Název:
Design and Synthesis of Helicene like Molecules
Autoři:
Bernard, Martin ; Sýkora, Jan ; Storch, Jan Typ dokumentu: Příspěvky z konference Konference/Akce: Symposium on Catalysis /43./, Praha (CZ), 2011-11-07 / 2011-11-08
Rok:
2011
Jazyk:
eng
Abstrakt: Azahelicenes are unique inherently chiral three-dimensional aromatic compounds with high potential in homogenous assymetric catalysis. Their synthesis has many drawbacks and cannot be done in multigram scale so far. Recently, we have developed a route to new type of helicene-like molecules II. Multigram-scale synthesis of model compound where two benzene rings in [6]helicene skeleton are replaced by cyclopentadiene rings was accomplished in three steps. Such molecules have helical structure similar to helicenes, however, lower racemization barrier. Appropriately modified aza-analogues could be suitable catalysts for asymmetric reactions. Therefore, our synthetic approach leading to these compounds will be discussed.
Klíčová slova:
aromatics compounds; catalysis; synthesis Číslo projektu: CEZ:AV0Z40720504 (CEP), GAP207/10/1124 (CEP), TA01010646 (CEP) Poskytovatel projektu: GA ČR, GA TA ČR Zdrojový dokument: Program Book of Abstracts, ISBN 978-80-87351-15-4
Práva: Dílo je chráněno podle autorského zákona č. 121/2000 Sb.