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Chiral Ureas, Thioureas, and Squaramides in Anion‐Binding Catalysis with Co‐catalytic B rønsted/ L ewis Acids
Adam H. Trotta,Eric N. Jacobsen +1 more
- pp 141-159
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The article was published on 2022-02-14 and is currently open access. It has received 3 citations till now. The article focuses on the topics: Anion binding & Catalysis.read more
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Catalytic Enantioselective Intramolecular Oxa-Michael Reaction to α,β-Unsaturated Esters and Amides
TL;DR: In this article , a bifunctional iminophosphorane (BIMP)-catalyzed, enantioselective intramolecular oxa-Michael reaction of alcohols to tethered, low electrophilicity Michael acceptors is described.
Journal ArticleDOI
Enantioselective transition-metal catalysis via an anion-binding approach
TL;DR: In this paper , neutral hydrogen-bond donors (HBDs) are used to achieve enantiocontrol and rate enhancement through ion pairing in concert with other noncovalent interactions.
Journal ArticleDOI
Exploring Structure-Function Relationships of Aryl Pyrrolidine-Based Hydrogen-Bond Donors in Asymmetric Catalysis Using Data-Driven Techniques.
Mohammad H. Samha,Julie L. H. Wahlman,Jacquelyne A. Read,Jacobus de Werth,Eric N. Jacobsen,Matthew S. Sigman +5 more
TL;DR: In this paper , aryl pyrrolidine substituted urea, thiourea, and squaramide organocatalysts function cooperatively through hydrogen bonding and difficult-to-predict NCIs as a function of the reaction partners.
References
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Proton Transfer, Acid‐Base Catalysis, and Enzymatic Hydrolysis. Part I: ELEMENTARY PROCESSES
TL;DR: In this paper, the authors present a relatively complete picture of the elementary proton transfer mechanisms and a comprehensive description of the modes and laws of acid-base and enzymatic catalysis.
Journal ArticleDOI
Complete Field Guide to Asymmetric BINOL-Phosphate Derived Brønsted Acid and Metal Catalysis: History and Classification by Mode of Activation; Brønsted Acidity, Hydrogen Bonding, Ion Pairing, and Metal Phosphates
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Chiral Phosphoric Acids asVersatile Catalysts for Enantioselective Transformations
TL;DR: In this paper, a review focusing on recent achievements in the development of enantioselective transforma- tions using these axially chiral phosphoric acids and their analogues as chiral Bronsted acid catalysts is presented.
Journal ArticleDOI
"Designer acids": combined acid catalysis for asymmetric synthesis.
TL;DR: Combining Lewis and Brønsted acids will bring out their inherent reactivity by associative interaction, and also provide more-organized structures that allow an effective asymmetric environment.