Studies on Phenazines. XVIII. Nitration of Phenazine and Its Derivatives. (3).
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The nitration product of phenazine, which was previously described as 1,3-dinitrophenazine, was proved to be a mixture of 1,6-and 1,9-dinitrophenazines. These structures were determined by their conversion into dihydroxyphenazines by way of diaminophenazines. From the nitration of phenazine N-oxide under high temperature, two isomers, 1,7-dinitrophenazine 5-oxide and 3,7-dinitrophenazine-5-oxide were obtained.
- 公益社団法人日本薬学会の論文
- 1958-02-20
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