Results 11 to 20 of about 2,455 (178)

Asymmetric Organocatalysis: A Survival Guide to Medicinal Chemists [PDF]

open access: yesMolecules, 2022
Majority of drugs act by interacting with chiral counterparts, e.g., proteins, and we are, unfortunately, well-aware of how chirality can negatively impact the outcome of a therapeutic regime.
Efraim Reyes   +2 more
doaj   +2 more sources

Advances in asymmetric organocatalysis over the last 10 years [PDF]

open access: yesNature Communications, 2020
Organocatalysis has become a major pillar of (asymmetric) catalysis. Here, the authors discuss recent trends in organocatalytic activation modes for challenging stereoselective transformations and the emerging integration with other fields, such as ...
Shao-Hua Xiang, Bin Tan
doaj   +2 more sources

Recent Developments and Trends in Asymmetric Organocatalysis [PDF]

open access: yesEuropean Journal of Organic Chemistry, 2022
AbstractAsymmetric organocatalysis has experienced a long and spectacular way since the early reports over a century ago by von Liebig, Knoevenagel and Bredig, showing that small (chiral) organic molecules can catalyze (asymmetric) reactions. This was followed by impressive first highly enantioselective reports in the second half of the last century ...
Olga García Mancheño, Mario Waser
openaire   +3 more sources

Mechanochemistry assisted asymmetric organocatalysis: A sustainable approach [PDF]

open access: yesBeilstein 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   +2 more sources

Cross-trienamines in Asymmetric Organocatalysis [PDF]

open access: yesJournal of the American Chemical Society, 2012
Cross-conjugated trienamines are introduced as a new concept in asymmetric organocatalysis. These intermediates are applied in highly enantioselective Diels-Alder and addition reactions, providing functionalized bicyclo[2.2.2]octane compounds and γ'-addition products, respectively.
Halskov, Kim Søholm   +5 more
openaire   +3 more sources

Asymmetric Conjugate Hydrocyanation of α,β-Unsaturated Aldehydes Catalyzed by Engineered 2-Deoxy-D-ribose-5-phosphate Aldolase. [PDF]

open access: yesChemistry
The power of catalytic promiscuity: The enantioselective conjugate hydrocyanation of enals remains a long‐standing challenge for biocatalysis. Here, we report the redesign of 2‐deoxy‐D‐ribose‐5‐phosphate aldolase for the asymmetric conjugate hydrocyanation of aromatic enals, expanding the reaction scope of iminium‐based enzyme catalysis to include an ...
Zhou H, Fodran P, Fu H, Poelarends GJ.
europepmc   +2 more sources

Enantioselective radical chemistry: a bright future ahead [PDF]

open access: yesBeilstein Journal of Organic Chemistry
This perspective is focused on enantioselective free radical reactions. It describes several important catalytic asymmetric strategies applied to enantioselective radical reactions, including chiral Lewis acid catalysis, organocatalysis, photoredox ...
Anna C. Renner   +3 more
doaj   +2 more sources

Cinchona Alkaloids in Asymmetric Organocatalysis [PDF]

open access: bronzeSynthesis, 2012
This article reviews the applications of cinchona alkaloids as asymmetric catalysts. In the last few years, characterized by the resurgence of interest in asymmetric organocatalysis, cinchona derivatives have been shown to catalyze an outstanding array of chemical reactions, often with remarkable stereoselectivity. This work presents an overview of the
Tommaso Marcelli, Henk Hiemstra
openalex   +3 more sources

Home - About - Disclaimer - Privacy