High-order dipolar annulations with metal-containing reactive dipoles

MM Zhang, BL Qu, B Shi, WJ Xiao, LQ Lu - Chemical Society Reviews, 2022 - pubs.rsc.org
Medium-sized heterocycles are widespread among a spectrum of structurally intriguing and
biologically significant natural products and synthetic pharmaceuticals. Metal-catalyzed high …

Recent Achievements in the Rhodium‐Catalyzed Concise Construction of Medium N‐Heterocycles, Azepines and Azocines

W Ouyang, J Rao, Y Li, X Liu, Y Huo… - … Synthesis & Catalysis, 2020 - Wiley Online Library
Medium N‐heterocycles, azepines and azocines, serve as important skeletons that occurred
widely in natural products, however, due to the lack of efficient synthetic methodologies, their …

Switching between the [2π+ 2σ] and Hetero‐[4π+ 2σ] Cycloaddition Reactivity of Bicyclobutanes with Lewis Acid Catalysts Enables the Synthesis of Spirocycles and …

JJ Wang, L Tang, Y Xiao, WB Wu, G Wang… - Angewandte …, 2024 - Wiley Online Library
The exploration of the complex chemical diversity of bicyclo [n. 1.1] alkanes and their use as
benzene bioisosteres has garnered significant attention over the past two decades …

Silver‐Catalyzed Dearomative [2π+ 2σ] Cycloadditions of Indoles with Bicyclobutanes: Access to Indoline Fused Bicyclo [2.1. 1] hexanes

L Tang, Y Xiao, F Wu, JL Zhou, TT Xu… - Angewandte Chemie …, 2023 - Wiley Online Library
Abstract Bicyclo [2.1. 1] hexanes (BCHs) are becoming ever more important in drug design
and development as bridged scaffolds that provide underexplored chemical space, but are …

Palladium-catalyzed decarboxylative (4+ 3) cycloadditions of bicyclobutanes with 2-alkylidenetrimethylene carbonates for the synthesis of 2-oxabicyclo [4.1. 1] …

XY Gao, L Tang, X Zhang, JJ Feng - Chemical Science, 2024 - pubs.rsc.org
While cycloaddition reactions of bicyclobutanes (BCBs) have emerged as a potent method
for synthesizing (hetero-) bicyclo [n. 1.1] alkanes (usually n≤ 3), their utilization in the …

Zinc‐Catalyzed Enantioselective Formal (3+ 2) Cycloadditions of Bicyclobutanes with Imines: Catalytic Asymmetric Synthesis of Azabicyclo [2.1. 1] hexanes

F Wu, WB Wu, Y Xiao, Z Li, L Tang… - Angewandte Chemie …, 2024 - Wiley Online Library
The cycloaddition reaction involving bicyclo [1.1. 0] butanes (BCBs) offers a versatile and
efficient synthetic platform for producing C (sp3)‐rich rigid bridged ring scaffolds, which act …

C (sp 2)–H cyclobutylation of hydroxyarenes enabled by silver-π-acid catalysis: diastereocontrolled synthesis of 1, 3-difunctionalized cyclobutanes

L Tang, QN Huang, F Wu, Y Xiao, JL Zhou, TT Xu… - Chemical …, 2023 - pubs.rsc.org
Ring-opening of bicyclo [1.1. 0] butanes (BCBs) is emerging as a powerful strategy for 1, 3-
difunctionalized cyclobutane synthesis. However, reported radical strain-release reactions …

Cobalt-catalyzed enantioselective cross-electrophile couplings: Stereoselective syntheses of 5–7-membered azacycles

Z Ma, W Xu, YD Wu, JS Zhou - Journal of the American Chemical …, 2023 - ACS Publications
Cobalt complexes of chiral pyrox ligands catalyzed enantioselective reductive couplings of
nonconjugated iododienes with aryl iodides or alkenyl bromides. The reaction enabled …

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 …

Metal-Catalyzed (4 + 3) Cyclization of Vinyl Aziridines with para-Quinone Methide Derivatives

F Jiang, FR Yuan, LW Jin, GJ Mei, F Shi - ACS Catalysis, 2018 - ACS Publications
The development of (4+ 3) cyclizations of vinyl aziridines, especially catalytic asymmetric
versions, is needed in organic synthesis. This report describes an iridium-catalyzed (4+ 3) …