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National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Organocatalytic reactions leading to functionalized cyclic compounds
 Formánek, Bedřich ; Veselý, Jan (advisor) ; Jindřich, Jindřich (referee)
First part is focused on finding suitable reaction conditions for organocatalytic domino Michael/Michael reaction of ethyl (E)-3-(2-thiophenyl)acrylate with α,β-unsaturated aldehydes. Second part deals with the preparation of pyrazolone derivatives from commercially available compounds and describes effects of various substituents in α-position on chemical efficiency and stereoselectivity of amination with azodicarboxylate catalyzed by quinine.
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The use of alkylideneheterocycles for the synthesis of spirocyclic compounds
 Vopálenská, Andrea ; Veselý, Jan (advisor) ; Matoušová, Eliška (referee)
This bachelor thesis is focused on the stereoselective Michael-alkylation reaction of alkylidene heterocycles using bifunctional organocatalysis. Within the thesis, suitable starting materials were first prepared and then the organocatalytic reaction leading to the formation of spirocyclic compounds was optimized. Under optimized conditions, a study of the scope of application of the method on selected derivatives was also performed and the optical purity of the products was determined. Key words Organocatalysis, asymmetric synthesis, cascade reaction, Michael reaction, bifunctional organocatalysts, spirocyclic compounds
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Organocatalytic reactions leading to functionalized cyclic compounds
 Formánek, Bedřich ; Veselý, Jan (advisor) ; Jindřich, Jindřich (referee)
First part is focused on finding suitable reaction conditions for organocatalytic domino Michael/Michael reaction of ethyl (E)-3-(2-thiophenyl)acrylate with α,β-unsaturated aldehydes. Second part deals with the preparation of pyrazolone derivatives from commercially available compounds and describes effects of various substituents in α-position on chemical efficiency and stereoselectivity of amination with azodicarboxylate catalyzed by quinine.
Detailed record

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