Stereodivergent Construction of 1, 3‐Chiral Centers via Tandem Asymmetric Conjugate Addition and Allylic Substitution Reaction

JH Xie, YM Hou, Z Feng, SL You - Angewandte Chemie, 2023 - Wiley Online Library
Herein, we report a synthesis of cyclohexanones bearing multi‐continuous stereocenters by
combining copper‐catalyzed asymmetric conjugate addition of dialkylzinc reagents to cyclic …

Ir‐Catalyzed Enantioselective Synthesis of gem‐Diborylalkenes Enabled by 1,2‐Boron Shift

JF Ge, XZ Zou, XR Liu, CL Ji, XY Zhu… - Angewandte Chemie …, 2023 - Wiley Online Library
Asymmetric cross‐couplings based on 1, 2‐carbon migration from B‐ate complexes have
been developed efficiently to access valuable organoboronates. However, enantioselective …

Scope and Mechanistic Probe into Asymmetric Synthesis of α-Trisubstituted-α-Tertiary Amines by Rhodium Catalysis

MK Arachchi, RN Schaugaard… - Journal of the …, 2023 - ACS Publications
Asymmetric reactions that convert racemic mixtures into enantioenriched amines are of
significant importance due to the prevalence of amines in pharmaceuticals, with about 60 …

Diastereo‐and Enantioselective Construction of Vicinal All‐Carbon Quaternary Stereocenters via Iridium/Europium Bimetallic Catalysis

W Wang, F Zhang, Y Liu, X Feng - Angewandte Chemie, 2022 - Wiley Online Library
The diastereo‐and enantioselective construction of vicinal all‐carbon quaternary
stereocenters is a formidable task. We here report a synergistic bimetallic catalysis via a …

Photoredox streamlines electrocatalysis: photoelectrosynthesis of polycyclic pyrimidin-4-ones through carbocyclization of unactivated alkenes with malonates

M Tao, Q Feng, K Gong, X Yang, L Shi, Q Chang… - Green …, 2024 - pubs.rsc.org
Both polycyclic pyrimidin-4-one synthesis and the dehydrogenative coupling of malonates
often require a redox agent, an elevated temperature, large amounts of transition-metal …

Taming Chiral Quaternary Stereocenters via Remote H‐Bonding Stereoinduction in Palladium‐Catalyzed (3+ 2) Cycloadditions

YQ Xiao, MM Li, ZX Zhou, YJ Li, MY Cao… - Angewandte Chemie …, 2023 - Wiley Online Library
Ring‐opening transformations of donor‐acceptor (D‐A) cyclopropanes enable the rapid
assembly of complex molecules. However, the enantioselective formation of chiral …

Palladium-catalyzed enantioselective decarboxylative allylic alkylation of α-benzyl cyanoacetates: access to chiral acyclic quaternary carbon stereocenters

Q Bao, TJ Sun, YP Zhang, ZH Wang, Y You… - Organic Chemistry …, 2023 - pubs.rsc.org
A palladium-catalyzed enantioselective decarboxylative allylic alkylation of α-benzyl
cyanoacetates with methylene cyclic carbamates has been successfully developed. An array …

Borylated cyclopropanes as spring-loaded entities: Access to vicinal tertiary and quaternary carbon stereocenters in acyclic systems

AU Augustin, S Di Silvio, I Marek - Journal of the American …, 2022 - ACS Publications
Herein, we present the formation of acyclic frameworks bearing two consecutive
stereocenters of either tertiary or quaternary nature starting from easily accessible …

Quaternary Stereocenters via Catalytic Enantioconvergent Allylation of Epoxides

J Shen, Z Xu, S Yang, S Li, J Jiang… - Journal of the American …, 2023 - ACS Publications
The development of catalytic and enantioselective transformations for the synthesis of all-
carbon quaternary stereocenters has long been recognized as a significant challenge in …

Role of noncovalent interactions in inducing high enantioselectivity in an alcohol reductive deoxygenation reaction involving a planar carbocationic intermediate

S Ghosh, A Changotra, DA Petrone… - Journal of the …, 2023 - ACS Publications
The involvement of planar carbocation intermediates is generally considered undesirable in
asymmetric catalysis due to the difficulty in gaining facial control and their intrinsic stability …