Correction

In the article printed in DAN, vol. 153, No. 3, 1963, on p. 612, the authors’ names and the title of the article should read: I. Ya. Postovskii, G. B. Afanas’eva, “Reactions of nucleophilic addition of benzo-\([a]\)-phenoxazinone-9 and 9-dimethylamino-benzo-\([a]\)-phenoxazonium chloride.”

Throughout, instead of the printed benzo-\([\alpha]\)-phenoxazinone-9, it should be benzo-\([a]\)-phenoxazinone-9.

In Scheme 1 on p. 612,

instead of the printed

it should be

In Scheme 2 on p. 614,

instead of the printed

it should be

In Table 1 on p. 613, in the formula of compound VI, instead of the printed \(H_2O\) it should be \(2H_2O\).