Catalytic enantioselective aldol reactions

Y Yamashita, T Yasukawa, WJ Yoo… - Chemical Society …, 2018 - pubs.rsc.org
Recent developments in catalytic asymmetric aldol reactions have been summarized.
Enantioselective aldol reactions are important methods to synthesize β-hydroxy carbonyl …

Additive effects on asymmetric catalysis

L Hong, W Sun, D Yang, G Li, R Wang - Chemical Reviews, 2016 - ACS Publications
This review highlights a number of additives that can be used to make asymmetric reactions
perfect. Without changing other reaction conditions, simply adding additives can lead to …

Asymmetric organocatalytic cyclization and cycloaddition reactions

A Moyano, R Rios - Chemical Reviews, 2011 - ACS Publications
The stereocontrolled construction of chiral carbo-and heterocycles is a topic of paramount
importance in modern organic synthesis, driven by the predominance of chiral mono-and …

Recent developments in next generation (S)-proline-derived chiral organocatalysts

E Juaristi - Tetrahedron, 2021 - Elsevier
In the area of asymmetric organocatalysis, significant effort has been dedicated during the
last decade to improve the performance of emblematic catalysts such as proline, as well as …

Enantioselective cooperative catalysis

SM Inamdar, VS Shinde, NT Patil - Organic & Biomolecular Chemistry, 2015 - pubs.rsc.org
In recent years, enantioselective cooperative catalytic reactions, wherein two catalysts work
simultaneously to form products which cannot be obtained by the use of a single catalyst …

Mechanically interlocked catalysts for asymmetric synthesis

A Martinez-Cuezva, A Saura-Sanmartin, M Alajarin… - ACS …, 2020 - ACS Publications
Strategic global industries, such as pharmaceutics, cosmetics, or crop production, are
increasingly demanding high-value enantioenriched compounds. Thus, the design and …

Enantiodivergent fluorination of allylic alcohols: data set design reveals structural interplay between achiral directing group and chiral anion

AJ Neel, A Milo, MS Sigman… - Journal of the American …, 2016 - ACS Publications
Enantioselectivity values represent relative rate measurements that are sensitive to the
structural features of the substrates and catalysts interacting to produce them. Therefore …

Highly enantioselective cascade synthesis of spiropyrazolones

A Zea, ANR Alba, A Mazzanti, A Moyano… - Organic & Biomolecular …, 2011 - pubs.rsc.org
An efficient synthesis of spiropyrazolones based on organocatalysis is described. The
reaction between pyrazolones, enolizable aldehydes and enals is catalyzed by secondary …

Improving the Catalytic Performance of (S)-Proline as Organocatalyst in Asymmetric Aldol Reactions in the Presence of Solvate Ionic Liquids: Involvement of a …

A Obregón-Zúñiga, M Milán, E Juaristi - Organic letters, 2017 - ACS Publications
For the first time, a highly efficient and stereoselective asymmetric aldol reaction employing
(S)-proline in the presence of solvate ionic liquids is reported. The reaction seems to …

A new catalytic mode of the modularly designed organocatalysts (MDOs): enantioselective synthesis of dihydropyrano [2, 3-c] pyrazoles

S Muramulla, CG Zhao - Tetrahedron letters, 2011 - Elsevier
The enantioselective tandem Michael addition–cyclization reaction between 3-methyl-2-
pyrazolin-5-one and benzylidenemalononitriles was studied with modularly designed …