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Two New Diastereometric Dihydroisoquinolinium Salts as Organocatalysts for Asymmetric Epoxidation of Alkenes

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Abstract

Two new diastereomeric dihydroisoquinoline-derived iminium salts containing an asymmetric center in the exocyclic substituent at the nitrogen atom were prepared and tested as catalysts for the enantioselective epoxidation of prochiral di- and trisubstituted alkenes. Enhanced catalytic efficiency against a reference N-methyliminium salt was observed.

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ACKNOWLEDGMENTS

The author is grateful to Dr. L. Bohé for his helpful advice on oxaziridinium chemistry and Dr. M. T. M. Martin for NMR experiments.

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Correspondence to K. Ben Ali.

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Ali, K.B. Two New Diastereometric Dihydroisoquinolinium Salts as Organocatalysts for Asymmetric Epoxidation of Alkenes. Russ J Org Chem 59, 290–297 (2023). https://doi.org/10.1134/S1070428023020100

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