Catalytic strategies for diastereodivergent synthesis

L Lin, X Feng - Chemistry–A European Journal, 2017 - Wiley Online Library
Chiral molecules with multiple stereocenters are widely distributed in nature and drugs.
Asymmeric catalysis has allowed the formation of a chiral molecule's enantiomers with equal …

N‐Heterocyclic Carbene (NHC)‐Catalyzed Transformations Involving Azolium Enolates

S Mondal, A Ghosh, AT Biju - The Chemical Record, 2022 - Wiley Online Library
The recent advances in the N‐heterocyclic carbene (NHC)‐organocatalyzed generation of
azolium enolate intermediates and their subsequent interception with electrophiles are …

Nine-membered benzofuran-fused heterocycles: enantioselective synthesis by Pd-catalysis and rearrangement via transannular bond formation

ZQ Rong, LC Yang, S Liu, Z Yu, YN Wang… - Journal of the …, 2017 - ACS Publications
The first enantioselective formal [5+ 4] cycloaddition is realized under palladium catalysis to
deliver benzofuran-fused nine-membered rings. These medium-sized heterocycles and …

Construction of nine‐membered heterocycles through palladium‐catalyzed formal [5+ 4] cycloaddition

LC Yang, ZQ Rong, YN Wang, ZY Tan… - Angewandte Chemie …, 2017 - Wiley Online Library
Abstract The first catalytic formal [5+ 4] cycloaddition to prepare nine‐membered
heterocycles is presented. Under palladium catalysis, the reaction of N‐tosyl azadienes and …

Enantioselective Phosphine‐Catalyzed Formal [4+ 4] Annulation of α, β‐Unsaturated Imines and Allene Ketones: Construction of Eight‐Membered Rings

H Ni, X Tang, W Zheng, W Yao… - Angewandte Chemie …, 2017 - Wiley Online Library
The first highly enantioselective phosphine‐catalyzed formal [4+ 4] annulation has been
developed. In the presence of amino‐acid‐derived phosphines, the unprecedented [4+ 4] …

Palladium‐Catalyzed Asymmetric [4+3] Cyclization of Trimethylenemethane: Regio‐, Diastereo‐, and Enantioselective Construction of Benzofuro[3,2‐b]azepine …

YZ Liu, Z Wang, Z Huang, X Zheng… - Angewandte Chemie …, 2020 - Wiley Online Library
Abstract The palladium‐catalyzed asymmetric [4+ 3] cyclization of trimethylenemethane
donors with benzofuran‐derived azadienes furnishes chiral benzofuro [3, 2‐b] azepine …

Highly Regio‐, Diastereo‐, and Enantioselective Synthesis of Tetrahydroazepines and Benzo[b]oxepines through Palladium‐Catalyzed [4+3] Cycloaddition …

BM Trost, Z Zuo - Angewandte Chemie International Edition, 2020 - Wiley Online Library
A novel Pd0‐catalyzed asymmetric [4+ 3] annulation reaction of two readily accessible
starting materials has been developed for building seven‐membered heterocyclic …

Diastereodivergent Asymmetric [4 + 2] Cycloaddition of In Situ Generated ortho-Quinone Methides and Allenyl Ketones Enabled by Chiral Phosphoric Acid Catalysis

G Shen, F He, W Xie, H Gu, X Yang - ACS Catalysis, 2023 - ACS Publications
Asymmetric diastereodivergent catalysis is a powerful strategy for accessing different
stereoisomers of a molecule, which are important in the discovery of biologically and …

π‐Lewis‐Base‐Catalyzed Asymmetric Vinylogous Umpolung Reactions of Cyclopentadienones and Tropone

XX Yang, RJ Yan, GY Ran, C Chen… - Angewandte Chemie …, 2021 - Wiley Online Library
We disclose that the carbonates of 4‐hydroxy‐2‐cyclopentenones can form π‐allylpalladium‐
based 1, 2‐carbodipoles, which isomerize to interesting η2‐Pd0‐cyclopentadienone …

Regiodivergent synthesis of spirocyclic compounds through pd‐catalyzed regio‐and enantioselective [3+ 2] spiroannulation

BM Trost, Z Zuo - Angewandte Chemie International Edition, 2021 - Wiley Online Library
A novel Pd0‐catalyzed highly regio‐and enantioselective [3+ 2] spiroannulation reaction
has been developed for rapid assembly of a new class of [5, 5] spirocyclic carbo‐and …