Synfacts 2009(6): 0618-0618  
DOI: 10.1055/s-0029-1216655
Synthesis of Materials and Unnatural Products
© Georg Thieme Verlag Stuttgart ˙ New York

Chemistry of a Stable Singlet Biradical

Contributor(s): Timothy M. Swager, Trisha L. Andrew
S. Hiroto, N. Aratani, N. Shibata, Y. Higuchi, T. Sasamori, N. Tokitoh, H. Shinokubo*, A. Osuka*
Nagoya University, Kyoto University, University of Hyogo and the RIKEN Spring-8 Center, Hyogo, Japan
Further Information

Publication History

Publication Date:
25 May 2009 (online)


The singlet biradical biscorrole (2) was found to undergo a nucleophilic addition with pyridine under mild conditions. The products of this reaction were isolated and characterized. The pyridination was found to proceed regioselectively to yield zwitterionic species.