Subscribe to RSS
Please copy the URL and add it into your RSS Feed Reader.
https://www.thieme-connect.de/rss/thieme/en/10.1055-s-00000131.xml
Synfacts 2008(2): 0179-0179
DOI: 10.1055/s-2007-992452
DOI: 10.1055/s-2007-992452
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart · New York
Samarium(II) Iodide Catalyzed One-Pot Aza-Diels-Alder Reactions
Z. Zhou, F. Xu*, X. Han, J. Zhou, Q. Shen*
Suzhou University, P. R. of China
Further Information
Publication History
Publication Date:
23 January 2008 (online)
Significance
The authors describe a three-component aza-Diels-Alder reaction that is catalyzed by samarium(II) iodide. Interestingly, the cis/trans isomer issue can be controlled by the reaction conditions. When the reaction is conducted in organic solvents, the trans isomer is favored. Under solvent-less conditions, the cis isomer predominates. Higher temperatures were also found to give high yields of the trans product, while lower temperatures increased the cis selectivity.