Michael J. Eichberg, Rosa L. Dorta, Kai Lamottke, K. Peter C. Vollhardt: The Formal Total Synthesis of (±)-Strychnine via a Cobalt-Mediated [2 + 2 + 2]Cycloaddition. In: Org. Lett. 2. Jahrgang, Nr.16, 2000, S.2479–2481, doi:10.1021/ol006131m, PMID 10956526.
Michael J. Eichberg, Rosa L. Dorta, Douglas B. Grotjahn, Kai Lamottke, Martin Schmidt, K. Peter C. Vollhardt: Approaches to the Synthesis of (±)-Strychnine via the Cobalt-Mediated [2 + 2 + 2] Cycloaddition: Rapid Assembly of a Classic Framework. In: J. Am. Chem. Soc. 123. Jahrgang, Nr.38, 2001, S.9324–9337, doi:10.1021/ja016333t, PMID 11562215.
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Michael J. Eichberg, Rosa L. Dorta, Kai Lamottke, K. Peter C. Vollhardt: The Formal Total Synthesis of (±)-Strychnine via a Cobalt-Mediated [2 + 2 + 2]Cycloaddition. In: Org. Lett. 2. Jahrgang, Nr.16, 2000, S.2479–2481, doi:10.1021/ol006131m, PMID 10956526.
Michael J. Eichberg, Rosa L. Dorta, Douglas B. Grotjahn, Kai Lamottke, Martin Schmidt, K. Peter C. Vollhardt: Approaches to the Synthesis of (±)-Strychnine via the Cobalt-Mediated [2 + 2 + 2] Cycloaddition: Rapid Assembly of a Classic Framework. In: J. Am. Chem. Soc. 123. Jahrgang, Nr.38, 2001, S.9324–9337, doi:10.1021/ja016333t, PMID 11562215.