Catalytic Systems Combining Multiple Amine Catalysts

1 Catalytic Systems Combining Multiple Amine Catalysts 

Since their renaissance in 2000, amine catalysts dominate the field of current organocatalysis, due to the robust covalent activation of various carbonyl compounds with excellent stereochanical control. With the development of organocatalysis, the advantages and limitations of certain chiral amines were investigated in detail. The 

SCHEME 9.13 Tandem reaction combining two different imidazolidinone catalysts. 

SCHEME 9.15 Tandem reaction promoted by a Jprgensen-Hayashi catalyst. 

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Catalytic systems combining multiple amine catalysts 371... 

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