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 …

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 …

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 …

Visible-Light-Mediated Energy Transfer Enables Cyclopropanes Bearing Contiguous All-Carbon Quaternary Centers

D Xia, R Wu, J Wang, X Han, Y Li, Q Li, X Luan… - ACS …, 2023 - ACS Publications
Cyclopropanes bearing contiguous all-carbon quaternary centers continue to attract
attention due to their bioactivities. However, methods to obtain cyclopropanes with …

Decarboxylative tandem CN coupling with nitroarenes via SH2 mechanism

S Wang, T Li, C Gu, J Han, CG Zhao, C Zhu… - Nature …, 2022 - nature.com
Aromatic tertiary amines are one of the most important classes of organic compounds in
organic chemistry and drug discovery. It is difficult to efficiently construct tertiary amines from …

Diastereoselective Transfer of Tri (di) fluoroacetylsilanes‐Derived Carbenes to Alkenes

Y Zhang, G Zhou, X Gong, Z Guo, X Qi… - Angewandte …, 2022 - Wiley Online Library
Stereoselective cyclopropanation reaction of alkenes is usually achieved by metal
complexes via singlet‐metal‐carbene intermediates. However, previous transition‐metal …

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 …

Asymmetric radical bicyclization for stereoselective construction of tricyclic chromanones and chromanes with fused cyclopropanes

WCC Lee, J Wang, Y Zhu… - Journal of the American …, 2023 - ACS Publications
Asymmetric radical bicyclization processes have been developed via metalloradical
catalysis (MRC) to stereoselectively construct chiral chromanones and chromanes bearing …