Results 11 to 20 of about 3,265,586 (282)
Chemical Reviews, 2021 Chiral amines are key structural motifs present in a wide variety of natural products, drugs, and other biologically active compounds. During the past decade, significant advances have been made with respect to the enantioselective synthesis of chiral ...
Albert Cabré, X. Verdaguer, A. Riera
semanticscholar +1 more source
Challenging Atroposelective C–H Arylation
SynOpen, 2020 Atropisomeric molecules are privileged scaffolds, not only as ligands for asymmetric synthesis, but also as biologically active products and advanced materials.
Joanna Wencel-Delord +1 more
doaj +1 more source
Enantioselective Synthesis of Atropisomers with Multiple Stereogenic Axes.
Angewandte Chemie, 2020 Atropisomers possessing multiple stereogenic axes are intriguing molecules with huge uncovered potential. As compared with molecules with multiple stereogenic centers for which countless methods exist for their stereocontrolled synthesis, only few ...
Xiaoze Bao, Jean Rodriguez, D. Bonne
semanticscholar +1 more source
Asymmetric additions to dienes catalysed by a dithiophosphoric acid. [PDF]
, 2011 Chiral Brønsted acids (proton donors) have been shown to facilitate a broad range of asymmetric chemical transformations under catalytic conditions without requiring additional toxic or expensive metals.
Hamilton, Gregory +4 more
core +7 more sources
Stereocontrolled enantioselective total synthesis of the [2+2] quadrigemine alkaloids. [PDF]
, 2015 A unified strategy for enantioselective total synthesis of all stereoisomers of the 2+2 family of quadrigemine alkaloids is reported. In this approach, two enantioselective intramolecular Heck reactions are carried out at the same time on precursors ...
Canham, Stephen M +6 more
core +4 more sources
Enantioselective Synthesis of 1,12‐Disubstituted [4]Helicenes
Angewandte Chemie, 2020 A highly enantioselective synthesis of 1,12‐disubstituted [4]carbohelicenes is reported. The key step for the developed synthetic route is a Au‐catalyzed intramolecular alkyne hydroarylation, which is achieved with good to excellent regio‐ and ...
Thierry Hartung +4 more
semanticscholar +1 more source
Phosphoramidite Gold(I)-Catalyzed Diastereo- and Enantioselective Synthesis of 3,4-Substituted Pyrrolidines [PDF]
, 2011 In this article the utility of phosphoramidite ligands in enantioselective AuI catalysis was explored in the development of highly diastereo- and enantioselective AuI-catalyzed cycloadditions of allenenes.
Benitez, Diego +4 more
core +3 more sources
Journal of the American Chemical Society, 2020 A series of rhodium complexes bearing sterically and electronically tunable cyclopentadienyl ligands, prepared by utilizing Co2(CO)8 mediated [2+2+1] cyclization as a key step, were synthesized.
Wenquan Cui, Zhixing Wu, Q. Gu, S. You
semanticscholar +1 more source
Alilação e crotilação catalítica e enantiosseletiva de aldeídos
Química Nova, 2006 The field of chiral catalysis has experienced explosive growth over the last two decades. By now, many of the classical reactions in organic synthesis can be carried out efficiently in asymmetric manner.
Fátima Ângelo de +2 more
doaj +3 more sources
Synthesis of Solution-Phase Phosphoramidite and Phosphite Ligand Libraries and Their In Situ Screening in the Rhodium-Catalyzed Asymmetric Addition of Arylboronic Acids [PDF]
, 2007 Herein, we report the automated parallel synthesis of solution-phase libraries of phosphoramidite ligands for the development of enantioselective catalysts.
Feringa, Ben L., +5 more
core +1 more source