New Strategies for N-Heterocyclic Carbenes Catalyzed Annulations
Xiangyu Chen
New Strategies for N-Heterocyclic Carbenes Catalyzed Annulations
Xiangyu Chen
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Omschrijving
This thesis focuses on NHC-catalyzed annulation of nitroalkenes, enals and α,β-unsaturated carboxylic acids. (4) The readily available α,β-unsaturated carboxylic acids were first successfully employed to generate the α,β-unsaturated acyl azolium intermediates by using NHC for the enantioselective [3+2] and [3+3] annulations.