Photochemical Rearrangement of N-Substit
Photochemical Rearrangement of N-Substituted 2-Methyl-5-Nitro-1H-Imidazoles in the Presence of Water
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Karl-Heinz Pfoertner; John J. Daly
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Article
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1987
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John Wiley and Sons
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German
β 229 KB
The photochemical behaviour of 2-methyl-5-nitro-I H-imidazoles 1 in water-containing solutions has been studied. In a first reaction step, the photorearrangement of 1 yields 2-methyl-2-imidazoline-4,5-dione-4-oximes 2. Hydrolysis of 2 and subsequent elimination of water from a supposed intermediate