N-nitrosodiphenylamine reacts in the presence of catalytic amounts of trichloroacetic acid with indoles forming the corresponding nitroso and iso-nitroso derivatives in good yields.
615. 1 : 2-Disubstituted 3-aminoindoles. Part II. The preparation of indolo(3′ : 2′–3 : 4)isoquinolines and of a new type of cyanine dye derived therefrom
作者:Huang-Hsinmin Huang-Hsinmin、Frederick G. Mann
DOI:10.1039/jr9490002911
日期:——
Glauert et al., Journal of the Chemical Society, 1953, p. 3742,3744