）和电喷雾电离质谱（ESI-MS）研究了其与光催化纳米二氧化钛的辐照稀释悬浮液的反应。[2]

應用

4-甲氧基-TEMPO 在通过有氧氧化反应合成 2-取代的苯并恶唑的过程中可用作催化剂。[1]

儲存類別代碼

11 - Combustible Solids

水污染物質分類（WGK）

WGK 3

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves

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分析證明 (COA)

Lot/Batch Number
MKCP9346
MKCF9039
MKBV5698V
MKBP4321V
MKBF2758V

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Y C Liu et al.
Science in China. Series B, Chemistry, life sciences & earth sciences, 32(8), 937-947 (1989-08-01)
The kinetics of reduction of nitroxides including 4-hydroxy-TEMPO, 4-methoxy-TEMPO and 4-hexanoyloxy-TEMPO, which are of different lipophilicities, by vitamin C in cationic, non-ionic and anionic micelles, i.e. CTAB, Triton X-100 and SDS, respectively, have been studied by FSR spectroscopy by a
Kevin M Church et al.
Nucleosides, nucleotides & nucleic acids, 23(11), 1723-1738 (2004-12-16)
Our work outlines the use of oxoammonium salts in a formal 1,2 addition process to olefins giving nucleoside analogs as products. Specifically, oxoammonium salts can be added to a solution of olefin and silylated heterocycle to give Methoxy TEMPO substituted
Efficient aerobic oxidative synthesis of 2-substituted benzoxazoles, benzothiazoles, and benzimidazoles catalyzed by 4-methoxy-TEMPO.
Yong-Xing Chen et al.
Angewandte Chemie (International ed. in English), 47(48), 9330-9333 (2008-10-31)
Xican Li et al.
Molecules (Basel, Switzerland), 24(11) (2019-05-31)
To probe the effect of 3',8″-dimerization on antioxidant flavonoids, acacetin and its 3',8″-dimer isoginkgetin were comparatively analyzed using three antioxidant assays, namely, the ·O2- scavenging assay, the Cu2+ reducing assay, and the 2,2'-azino bis(3-ethylbenzothiazolin-6-sulfonic acid) radical scavenging assay. In these
David L Marshall et al.
Organic & biomolecular chemistry, 9(13), 4936-4947 (2011-05-21)
Potenital pathways for the deactivation of hindered amine light stabilisers (HALS) have been investigated by observing reactions of model compounds--based on 4-substituted derivatives of 2,2,6,6-tetramethylpiperidine-N-oxyl (TEMPO)--with hydroxyl radicals. In these reactions, dilute aqueous suspensions of photocatalytic nanoparticulate titanium dioxide were
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文章

TEMPO催化氧化

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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