Iridium-catalyzed asymmetric allylic substitution reactions

Q Cheng, HF Tu, C Zheng, JP Qu, G Helmchen… - Chemical …, 2018 - ACS Publications
In this review, we summarize the origin and advancements of iridium-catalyzed asymmetric
allylic substitution reactions during the past two decades. Since the first report in 1997, Ir …

Additive effects on asymmetric catalysis

L Hong, W Sun, D Yang, G Li, R Wang - Chemical Reviews, 2016 - ACS Publications
This review highlights a number of additives that can be used to make asymmetric reactions
perfect. Without changing other reaction conditions, simply adding additives can lead to …

Chiral monophosphorus ligands for asymmetric catalytic reactions

W Fu, W Tang - ACS Catalysis, 2016 - ACS Publications
Chiral monophosphorus ligands are playing an important role for the recent advances in
asymmetric catalysis. This review summarizes the latest progress in various asymmetric …

Asymmetric γ‐allylation of α, β‐unsaturated aldehydes by combined organocatalysis and transition‐metal catalysis

L Næsborg, KS Halskov, F Tur… - Angewandte …, 2015 - Wiley Online Library
The first asymmetric regio‐and diastereodivergent γ‐allylation of cyclic α, β‐unsaturated
aldehydes based on combined organocatalysis and transition‐metal catalysis is disclosed …

Regioselective Formal β‐Allylation of Carbonyl Compounds Enabled by Cooperative Nickel and Photoredox Catalysis

K Liu, Z Wang, AN Künzel, M Layh… - Angewandte …, 2023 - Wiley Online Library
Abstract The Tsuji–Trost reaction between carbonyl compounds and allylic precursors has
been widely used in the synthesis of natural products and pharmaceutical compounds. As …

Origin of stereodivergence in cooperative asymmetric catalysis with simultaneous involvement of two chiral catalysts

B Bhaskararao, RB Sunoj - Journal of the American Chemical …, 2015 - ACS Publications
Accomplishing high diastereo-and enantioselectivities simultaneously is a persistent
challenge in asymmetric catalysis. The use of two chiral catalysts in one-pot conditions might …

Enantioselective γ-alkylation of α, β-unsaturated malonates and ketoesters by a sequential Ir-catalyzed asymmetric allylic alkylation/cope rearrangement

WB Liu, N Okamoto, EJ Alexy, AY Hong… - Journal of the …, 2016 - ACS Publications
A catalytic, enantioselective γ-alkylation of α, β-unsaturated malonates and ketoesters is
reported. This strategy entails a highly regio-and enantioselective iridium-catalyzed α …

Iridium-Catalyzed Aerobic α, β-Dehydrogenation of γ, δ-Unsaturated Amides and Acids: Activation of Both α-and β-C–H bonds through an Allyl–Iridium Intermediate

Z Wang, Z He, L Zhang, Y Huang - Journal of the American …, 2018 - ACS Publications
Direct aerobic α, β-dehydrogenation of γ, δ-unsaturated amides and acids using a simple
iridium/copper relay catalysis system is described. We developed a new strategy that …

Iridium‐Catalyzed Asymmetric Allylic Substitution of Methyl Azaarenes

XJ Liu, WY Zhang, C Zheng, SL You - Angewandte Chemie, 2022 - Wiley Online Library
Herein, an Ir‐catalyzed asymmetric allylic substitution reaction of methyl azaarenes is
described. Azaarenes such as (benzo) thiazole, oxazole, benzoimidazole, pyridine, and …

Enantioselective Iridium‐Catalyzed Allylic Substitution with 2‐Methylpyridines

XJ Liu, SL You - Angewandte Chemie International Edition, 2017 - Wiley Online Library
An enantioselective iridium‐catalyzed allylic substitution with a set of highly unstabilized
nucleophiles generated in situ from 2‐methylpyridines is described. Enantioenriched 2 …