Abstract Introduction The Mechanism of Catalysis for Diorganozinc Addition to Carbonyl Compounds Enantioselective Addition of Organozincs to Carbonyl Compounds Enantioselective Addition of Diorganozincs to Imine Derivatives Asymmetric Amplification Asymmetric Autocatalysis in the Asymmetric Addition of Dialkylzincs to Aldehydes Conclusion Acknowledgment