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 …

Applications of iridium-catalyzed asymmetric allylic substitution reactions in target-oriented synthesis

J Qu, G Helmchen - Accounts of Chemical Research, 2017 - ACS Publications
Conspectus Metal catalyzed allylic substitution is a cornerstone of organometallic and
synthetic chemistry. Enantioselective versions have been developed with catalysts derived …

Ir/Cu dual catalysis: enantio-and diastereodivergent access to α, α-disubstituted α-amino acids bearing vicinal stereocenters

X Huo, J Zhang, J Fu, R He… - Journal of the American …, 2018 - ACS Publications
We describe a fully stereodivergent synthesis of a range of α, α-disubstituted α-amino acids
via an Ir/Cu-catalyzed α-allylation of readily available imine esters. The introduction of a Cu …

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 …

Stereodivergent allylic substitutions with aryl acetic acid esters by synergistic iridium and Lewis base catalysis

X Jiang, JJ Beiger, JF Hartwig - Journal of the American Chemical …, 2017 - ACS Publications
The preparation of all possible stereoisomers of a given chiral molecule bearing multiple
stereocenters by a simple and unified method is a significant challenge in asymmetric …

Stereodivergent allylation of azaaryl acetamides and acetates by synergistic iridium and copper catalysis

X Jiang, P Boehm, JF Hartwig - Journal of the American Chemical …, 2018 - ACS Publications
We report stereodivergent allylic substitution reactions of allylic esters with prochiral
enolates derived from azaaryl acetamides and acetates to form products from addition of the …

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 …

Catalytic asymmetric vinylogous and bisvinylogous propargylic substitution

HD Qian, ZH Li, S Deng, C Yao, HM Xiang… - Journal of the …, 2022 - ACS Publications
Distinct regio-and enantioselectivity control in copper-catalyzed vinylogous and
bisvinylogous propargylic substitution has been accomplished by using a novel chiral N, N …

Chemo‐, Diastereo‐, and Enantioselective Iridium‐Catalyzed Allylic Intramolecular Dearomatization Reaction of Naphthol Derivatives

Q Cheng, Y Wang, SL You - Angewandte Chemie International …, 2016 - Wiley Online Library
An iridium‐catalyzed intramolecular asymmetric allylic dearomatization reaction of naphthol
derivatives is described. Challenges confronted in this reaction include chemoselectivity …

Enantioselective synthesis of indole-annulated medium-sized rings

L Huang, LX Dai, SL You - Journal of the American Chemical …, 2016 - ACS Publications
Asymmetric synthesis of indole-annulated medium-sized-ring compounds is developed
through an iridium-catalyzed allylic dearomatization/retro-Mannich/hydrolysis cascade …