Dihydroquinazolinones as adaptative C(sp3) handles in arylations and alkylations via dual catalytic C–C bond-functionalization

XY Lv, R Abrams, R Martin - Nature Communications, 2022 - nature.com
C–C bond forming cross-couplings are convenient technologies for the construction of
functional molecules. Consequently, there is continual interest in approaches that can …

Recent developments in transannular reactions

E Reyes, L Prieto, L Carrillo, U Uria, JL Vicario - Synthesis, 2022 - thieme-connect.com
Transannular reactions have shown a remarkable performance for the construction of
polycyclic scaffolds from medium-or large-sized cyclic molecules in an unconventional …

Divergent Rh Catalysis: Asymmetric Dearomatization Versus C–H Activation Initiated by C–C Activation

X Li, L Hu, S Ma, H Yu, G Lu, T Xu - ACS Catalysis, 2023 - ACS Publications
The divergent catalytic reactions based on C–C activation of benzocyclobutenones have
been discovered, consisting of a highly enantioselective dearomatic “Cut & Sew” …

Type I [4σ+ 4π] versus [4σ+ 4π− 1] Cycloaddition To Access Medium‐Sized Carbocycles and Discovery of a Liver X Receptor β‐Selective Ligand

C Jiang, L Hu, S Shen, J Zhang, X Wang… - Angewandte Chemie …, 2024 - Wiley Online Library
Abstract Transition‐metal‐catalyzed [4+ 4] cycloaddition leading to cyclooctanoids has
centered on dimerization between 1, 3‐diene‐type substrates. Herein, we describe a [4σ+ …

Dual activation strategy to achieve C–C cleavage of cyclobutanes: Development and mechanism of Rh and Zn cocatalyzed [4+ 2] cycloaddition of yne …

GY Zhang, P Zhang, BW Li, K Liu, J Li… - Journal of the American …, 2022 - ACS Publications
Reported here is the Rh and Zn cocatalyzed [4+ 2] cycloaddition of newly designed yne-
vinylcyclobutanones, which can generate 5/6 or 6/6 bicyclic products with an all-carbon …

Enantioselective Total Syntheses of (−)-Caulamidine D and (−)-Isocaulamidine D and Their Absolute Configuration Reassignment

H Yu, J Zhang, D Ma, X Li, T Xu - Journal of the American …, 2023 - ACS Publications
The first enantioselective total syntheses of (−)-caulamidine D (5) and (−)-isocaulamidine D
(6) were accomplished. Their absolute configurations were unambiguously elucidated …

Chemo- and Diastereoselective Acylfluorination of Nonactivated Olefins to Access Benzo[b]azepines

X Liu, Y Wang, T Xu - Organic Letters, 2023 - ACS Publications
Here, we describe a transition-metal-free condition that realized the intramolecular
acylfluorination of unactivated olefins. It was designed to access seven-membered-ring …

Diastereo‐and Enantioselective Synthesis of Tetracyclic Cycloheptanols through (4+ 3) Annulation via C− C/C− H Activation Cascade

X Yan, M Liu, D Pan, Q Wang, Q Tang… - Angewandte Chemie …, 2024 - Wiley Online Library
Transition metal‐catalyzed annulations of four‐membered rings via C− C activation are
powerful tools to construct complex fused and bridged ring systems. Despite significant …

Rh-Catalyzed Cascade C–C/Colefin–H Activations and Mechanistic Insight

Y Wang, B Qiu, L Hu, G Lu, T Xu - ACS Catalysis, 2021 - ACS Publications
A reverse concerted metalation–deprotonation (CMD) process has been proposed as a key
step to rationalize our newly discovered Rh-catalyzed C–C/Colefin–H cascade reaction to …

Ru (II)-Catalyzed C–H activation/annulation reactions of N-aryl-pyrazolidinones with sulfoxonium ylides: synthesis of cinnoline-fused pyrazolidinones

HS Jin, YZ Du, QY Zhao, LM Zhao - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
The first Ru (II)-catalyzed cascade C–H activation/annulation reactions of N-aryl-
pyrazolidinones with sulfoxonium ylides for the synthesis of cinnoline-fused pyrazolidinones …