Arylglyoxals in synthesis of heterocyclic compounds

B Eftekhari-Sis, M Zirak, A Akbari - Chemical reviews, 2013 - ACS Publications
Heterocycles are an extraordinarily important class of compounds, making up more than half
of all known organic compounds. Heterocycles are present in a wide variety of drugs, most …

Catalytic reductive aldol and mannich reactions of enone, acrylate, and vinyl heteroaromatic pronucleophiles

CC Meyer, E Ortiz, MJ Krische - Chemical reviews, 2020 - ACS Publications
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 …

From hydrogenation to transfer hydrogenation to hydrogen auto-transfer in enantioselective metal-catalyzed carbonyl reductive coupling: past, present, and future

CG Santana, MJ Krische - ACS catalysis, 2021 - ACS Publications
Atom-efficient processes that occur via addition, redistribution, or removal of hydrogen
underlie many large-volume industrial processes and pervade all segments of chemical …

Enantioselective reductive coupling of 1, 3-enynes to heterocyclic aromatic aldehydes and ketones via rhodium-catalyzed asymmetric hydrogenation: mechanistic …

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 …

A green look at the aldol reaction

R Mestres - Green Chemistry, 2004 - pubs.rsc.org
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 …

Catalytic C− C bond formation via capture of hydrogenation intermediates

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 …

Highly enantioselective direct reductive coupling of conjugated alkynes and α-ketoesters via rhodium-catalyzed asymmetric hydrogenation

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 …

Hydrogen-Mediated Reductive Coupling of Conjugated Alkynes with Ethyl (N-Sulfinyl)iminoacetates:  Synthesis of Unnatural α-Amino Acids via Rhodium-Catalyzed …

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) …

Diastereo-and enantioselective hydrogenative aldol coupling of vinyl ketones: design of effective monodentate TADDOL-like phosphonite ligands

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 C–C Coupling of Alcohols for Polyketide Total Synthesis beyond Chiral Auxiliaries and Premetalated Reagents

J Wu, KL Verboom, MJ Krische - Chemical Reviews, 2024 - ACS Publications
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 …