Two novel chiral rhodium complexes as catalysts for the enantioselective allylation of arylaldehydes |
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| Institution: | 1. Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Lu, Shanghai 200032, China;2. Gifu Pharmaceutical University, 5-6-1 Mitahora-Higashi, Gifu 502, Japan |
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| Abstract: | Two novel chiral rhodium complexes were successfully synthesized from the reaction of a new class of bidentate nitrogen ligands with RhCl3·3H2O in ethanol under reflux. The crystal structure of 4a was unambiguously established by X-ray analysis. Their corresponding cationic metal complexes prepared in situ from the reaction of 4a or 4b with AgBF4 catalyze the enantioselective allylation of arylaldehydes with allylstannane in 5–50% ee. |
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