Transition metal catalysis controlled by hydrogen bonding in the second coordination sphere

JNH Reek, B de Bruin, S Pullen, TJ Mooibroek… - Chemical …, 2022 - ACS Publications
Transition metal catalysis is of utmost importance for the development of sustainable
processes in academia and industry. The activity and selectivity of metal complexes are …

Strategies and Mechanisms of First-Row Transition Metal-Regulated Radical C–H Functionalization

X Wang, J He, YN Wang, Z Zhao, K Jiang… - Chemical …, 2024 - ACS Publications
Radical C–H functionalization represents a useful means of streamlining synthetic routes by
avoiding substrate preactivation and allowing access to target molecules in fewer steps. The …

Iron (III)-based metalloradical catalysis for asymmetric cyclopropanation via a stepwise radical mechanism

WCC Lee, DS Wang, Y Zhu, XP Zhang - Nature Chemistry, 2023 - nature.com
Metalloradical catalysis (MRC) exploits the metal-centred radicals present in open-shell
metal complexes as one-electron catalysts for the generation of metal-stabilized organic …

Late-Stage C(sp3)–H Methylation of Drug Molecules

E Mao, DWC MacMillan - Journal of the American Chemical …, 2023 - ACS Publications
Methyl groups are well understood to play a critical role in pharmaceutical molecules,
especially those bearing saturated heterocyclic cores. Accordingly, methods that install …

A biomimetic SH2 cross-coupling mechanism for quaternary sp3-carbon formation

W Liu, MN Lavagnino, CA Gould, J Alcázar… - Science, 2021 - science.org
Bimolecular homolytic substitution (SH2) is an open-shell mechanism that is implicated
across a host of biochemical alkylation pathways. Surprisingly, however, this radical …

Carbene radicals in transition-metal-catalyzed reactions

RFJ Epping, D Vesseur, M Zhou, B de Bruin - ACS catalysis, 2023 - ACS Publications
Discovered as organometallic curiosities in the 1970s, carbene radicals have become a
staple in modern-day homogeneous catalysis. Carbene radicals exhibit nucleophilic radical …

Synthesis of α‐Quaternary β‐Lactams via Copper‐Catalyzed Enantioconvergent Radical C(sp3)−C(sp2) Cross‐Coupling with Organoboronate Esters

FL Wang, L Liu, CJ Yang, C Luan… - Angewandte Chemie …, 2023 - Wiley Online Library
The copper‐catalyzed enantioconvergent radical C (sp3)− C (sp2) cross‐coupling of tertiary
α‐bromo‐β‐lactams with organoboronate esters could provide the synthetically valuable α …

Metalloradical Catalysis: General Approach for Controlling Reactivity and Selectivity of Homolytic Radical Reactions

WCC Lee, XP Zhang - Angewandte Chemie International …, 2024 - Wiley Online Library
Since Friedrich Wöhler's groundbreaking synthesis of urea in 1828, organic synthesis over
the past two centuries has predominantly relied on the exploration and utilization of …

Biomimetic asymmetric catalysis

X Xiao, K Xu, ZH Gao, ZH Zhu, C Ye, B Zhao… - Science China …, 2023 - Springer
Enzymes are the core for biological transformations in nature. Their structures and functions
have drawn enormous attention from biologists as well as chemists since last century. The …

Two-and three-photon processes during photopolymerization in 3D laser printing

A Mauri, P Kiefer, P Neidinger, T Messer… - Chemical …, 2024 - pubs.rsc.org
The performance of a photoinitiator is key to control efficiency and resolution in 3D laser
nanoprinting. Upon light absorption, a cascade of competing photophysical processes leads …