Sökning: "Organocatalys"

Hittade 2 uppsatser innehållade ordet Organocatalys.

1. 1. Syntes och Applikationer av Kirala Karbokatjoner

   Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

   Författare :ANA ALICIA PALÉS GRAU; [2015]
   Nyckelord :Carbocation; Asymmetric catalysis; Lewis acid; Diels Alder; Organocatalys;

   Sammanfattning : Asymmetric synthesis is most significant method to generate chiral compounds from prochiral substrates. It usually involves a chiral catalysis, which can be either metal based or organo-catalysis. Both of these systems have their own advantages and disadvantages. LÄS MER

3. 2. Chiral Carbocations as Lewis Acid Catalysts in Diels-Alder Reactions

   Master-uppsats, KTH/Skolan för kemivetenskap (CHE)

   Författare :Annika Mellberg; [2012]
   Nyckelord :•Diels Alder •Asymmetric catalysis •Lewis acid •Carbocation •Organocatalys;

   Sammanfattning : Lewis acids can be used as catalysts in different reactions, but the term Lewis acid catalysts often refers to metal salts. Metal complexes have been widely used for asymmetric catalysis. Asymmetric synthesis can however be performed in a metal-free way by using organocatalysis. LÄS MER