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Updated: Apr 15, 2026

Preparation of Contiguous Bisaziridines for Regioselective Ring-Opening Reactions
Published on: July 28, 2022
Triggering the directional selectivity of a ring-closure reaction leads to pyridoazacarbazoles with anticancer
Tamara N Steinhauer1, Daniel S Längle, Christopher Meier
1Pharmazeutisches Institut, Lehrstuhl für Pharmazeutische Chemie, Universität Kiel, Gutenbergstrasse 76, 24118 Kiel (Germany), Fax: (+49) 431-880-1352.
Abstract:
We herein describe a facile and versatile synthetic route to the tetracyclic system of 6-substituted 5,6-dihydro-11H-pyrido[3,2-i]-1-azacarbazoles with promising anticancer properties. These derivatives are built up by an elegant one-step base-catalyzed synthetic procedure from commercially available building blocks. One additional step provides the corresponding skeleton hitherto unknown in the literature. The possibility to synthesize a large library of compounds with various substitution patterns utilizing this method underlines the importance of this synthetic procedure.
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