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Asymmetric Synthesis of Quinoline-Naphthalene Atropisomers by Central-to-Axial Chirality Conversion.

Shao-Jie WangZhe WangYue TangJie ChenLing Zhou
Published in: Organic letters (2020)
Asymmetric synthesis of quinoline-naphthalene atropisomers with fully blocked ortho positions has been developed by a two-step strategy, which contains a chiral phosphoric acid-catalyzed Povarov reaction and a DDQ oxidation reaction. This method provides facile access to diverse functionalized quinoline-naphthalene atropisomers with one or two chiral axes in excellent yields (≤98%) and excellent enantioselectivities (≤99% ee).
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