Copper-catalysed difluorocarbene transfer enables modular synthesis

X Zeng, Y Li, QQ Min, XS Xue, X Zhang - Nature Chemistry, 2023 - nature.com
The use of metal catalysts to produce and control the reactivity of carbenes has long offered
a powerful approach to organic synthesis; however, difluorocarbene transfer catalysed by …

A recyclable polyester library from reversible alternating copolymerization of aldehyde and cyclic anhydride

X Zhang, W Guo, C Zhang, X Zhang - Nature Communications, 2023 - nature.com
Our society is pursuing chemically recyclable polymers to accelerate the green revolution in
plastics. Here, we develop a recyclable polyester library from the alternating …

Photosensitized O2 enables intermolecular alkene cyclopropanation by active methylene compounds

DP Poudel, A Pokhrel, RK Tak, M Shankar, R Giri - Science, 2023 - science.org
Cyclopropanes are key features in many preclinical, clinical, and commercial drugs, as well
as natural products. The most prolific technique for their synthesis is the metal-catalyzed …

Catalytic Asymmetric Cyclopropanations with Nonstabilized Carbenes

KE Berger, RJ Martinez, J Zhou… - Journal of the American …, 2023 - ACS Publications
Cyclopropanes are common building blocks in pharmaceuticals, agrochemicals, and
organic materials. The most general methods for the synthesis of chiral cyclopropanes are …

Carbonyl cross-metathesis via deoxygenative gem-di-metal catalysis

L Zhang, DA Nagib - Nature chemistry, 2024 - nature.com
Carbonyls and alkenes are versatile functional groups, whose reactivities are cornerstones
of organic synthesis. The selective combination of two carbonyls to form an alkene—a …

Complete integration of carbene-transfer chemistry into biosynthesis

J Huang, A Quest, P Cruz-Morales, K Deng, JH Pereira… - Nature, 2023 - nature.com
Biosynthesis is an environmentally benign and renewable approach that can be used to
produce a broad range of natural and, in some cases, new-to-nature products. However …

Diastereoselective synthesis of cyclopropanes from carbon pronucleophiles and alkenes

MJ Kim, DJ Wang, K Targos, UA Garcia… - Angewandte …, 2023 - Wiley Online Library
Cyclopropanes are desirable structural motifs with valuable applications in drug discovery
and beyond. Established alkene cyclopropanation methods give rise to cyclopropanes with …

Carbenes from cyclopropanated aromatics

AD Roth, DM Thamattoor - Organic & Biomolecular Chemistry, 2023 - pubs.rsc.org
Although a ripe old discipline by now, carbene chemistry continues to flourish as both
theorists and experimentalists have shown sustained interest in this area of research. While …

Catalytic Asymmetric Deoxygenative Cyclopropanation Reactions by a Chiral Salen-Mo Catalyst

LY Cao, JL Wang, K Wang, JB Wu… - Journal of the …, 2023 - ACS Publications
The catalytic asymmetric cyclopropanation reaction of alkenes with diazo compounds is a
direct and powerful method to construct chiral cyclopropanes that are essential to drug …

Redox Approaches to Carbene Generation in Catalytic Cyclopropanation Reactions

M Liu, C Uyeda - Angewandte Chemie International Edition, 2024 - Wiley Online Library
Transition metal‐catalyzed carbene transfer reactions have a century‐old history in organic
chemistry and are a primary method for the synthesis of cyclopropanes. Much of the work in …