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Anion-Binding Catalysis with Other Anions

Mitra, S and Mukherjee, S (2021) Anion-Binding Catalysis with Other Anions. [Book Chapter]

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Official URL: https://doi.org/10.1002/9783527830664.ch5

Abstract

Anion binding is a powerful strategy, especially for enantioselectively catalyzing reactions involving cationic intermediates. This chapter covers the catalytic reactions proceeding via the binding of less common anions such as cyanide, oxyanions, enolates, and carboxylates. The first part of this chapter outlines the serendipitous discovery of (thio)urea catalysts and their ability to bind cyanide anion for promoting enantioselective Strecker and related reactions of imines. Subsequent sections highlight the importance of stabilizing oxygen-based anions including alkoxides and enolates through H-bonding in catalyzing various synthetically useful transformations. The elegant design of conjugate-base-stabilized Brønsted acid catalysts, comprising both thiourea and carboxylic acid functionalities, and their applications to challenging multi-component reactions constitute the last part of this chapter. Priorities are given to mechanistic basis of enantioinduction, whenever possible. © 2022 WILEY-VCH GmbH, Boschstr. 12, 69469 Weinheim, Germany.

Item Type: Book Chapter
Publication: Anion-Binding Catalysis
Publisher: wiley
Additional Information: The copyright for this article belongs to wiley.
Department/Centre: Division of Chemical Sciences > Organic Chemistry
Date Deposited: 11 May 2023 10:01
Last Modified: 11 May 2023 10:01
URI: https://eprints.iisc.ac.in/id/eprint/81627

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