Recent advances in annulation reactions based on zwitterionic π-allyl palladium and propargyl palladium complexes

B Niu, Y Wei, M Shi - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
In the past few years, Pd-catalyzed annulation reactions through zwitterionic π-allyl
palladium intermediates have been extensively investigated. Meanwhile, zwitterionic π-allyl …

Asymmetric cascades of the π-allyl complex: a journey from transition-metal catalysis to metallaphotocatalysis

SK Nanda - Chemical Communications, 2023 - pubs.rsc.org
The enantioselective catalytic cascade involving Tsuji–Trost allylation has provided a viable
strategy for the construction of multiple asymmetric C–C and C–X centres and numerous …

Asymmetric Synthesis of 2, 2‐Difluorotetrahydrofurans through Palladium‐Catalyzed Formal [3+ 2] Cycloaddition

J Liu, L Yu, C Zheng, G Zhao - … Chemie International Edition, 2021 - Wiley Online Library
Abstract The asymmetric synthesis of 2, 2‐difluorinated tetrahydrofurans was accomplished
via enantioselective formal [3+ 2] cycloaddition catalyzed by palladium. The asymmetric …

Enantioselective total synthesis of furofuran lignans via Pd-catalyzed asymmetric allylic cycloadditon of vinylethylene carbonates with 2-nitroacrylates

C Zhao, I Khan, YJ Zhang - Chemical Communications, 2020 - pubs.rsc.org
Herein, a practical and efficient approach to tetrahydrofurans with three-stereocenters has
been developed through Pd-catalyzed asymmetric allylic cycloaddition of vinylethylene …

Route to Chiral Tetrahydrofuran Acetals via Pd-Catalyzed Asymmetric Allylic Cycloaddition of Vinyl Epoxides with β-Keto Enol Ethers

M Li, Y Liu, YJ Zhang - Organic Letters, 2022 - ACS Publications
An efficient method for the synthesis of functionalized chiral tetrahydrofuran (THF) acetals
via Pd-catalyzed asymmetric allylic cycloaddition has been developed. With a palladium …

Electron-deficient alkynes as dipolarophile in Pd-catalyzed enantioselective (3+ 2) cycloaddition reaction with vinyl cyclopropanes

WP Ding, GP Zhang, YJ Jiang, J Du, XY Liu… - Organic …, 2019 - ACS Publications
The activated alkynes have been used successfully for the first time as the dipolarophile in
the palladium-catalyzed asymmetric (3+ 2) cycloaddition, affording highly functionalized …

Palladium-Catalyzed Asymmetric (3+ 2) Cycloaddition of Vinyl Epoxides with Substituted Propiolates. Enantioselective Formation of 2, 3, 4-Trisubstituted 2, 3 …

J Wang, YF Li, J Du, S Huang, CH Ding… - Organic …, 2022 - ACS Publications
Alkynyl esters are viable dipolarophiles for the palladium-catalyzed asymmetric (3+ 2)
cycloaddition with vinyl epoxides. The chiral dihydrofurans are obtained in high yields and …

Diastereo-and enantioselective palladium-catalyzed dearomative [4+ 2] cycloaddition of 3-nitroindoles

JJ Suo, J Du, YJ Jiang, D Chen, CH Ding… - Chinese Chemical …, 2019 - Elsevier
A Pd-catalyzed asymmetric decarboxylative [4+ 2] cycloaddition of 3-nitroindoles and vinyl
benzoxazinanones is developed through a dearomatization approach. The reaction …

Transition metal-catalyzed asymmetric cyclizations involving allyl or propargyl heteroatom-dipole precursors

Z Jian, C Ying, W Quannan, S Jiahuan… - Chinese Journal of …, 2022 - sioc-journal.cn
Chiral heterocyclic compounds are an important class of chiral substances, which are
widespread in many chiral drugs, pesticides and catalysts. Therefore, the efficient …

Regio‐and Enantioselective γ‐Allylic Alkylation of In Situ‐Generated Free Dienolates via Scandium/Iridium Dual Catalysis

J Zhang, WL Yang, H Zheng, Y Wang… - Angewandte Chemie …, 2022 - Wiley Online Library
An unprecedented asymmetric γ‐allylic alkylation of free dienolates via Sc/Ir dual catalysis is
reported, which affords a range of synthetically versatile γ‐allylic crotonaldehydes in high …