1. Part XII of multiamine derivatives, for part XI see ref.0.4).
2. , , , Liebigs Ann. Chem. 1988, 609 and 825; see also earlier papers of this group cited here.
3. , , , , Contribution P 106 on Syntheses of N-Heterocycles from Benzenepentamine and -hexamine, at the XIIIth European Colloquium on Heterocyclic Chemistry, Fribourg, Switzerland, September 26–28, 1988, as well as at the Tag der Chemie, Technische Universität Berlin, February 3, 1989.
4. 5a) , Liebigs Ann. Chem. 1987, 265. –