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- W1592087629 abstract "Nous présentons, dans ce travail, les synthèses de radicaux entièrement deutériés: Tetraméthyl-2,2,6,6 pipéridone-4 oxyle-1(d16), Tétraméthyl-2,2,6,6 pipéridinol-4 oxyle-1 (d18), Ditertiobutyl nitroxyde (d18), et Tétraméthyl-2,2,4,4 oxazolidine oxyle-3 (d14), ainsi que les synthèses de composés intermédiaires tel l'α-amino méthyl-2 propanol-1 (d9) et le nitrosofertiobutane (d9) La deutération totale des radicaux libres nitroxydes affine les largeurs de raies de leur spectre de résonance paramagnétique électronique. Par leur faible largeur de raie, ces radicaux permettent d'observer des couplages dus au 13C. Nous décrivons d'autres applications. In this work, the syntheses of the following completely deuterated radicals are described: 2,2,6,6-tetramethyl piperid-4-one 1-oxy (d16); 2,2,6,6-tetramethyl-piperidin-4-ol-1-oxy (d18); Di-t-butyl nitroxide (d18) and 2,2,4,4-oxazolidine-3-oxy (d14). In addition, several completely deuterated intermediate compounds such as 2-amino 2-methylpropan-1-ol (d9) and t-nitrosobutane (d9) have been prepared. The total deutération of these nitroxides results in a decreased linewidth in their electron spin resonance spectra. As a consequence of this smaller linewidth, splittings due to 13C are readily observed. Other applications are described." @default.
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- W1592087629 date "1973-01-01" @default.
- W1592087629 modified "2023-10-11" @default.
- W1592087629 title "Nitroxydes—LVI" @default.
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- W1592087629 doi "https://doi.org/10.1016/s0040-4020(01)93527-6" @default.
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