A visible-light-promoted metal-free approach for N–H insertions by using donor/donor diazo precursors

Y Zhang, Q Li, P Wang, J Wang, J Lin, D Xia, EJ Hao… - Green …, 2024 - pubs.rsc.org
The metal-catalyzed carbenoid-based N–H insertions of α-stabilized diazo compounds and
relative precursors serve as robust strategies for the formation of C–N bonds. However …

Silver‐Catalyzed Dearomative Skeletal Editing of Indazoles by Donor Carbene Insertion

L Li, H Chen, M Liu, Q Zhu, H Zhang… - … A European Journal, 2024 - Wiley Online Library
Given the prevalence of heterocyclic scaffolds in drug‐related molecules, converting these
highly modular heterocyclic scaffolds into structural diversified and dearomatized analogs is …

Copper‐Catalyzed Chemoselective Divergent Carbene Insertion into the N− H bonds of Tryptamines

D Kumar, M Rao Kuram - Advanced Synthesis & Catalysis, 2023 - Wiley Online Library
Easy access to divergent products with chemoselectivity is of great importance in organic
synthesis. Herein, we have developed a chemoselective copper‐catalyzed carbene …

Rhodium (II)-Catalyzed Alkynyl Carbene Insertion into N–H Bonds

A Sharma, H Vaid, R Kotwal, ZN Mughal… - Organic …, 2024 - ACS Publications
The first insertion of an alkynyl carbene into N–H bonds under Rh-catalysis is developed.
Alkynyl hydrazone carboxylates are used as donor–acceptor carbene precursors and are …

Catalyst-free electro-photochemical insertion reactions of carbene anion radicals by convergent paired electrolysis

S Singh, S Rath, S Bera, D Maiti, S Sen - Cell Reports Physical Science, 2024 - cell.com
Paired electrolysis is an energy-efficient electrochemical reaction where both anodic and
cathodic electron flow directly induces product formation with maximum faradaic efficiency …

Ligand-enabled silver-catalyzed carbene insertion into the N–H bond of aliphatic and electron-rich aromatic amines

L Li, P Sivaguru, X Han, S Karmakar… - Organic Chemistry …, 2023 - pubs.rsc.org
Despite the recent flurry of silver catalysis in modern synthetic organic chemistry, silver-
catalyzed carbene insertion into the N–H bonds remain scarce and limited to electron-poor …

Silver-Mediated Homocoupling of Arylboronic Acids

T Sakaguchi, K Fukuoka, T Matsuki, M Kawase… - Synlett, 2024 - thieme-connect.com
Here we describe a homocoupling reaction of arylboronic acid facilitated by silver
carbonate, which proceeds smoothly in MeOH even at ambient temperature. The reaction …

A Combination of Computational and Experimental Studies to Correlate Electronic Structure and Reactivity of Donor–Acceptor Singlet Carbenes

S Singh, L Gremaud, S Sen, D Maiti - Synlett, 2024 - thieme-connect.com
Most of the reactivities of donor–acceptor (D–A) singlet carbenes are similar to metal
carbenoids. However, the lone pair at the carbenoid carbon, coordinated with metal, is free …

Aryl/aryl diazoalkanes in rhodium (II)-catalyzed rearrangements of sulfur ylides

L Kloene, S Jana, C Empel… - Australian Journal of …, 2022 - CSIRO Publishing
Sigmatropic rearrangement reactions are of prime interest in the construction of small
complex molecules and find widespread application in drug discovery and natural product …