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Route to stable nitroxides with alkoxy groups at α- carbon - the derivatives of 2- and 3-imidazolines

✍ Scribed by I.A. Grigor'ev; L.B. Volodarsky; V.F. Starichenko; G.I. Shchukin; I.A. Kirilyuk

Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
242 KB
Volume
26
Category
Article
ISSN
0040-4039

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✦ Synopsis

Summaq: Oxidation of l-hydroxy-5,5-dimethyl-3_imidazoline-3-oxides containing one or two hydrogen atoms in position 2 of the heterocycle with lead dioxide in alcohol leads to stable nitroxides with alkoxy groups at d-carbon, the derivatives of 2-and +imidazolines, via the intermediate formation of 4H-imidazol-l,+dioxides. 'gH5 CH3 25 135-136 13.50 15 oil * b 'GH5 '

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## Abstract __meso__‐Tetraarylporphyrinato complexes **1a**–**g** (Zn^II^, Cu^II^, and Ni^II^) bearing one or two nitro‐substituted aryl moieties react with 1,1,1‐trimethylhydrazinium iodide in the presence of ^__t__^BuOK in THF at 0–5° or in the presence of KOH in DMSO at 60–70° according to a nuc