Enantioselective Desymmetrization of 1,2,3-Trisubstituted Metallocenes by Molybdenum-Catalyzed Asymmetric Intraannular Ring-Closing Metathesis
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Enantioselective desymmetrization of Cs-symmetric (η5-1,2,3-triallylic indenyl)M(II) complexes (1; M = Fe or Ru) was realized by the molybdenum-catalyzed asymmetric ring-closing metathesis, and the corresponding planar-chiral metallocenes 2 were obtained in good yields with high enantioselectivity of up to 98% ee.
创建时间:
2016-02-13



