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일반 설명
4-Hydroxy-TEMPO is a 4-substituted 2,2,6,6-tetramethylpiperidyl-1-oxy (TEMPO) derivative. It is a low-molecular weight compound and has been proposed as superoxide dismutase mimic.
애플리케이션
4-Hydroxy-TEMPO (HO-TEMPO) may be employed as catalyst for the oxidation of alcohols to the corresponding aldehydes. It may be employed for the preparation of TEMPO based polymer catalyst systems, which are useful for the Anelli oxidation of various primary alcohols. It may be used as starting reagent in the synthesis of 4-(2,2,6,6-tetramethyl-1-oxyl-4-piperidoxyl)butyl bromide.
A fluorous-tagged TEMPO derivative was prepared from the derived TEMPO propargylic ether and subsequent "click" reaction with a fluorous azide. This TEMPO derivative proved to be a highly effective catalyst in the oxidation of alcohols with bleach.
Spin label for studying biological compounds and polymers.
Spin label reagent used in the chatacterization of antagonist and agonist binding sites of NK1 receptor. Also used to measure reactive oxygen generation in heart muscle by electron spin resonance spectroscopy. Cells that overexpress CYP2E1 can be protected from arachidonic acid toxicity damage by TEMPOL.
신호어
Danger
유해 및 위험 성명서
Hazard Classifications
Acute Tox. 4 Oral - Eye Dam. 1 - STOT RE 2 Oral
표적 기관
Liver,spleen
Storage Class Code
11 - Combustible Solids
WGK
WGK 1
Flash Point (°F)
294.8 °F - DIN 51758
Flash Point (°C)
146 °C - DIN 51758
개인 보호 장비
dust mask type N95 (US), Eyeshields, Gloves
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시험 성적서(COA)
이미 열람한 고객
International journal of pancreatology : official journal of the International Association of Pancreatology, 18(2), 153-160 (1995-10-01)
Rats develop acute pancreatitis when infused iv for 3 h with cerulein (10 micrograms/kg/h). Autopsies of the pancreas seen by light microscope show interstitial edema, acinar cells vacuolization, and leukocyte margination in pancreatic capillaries; under electron microscope, severe damage concerning
Technical production of aldehydes by continuous bleach oxidation of alcohols catalyzed by 4-hydroxy-TEMPO.
Organic Process Research & Development, 9(5), 577-582 (2005)
Free radical research communications, 19 Suppl 1, S171-S176 (1993-01-01)
A method was designed to detect free radicals in circulating blood of animals using extracorporeal circulation and electron paramagnetic resonance (EPR). An arterial-venous shunt was inserted into male Wistar rats between the distal abdominal aorta and the inferior vena cava.
Medical Science Research, 21, 401-401 (1993)
Journal of Polymer Science. Part B, Polymer Physics, 31, 1885-1885 (1993)
문서
TEMPO (2,2,6,6-Tetramethylpiperidinyloxy or 2,2,6,6-Tetramethylpiperidine 1-oxyl) and its derivatives are stable nitroxy radicals used as catalysts in organic oxidation reactions. TEMPO was discovered by Lebedev and Kazarnovskii in 1960. The stable free radical nature of TEMPO is due to the presence of bulky substituent groups, which hinder the reaction of the free radical with other molecules.
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