Phosphine organocatalysis

H Guo, YC Fan, Z Sun, Y Wu, O Kwon - Chemical reviews, 2018 - ACS Publications
The hallmark of nucleophilic phosphine catalysis is the initial nucleophilic addition of a
phosphine to an electrophilic starting material, producing a reactive zwitterionic …

Nucleophilic phosphine organocatalysis

JL Methot, WR Roush - Advanced Synthesis & Catalysis, 2004 - Wiley Online Library
Phosphines have recently become popular choices as nucleophilic catalysts in organic
synthesis. The unique reactivity of phosphines compared to amines has allowed the …

Advances in nucleophilic phosphine catalysis of alkenes, allenes, alkynes, and MBHADs

YC Fan, O Kwon - Chemical Communications, 2013 - pubs.rsc.org
In nucleophilic phosphine catalysis, tertiary phosphines undergo conjugate additions to
activated carbon–carbon multiple bonds to form β-phosphonium enolates, β-phosphonium …

Asymmetric construction of quaternary stereocenters by direct organocatalytic amination of α-substituted α-cyanoacetates and β-dicarbonyl compounds

S Saaby, M Bella, KA Jørgensen - Journal of the American …, 2004 - ACS Publications
The first organocatalytic highly enantioselective reactions of substituted α-cyanoacetates
and β-dicarbonyl compounds with azodicarboxylates are reported. In the presence of 0.1− 5 …

Enantioselective construction of tetrasubstituted stereogenic carbons through brønsted base catalyzed michael reactions: Α′-hydroxy enones as key enoate …

E Badiola, B Fiser, E Gomez-Bengoa… - Journal of the …, 2014 - ACS Publications
Catalytic and asymmetric Michael reactions constitute very powerful tools for the
construction of new C–C bonds in synthesis, but most of the reports claiming high selectivity …

Chiral phosphine catalyzed asymmetric Michael addition of oxindoles.

F Zhong, X Dou, X Han, W Yao, Q Zhu… - Angewandte …, 2013 - search.ebscohost.com
Asymmetric synthesis through catalysis by nucleophilic phosphines has advanced rapidly in
recent years as a powerful and versatile tool for the preparation of chiral organic …

Bisphosphine-catalyzed mixed double-Michael reactions: Asymmetric synthesis of oxazolidines, thiazolidines, and pyrrolidines

V Sriramurthy, GA Barcan, O Kwon - Journal of the American …, 2007 - ACS Publications
Bisphosphine-catalyzed mixed double-Michael reactions have been developed to afford β-
amino carbonyl derivatives of oxazolidines, thiozolidines, and pyrrolidines in excellent yields …

Recent extensions of the Morita–Baylis–Hillman reaction

GN Ma, JJ Jiang, M Shi, Y Wei - Chemical communications, 2009 - pubs.rsc.org
Significant progress in the development of the Morita–Baylis–Hillman (MBH) reaction has
been made in the past decade. Many new variations of the MBH reaction have been well …

Mechanistic investigation of the enantioselective intramolecular Stetter reaction: Proton transfer is the first irreversible step

JL Moore, AP Silvestri, JR de Alaniz, DA DiRocco… - Organic …, 2011 - ACS Publications
A study on the mechanism of the asymmetric intramolecular Stetter reaction is reported. This
investigation includes the determination of the rate law, kinetic isotope effects, and …

Organocatalytic transformations of alkynals, alkynones, propriolates, and related electron-deficient alkynes

A Fraile, A Parra, M Tortosa, J Aleman - Tetrahedron, 2014 - Elsevier
Organocatalysis 1 has recently appeared as a new complementary tool to asymmetric
organometallic and enzymatic reactions for the synthesis of new material and new …