Catalytic Asymmetric Aza‐Diels‐Alder Reaction: Pivotal Milestones and Recent Applications to Synthesis of Nitrogen‐Containing Heterocycles

MG Vinogradov, OV Turova… - Advanced Synthesis & …, 2021 - Wiley Online Library
In this review, the pivotal achievements and recent advances in catalytic asymmetric aza‐
DAR reported up to 2020 are retrospectively considered and their potency for …

Enantio-and diastereodivergent construction of 1, 3-nonadjacent stereocenters bearing axial and central chirality through synergistic Pd/Cu catalysis

J Zhang, X Huo, J **ao, L Zhao, S Ma… - Journal of the American …, 2021 - ACS Publications
In contrast to the widely explored methods for the asymmetric synthesis of molecules
bearing a single stereocenter or adjacent stereocenters, the concurrent construction of 1, 3 …

Enantio‐and Diastereodivergent Synthesis of Spirocycles through Dual‐Metal‐Catalyzed [3+ 2] Annulation of 2‐Vinyloxiranes with Nucleophilic Dipoles

Y Peng, X Huo, Y Luo, L Wu, W Zhang - Angewandte Chemie, 2021 - Wiley Online Library
The development of efficient and straightforward methods for obtaining all optically active
isomers of structurally rigid spirocycles from readily available starting materials is of great …

Asymmetric Catalytic Friedel–Crafts Reactions of Unactivated Arenes

S Brunen, B Mitschke, M Leutzsch… - Journal of the American …, 2023 - ACS Publications
Since its discovery more than a century ago, the Friedel–Crafts reaction has manifested itself
as a powerful method for the introduction of carbon substituents to arenes. Despite its …

Accessing unnatural α-amino acids with tetrasubstituted stereogenic centers via catalytic enantioselective reactions of ketimine-type α-iminoesters/α-iminoamides

N Yasukawa, S Nakamura - Chemical Communications, 2023 - pubs.rsc.org
Catalytic enantioselective synthesis methodologies have been actively explored and
developed owing to the significance of chiral molecules and their utilities. In particular …

Modular α-tertiary amino ester synthesis through cobalt-catalysed asymmetric aza-Barbier reaction

X Wu, H **a, C Gao, B Luan, L Wu, C Zhang, D Yang… - Nature Chemistry, 2024 - nature.com
Unnatural chiral α-tertiary amino acids containing two different carbon-based substituents at
the α-carbon centre are widespread in biologically active molecules. This sterically rigid …

Ni-catalyzed asymmetric hydrogenation of N-aryl imino esters for the efficient synthesis of chiral α-aryl glycines

D Liu, B Li, J Chen, ID Gridnev, D Yan… - Nature communications, 2020 - nature.com
Chiral α-aryl glycines play a key role in the preparation of some bioactive products, however,
their catalytic asymmetric synthesis is far from being satisfactory. Herein, we report an …

Copper‐Catalyzed Enantioconvergent Radical C(sp3)−N Cross‐Coupling: Access to α,α‐Disubstituted Amino Acids

YF Zhang, JH Wang, NY Yang, Z Chen… - Angewandte Chemie …, 2023 - Wiley Online Library
Transition‐metal catalyzed enantioconvergent cross‐coupling of tertiary alkyl halides with
ammonia offers a rapid avenue to chiral unnatural α, α‐disubstituted amino acids. However …

Catalyst‐Controlled Regiodivergent and Enantioselective Formal Hydroamination of N,N‐Disubstituted Acrylamides to α‐Tertiary‐α‐Aminolactam and β‐Aminoamide …

S Wang, L Shi, XY Chen, W Shu - … Chemie International Edition, 2023 - Wiley Online Library
Enantioenriched α‐tertiary‐α‐aminoacid and α‐chiral‐β‐aminoacid derivatives play an
important role in biological science and pharmaceutical chemistry. Thus, the development of …

Synthesis of Ester-Substituted Indolo[2,1-a]isoquinolines via Photocatalyzed Alkoxycarbonylation/Cyclization Reactions

JQ Chen, X Tu, B Qin, S Huang, J Zhang, J Wu - Organic Letters, 2022 - ACS Publications
A direct alkoxycarbonylation/cyclization reaction is accomplished under visible light-induced
photoredox catalysis. With this approach, a variety of ester-substituted indolo [2, 1-a] …