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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Using Heck reaction for aromatic ring formation in the synthesis of polycyclic compounds
 Bažíková, Ema ; Matoušová, Eliška (advisor) ; Míšek, Jiří (referee)
This bachelor's thesis focuses on the synthesis of a polycarbocyclic compound with naphthalene core and the following oxidation to the corresponding ortho-naphthoquinone. The naphthalene and naphthoquinone skeleton can be found in many natural products with interesting biological properties. This thesis extends the scope of a method developed by our group for the synthesis of naturally occurring ortho-naphthoquinones. The key step of the synthesis was to form an aromatic ring using the Heck reaction. Keywords: synthesis, polycyclic compounds, naphthalenes, catalysis, Heck reaction
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Using levoglucosenone in the synthesis of naphthoquinone containing compounds
 Neumannová, Johana ; Matoušová, Eliška (advisor) ; Baszczyňski, Ondřej (referee)
This bachelor thesis is focused on using levoglucosenone in the synthesis of the naphthoquinone containing compounds. Levoglucosenone is a versatile and easily available substance which can be prepared by pyrolysis of renewable cellulose-containing materials. The synthesis of the target compound begins with the preparation of the substrate for the tandem reaction (propargyl ether) in three steps. The following key steps of the synthesis include palladium-catalyzed tandem cyclization/Suzuki cross coupling and subsequent Heck reaction. Oxidation of the prepared methoxy-substituted naphthalene yields the o-naphthoquinone, which has a similar structure as some naturally occurring substances with naphthoquinone skeleton, e.g. mansonone D and populene C. Key words: Synthesis, naphthalenes, naphthoquinones, levoglucosenone, catalysis, polycyclic compounds
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