Abstract

Anthrone has been found to react with N-methyl maleimide in the presence of catalytic amounts of various chiral β-amino alcohols. The optically active cycloadduct 3a has been obtained in excellent yield. Several features of the reaction have been studied. Anthrone 1 has been found to react with N-substituted maleimides 2 in presence of catalytic amounts of various chiral β-aminoalcohols (ee up to 60%).

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