Journal ArticleDOI
C2‐Symmetric Chiral Pentacyclic Guanidine: A Phase‐Transfer Catalyst for the Asymmetric Alkylation of tert‐Butyl Glycinate Schiff Base
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This article is published in Angewandte Chemie.The article was published on 2002-08-02. It has received 140 citations till now. The article focuses on the topics: Phase-transfer catalyst & Enantioselective synthesis.read more
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Enantioselective Michael Reaction of Malonates to Nitroolefins Catalyzed by Bifunctional Organocatalysts
TL;DR: Michael reaction of malonates to nitrooleolefins with chiral bifunctional organocatalysts, bearing both a thiourea and tertiary amino group, afforded Michael adducts with high yields and enantioselectivities.
Journal ArticleDOI
Asymmetric ion-pairing catalysis.
Katrien Brak,Eric N. Jacobsen +1 more
TL;DR: This review describes developments in the burgeoning field of asymmetric ion-pairing catalysis with an emphasis on the insights that have been gleaned into the structural and mechanistic features that contribute to high asymmetric induction.
Journal ArticleDOI
Enantioselective amino acid synthesis by chiral phase-transfer catalysis.
Keiji Maruoka,Takashi Ooi +1 more
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Recent advances in asymmetric phase-transfer catalysis.
Takashi Ooi,Keiji Maruoka +1 more
TL;DR: This work has shown that the use of chiral nonracemic onium salts and crown ethers as effective phase-transfer catalysts provides a reliable and general strategy for the practical asymmetric synthesis of highly valuable organic compounds.