Professor Tony Shing (香港中文大学) 講演会のお知らせ (7/6)


7月6日(木)15時45分より,南7号館7階セミナー室において講演会を開催します。

講師:Tony Shing教授(香港中文大学)
日時:7月6日(木)午後3時45分より
場所:南7号館7階セミナー室
Abstract: Enantioselective organocatalysis, employing small chiral organic molecules to promote different chemical transformations, has received widespread attention over the past decade.  Inspired by the powerful capabilities of aminocatalysis, our group has initiated a project to develop new chiral pyrrolidines with a mono-aryl group that would complement the existing diarylprolinol ether and imidazolidinone catalysis.  D-Arabinose was conveniently chosen as the starting material because of its built-in chirality and its ready commercial availability in large quantities for both enantiomers.  Chiral hydroxylated pyrrolidine catalysts were synthesized from D-arabinose in a straightforward manner.  Various aromatic substituents  to the amine can be introduced readily by a Grignard reaction, which enables facile optimization of the catalyst performance.  Applications of these chiral pyrrolidines to enantioselelctive intramolecular Diels-Alder reactions with and without de-symmetrization will be presented in the seminar.

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