1. Acylindoles. I. Synthesis and transformations of 3-(2-aminobenzoyl)indoles
2. Synthesis of 9H-Pyrimido [4, 5-b] indole Derivatives
3. For a review of 1,4-diazepinedione syntheses see: G. A. Archer and L. H. Sternbach, Chem. Rev., 68, 764 (1968).
4. For examples of the autoxidation of 3-aminoindoles see “The Chemistry of Indoles,” R. J.Sundberg, Academic Press, New York, N. Y., 1970, p. 290.