Radical-Based cis-Selective Annulations of N,N′-Cyclic Azomethine Imines with N-Sulfonyl Cyclopropylamines

J Qiu, W Li, X Li, Y Cao, CX Pan, H Li - Organic Letters, 2023 - ACS Publications
Azomethine imines, broadly known as 1, 3-dipoles, efficiently produce synthetically and
biologically significant dinitrogen-fused heterocycles via predominantly concerted or ionic …

Radical redox annulations: a general light-driven method for the synthesis of saturated heterocycles

PRD Murray, INM Leibler, SM Hell, E Villalona… - ACS …, 2022 - ACS Publications
We introduce here a two-component annulation strategy that provides access to a diverse
collection of five-and six-membered saturated heterocycles from aryl alkenes and a family of …

Controllable Synthesis of Cyclopenta[b]indolines via Photocatalytic Fluoroalkylative Radical Cyclization Cascade of Ynamides

J Li, Y Zhou, J Luo, H Chen, H Qi, H Zheng… - Organic Letters, 2024 - ACS Publications
A de novo method for direct construction of cyclopenta [b] indolines via a photocatalytic
fluoroalkylative radical cyclization cascade of ynamides has been established, which …

Indolization of N-Aryl Tertiary Amines with Diazoacetates by a Single Organophotocatalyst

W Li, J Qiu, H Li, W Chen, C Hou, H Li - Organic Letters, 2023 - ACS Publications
Diazoacetates are widely used to synthesize highly valuable indoles. Previous research has
focused on using metal carbene reactivity or the innate nucleophilicity of the diazoacetates …

Controllable synthesis of benzoxazinones and 2-hydroxy-3-indolinones by visible-light-promoted 5-endo-dig N-radical cyclization cascade

TD Tan, TY Zhai, BY Liu, L Li, PC Qian, Q Sun… - Cell Reports Physical …, 2021 - cell.com
In recent years, significant advances have been made on photoredox-catalyzed N-radical
addition to CC unsaturated bond via NH bond cleavage. However, these N-centered radical …

Bifunctional sulfilimines enable synthesis of multiple N-heterocycles from alkenes

Q Cheng, Z Bai, S Tewari, T Ritter - Nature Chemistry, 2022 - nature.com
Intramolecular cyclization of nitrogen-containing molecules onto pendant alkenes is an
efficient strategy for the construction of N-heterocycles, which are of paramount importance …

Visible-light induced generation of bifunctional nitrogen-centered radicals: a concise synthetic strategy to construct bicyclo [3.2. 1] octane and azepane cores

WL Yu, HW Jiang, L Yan, ZT Feng, YC Luo… - Science China …, 2021 - Springer
A photocatalytic tandem cyclization of o-alkenylbenzaldehydes using pyridinium salts as the
amination reagent is described. A variety of valuable seven-membered nitrogenous …

α-Amino radicals via photocatalytic single-electron reduction of imine derivatives

JA Leitch, T Rossolini, T Rogova, JAP Maitland… - ACS …, 2020 - ACS Publications
The construction and manipulation of amine-containing architectures is of importance to
academic and industrial development and discovery programs. The photochemical single …

Photoredox Catalyzed Tandem Denitrogenative [4+ 2] Annulation of 1, 2, 3-Benzotriazin-4 (3H)-ones with Terminal Olefins

H Li, Y Zhang, F Han, Z Zhang, M Yin… - The Journal of Organic …, 2024 - ACS Publications
The dihydroisoquinolones skeleton is ubiquitous in natural products and biological
molecules. Reported strategies for constructing dihydroisoquinolones usually require noble …

Photoredox‐Catalyzed [3+ 2] annulation of Aromatic Amides with Olefins via Iminium Intermediates

Z Tang, Z Yao, Y Yu, J Huang, X Ma, X Zhao… - Angewandte … - Wiley Online Library
Despite the preliminary success of transition metal‐catalyzed [3+ 2] annulation of amides
with olefins, the corresponding radical‐type [3+ 2] annulation remains a laborious challenge …