Catalytic reductive coupling of enone, acrylate, or vinyl heteroaromatic pronucleophiles with carbonyl or imine partners offers an alternative to base-mediated enolization in aldol-and …
Atom-efficient processes that occur via addition, redistribution, or removal of hydrogen underlie many large-volume industrial processes and pervade all segments of chemical …
V Komanduri, MJ Krische - Journal of the American Chemical …, 2006 - ACS Publications
Hydrogenation of 1, 3-enynes 1a− e in the presence of heterocyclic aromatic aldehydes and ketones using chirally modified cationic rhodium precatalysts results in reductive coupling to …
Aldol reactions have been and are widely applied for the preparation of β-hydroxy aldehydes, β-hydroxy ketones or α, β-unsaturated aldehydes or ketones through addition or …
HY Jang, MJ Krische - Accounts of chemical research, 2004 - ACS Publications
Although catalytic hydrogenation has been practiced for over a century, use of hydrogen as a terminal reductant in catalytic C− C bond formation has been restricted to processes …
JR Kong, MY Ngai, MJ Krische - Journal of the American Chemical …, 2006 - ACS Publications
Catalytic hydrogenation of 1, 3-enynes 1a− 7a in the presence of ethyl pyruvate and related activated ketones using chirally modified cationic rhodium catalysts results in reductive …
JR Kong, CW Cho, MJ Krische - Journal of the American Chemical …, 2005 - ACS Publications
Rhodium-catalyzed hydrogenation of 1, 3-enynes 1a− 8a and 1, 3-diynes 9a− 13a at ambient temperature and pressure in the presence of ethyl (N-tert-butanesulfinyl) …
C Bee, SB Han, A Hassan, H Iida… - Journal of the American …, 2008 - ACS Publications
We report the first enantioselective reductive aldol couplings of vinyl ketones, which were achieved through the design of a novel monodentate TADDOL-like phosphonite ligand …
Catalytic enantioselective hydrogen autotransfer reactions for the direct conversion of lower alcohols to higher alcohols are catalogued and their application to the total synthesis of …