Results 51 to 60 of about 6,809 (215)

Asymmetric Organocatalysis in Deep Eutectic Solvents [PDF]

, 2021
The recent advances in asymmetric organocatalysis using eutectic mixtures as a reaction medium are revised in this mini-review. In addition, the first enantioselective transformations using chiral eutectic solvents, which play the role of a green medium ...
Ramon D. J., Alonso D. A., Guillena G., Tiecco M., Burlingham S. -J., Chinchilla R.   +5 more
core   +1 more source

Homogeneous Organocatalysis [PDF]

, 2010
Catalysis plays a pivotal role in providing fuels, commodity and fine chemicals, and pharmaceuticals, as well as providing the means for strengthening environmental safeguards all over the world. More than 60% of all chemical products and 90% of chemical
Wells, Richard P. K., Taylor, Stuart H., Rico, Jose L., Watson, Allan, Hargreaves, Justin S. J., Bartley, Jonathan Keith, Hutchings, Graham John, M. Armbrüster, Armbrüster, M., Willock, David James   +9 more
core   +1 more source

Organocatalysis inspired chemistry of aldehydes [PDF]

, 2022
The field of organocatalysis developed quickly in the last two decades. The possibilities of organocatalysis working with other catalysis mode are starting to get explored more often in recent years.

core   +1 more source

Enantioselective Organocatalysis and Superacid Activation: Challenges and Opportunities [PDF]

, 2023
International audienceSince the pioneer reports of Akiyama and Terada groups on Brønsted acid organocatalysis, this field never stopped growing with the development of ingenious strategies for the activation of challenging poorly reactive substrates. The
Bastien Michelet, Agnès Martin‐Mingot, Martin-Mingot, Agnès, Thibaudeau, Sébastien, Jean Rodriguez, Sébastien Thibaudeau, Damien Bonne, Rodriguez, Jean, Michelet, Bastien, Bonne, Damien   +9 more
core   +1 more source

Organocatalysis and beyond: Activating reactions with two catalytic species [PDF]

, 2019
Since the beginning of the millennium, organocatalysis has been gaining a predominant role in asymmetric synthesis and it is, nowadays, a foundation of catalysis.
Baschieri A., Fini F., Nori V., Carlone A., Sinibaldi A., Arcadi A.   +5 more
core   +3 more sources

Mechanochemistry assisted asymmetric organocatalysis: A sustainable approach

Beilstein Journal of Organic Chemistry, 2012
Ball-milling and pestle and mortar grinding have emerged as powerful methods for the development of environmentally benign chemical transformations. Recently, the use of these mechanochemical techniques in asymmetric organocatalysis has increased.
Pankaj Chauhan, Swapandeep Singh Chimni
doaj   +1 more source

Organocatalyzed enantioselective desymmetrization of aziridines and epoxides

Beilstein Journal of Organic Chemistry, 2013
Enantioselective desymmetrization of meso-aziridines and meso-epoxides with various nucleophiles by organocatalysis has emerged as a cutting-edge approach in recent years.
Ping-An Wang
doaj   +1 more source

Chiral Diol-Based Organocatalysts in Enantioselective Reactions

Molecules, 2018
Organocatalysis has emerged as a powerful synthetic tool in organic chemistry in the last few decades. Among various classes of organocatalysis, chiral diol-based scaffolds, such as BINOLs, VANOLs, and tartaric acid derivatives, have been widely used to ...
Truong N. Nguyen, Po-An Chen, Krit Setthakarn, Jeremy A. May   +3 more
doaj   +1 more source

Asymmetric Dearomative (3+2)-Cycloaddition Involving Nitro-Substituted Benzoheteroarenes under H-Bonding Catalysis

Molecules, 2021
In our studies, the organocatalytic 1,3-dipolar cycloaddition between 2-nitrobenzofurans or 2-nitrobenzothiophene and N-2,2,2-trifluoroethyl-substituted isatin imines has been developed.
Maciej Saktura, Anna Skrzyńska, Sebastian Frankowski, Sylwia Wódka, Łukasz Albrecht   +4 more
doaj   +1 more source

ORGANOCATÁLISE ENANTIOSSELETIVA: EVOLUÇÃO E ASPECTOS RECENTES

Química Nova
In the last two decades, enantioselective organocatalysis has established itself as one of the three pillars of asymmetric catalysis. The rapid growth in the area is due to the rationalization of organocatalysis based on the generic modes of catalyst ...
Fernanda G. Finelli, Bruno M. da S. Santos, Lívia C. R. M. da Frota   +2 more
doaj   +1 more source