Journal ArticleDOI
A Rational Approach to Catalytic Enantioselective Enolate Alkylation Using a Structurally Rigidified and Defined Chiral Quaternary Ammonium Salt under Phase Transfer Conditions
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This article is published in Journal of the American Chemical Society.The article was published on 1997-12-17. It has received 575 citations till now. The article focuses on the topics: Alkylation & Enantioselective synthesis.read more
Citations
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Privileged Chiral Catalysts
Tehshik P. Yoon,Eric N. Jacobsen +1 more
TL;DR: Drawing inspiration from natural catalysts, chemists have developed a variety of synthetic small-molecule catalysts that can achieve levels of selectivity approaching, and in some cases matching, those observed in enzymatic reactions.
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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.
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Asymmetric Organocatalytic Cyclization and Cycloaddition Reactions
Albert Moyano,Ramon Rios +1 more
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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.
References
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Journal ArticleDOI
The stereoselective synthesis of .alpha.-amino acids by phase-transfer catalysis
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Efficient catalytic asymmetric alkylations. 1. Enantioselective synthesis of (+)-indacrinone via chiral phase-transfer catalysis
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Enantioselective Total Synthesis of Ecteinascidin 743
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A new active catalyst species for enantioselective alkylation by phase-transfer catalysis
TL;DR: In this article, the use of Schiff base substrates in amino acid synthesis is briefly reviewed, and a new active catalyst species is proposed for asymmetric PTC alkylation of active methylene compounds.
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A new class of asymmetric phase-transfer catalysts derived from Cinchona alkaloids — Application in the enantioselective synthesis of α-amino acids
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