HOT: new N-spiro quaternary ammonium salt phase-transfer catalysts from tartaric acid

Mario Waser et al. have designed new N-spiro quaternary ammonium salt-based catalysts from tartaric acid-derived TADDOLs.  The new catalysts catalyse the asymmetric α-alkylation of glycine Schiff bases in good yields and up to 93% ee.

Design, synthesis, and application of tartaric acid derived N-spiro quaternary ammonium salts as chiral phase-transfer catalysts
Mario Waser, Katharina Gratzer, Richard Herchl and Norbert Müller
DOI: 10.1039/C1OB06573D

This article is part of a joint ChemComm & OBC web theme issue on Organocatalysis.

Keep checking this page as further articles are added to the web theme issue.

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One Response to “HOT: new N-spiro quaternary ammonium salt phase-transfer catalysts from tartaric acid”

  1. Chintan Shah says:

    Thank you for sharing this enlightening post about Phase Transfer Catalyst. Your Post on N-spiro quaternary ammonium salt phase-transfer catalysts from tartaric acid is truly informative. TatvaChintan is also one of the best chemical manufacturing industry in India.

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