Bis(oxazoline) derived cationic aqua complexes: highly effective catalysts for enantioselective Diels-Alder reactions
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Cationic aqua complex derived from bidentate inda-box ligand and Cu(ClO4)2·6H2O is an excellent catalyst (5-10 mol%) for enantioselective (92-99% ee) Diels-Alder reactions of cyclopentadiene and various bidentate dienophiles. ... ...