Asymmetric synergy between chiral dienes and diphosphines in cationic Rh(I)-catalyzed intramolecular [4 + 2] cycloaddition.
Department of Applied Chemistry, Tokyo Institute of Technology, Tokyo 152-8552, Japan.Journal of the American Chemical Society (impact factor: 9.91). 11/2006; 128(39):12648-9. DOI:10.1021/ja0650100 pp.12648-9
ABSTRACT High enantioselective [4 + 2] cycloaddition can be achieved by cationic Rh complexes bearing not only chiral phosphine but also chiral diene. This is the first example of asymmetric synergy between chiral dienes and diphosphines.
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