Phosphine organocatalysis
The hallmark of nucleophilic phosphine catalysis is the initial nucleophilic addition of a
phosphine to an electrophilic starting material, producing a reactive zwitterionic …
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 …
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 …
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
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 …
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 …
construction of new C–C bonds in synthesis, but most of the reports claiming high selectivity …
Chiral phosphine catalyzed asymmetric Michael addition of oxindoles.
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 …
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 …
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 …
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
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 …
investigation includes the determination of the rate law, kinetic isotope effects, and …
Organocatalytic transformations of alkynals, alkynones, propriolates, and related electron-deficient alkynes
Organocatalysis 1 has recently appeared as a new complementary tool to asymmetric
organometallic and enzymatic reactions for the synthesis of new material and new …
organometallic and enzymatic reactions for the synthesis of new material and new …