Abstract
Selected recent developments in the area of (thio)urea-mediated
organocatalysis from our laboratory are summarised.
1 Introduction and Background
2 Catalysis with Achiral (Thio)ureas
2.1 The Baylis-Hillman Reaction
2.2 The Corey-Chaykovsky Reaction
2.3 Organocatalytic Reduction of Ketones
2.4 Ring Opening of Epoxides
3 Catalysis with Chiral (Thio)ureas
3.1 Modified Cinchona Alkaloid Derivatives
3.1.1 Asymmetric Michael Addition
3.1.2 Asymmetric Nitroolefin Cyclopropanation
3.1.3 meso -Anhydride Desymmetrisation
3.1.4 Dynamic Kinetic Resolution of Azlactones
3.2 Friedel-Crafts-type Reactions: Axially Chiral Thioureas
4 Summary
Key words
organocatalysis - Michael additions - asymmetric
synthesis - nitroalkenes - sulfonium ions
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