Late-stage C–H functionalization of azines

CM Josephitis, HMH Nguyen, A McNally - Chemical reviews, 2023 - ACS Publications
Azines, such as pyridines, quinolines, pyrimidines, and pyridazines, are widespread
components of pharmaceuticals. Their occurrence derives from a suite of physiochemical …

Skeletal editing of pyridines through atom-pair swap from CN to CC

Q Cheng, D Bhattacharya, M Haring, H Cao… - Nature Chemistry, 2024 - nature.com
Skeletal editing is a straightforward synthetic strategy for precise substitution or
rearrangement of atoms in core ring structures of complex molecules; it enables quick …

Radical and ionic meta-C–H functionalization of pyridines, quinolines, and isoquinolines

H Cao, Q Cheng, A Studer - Science, 2022 - science.org
Carbon-hydrogen (C− H) functionalization of pyridines is a powerful tool for the rapid
construction and derivatization of many agrochemicals, pharmaceuticals, and materials …

Palladium (II)‐Catalyzed C− H Activation with Bifunctional Ligands: From Curiosity to Industrialization

K Wu, N Lam, DA Strassfeld, Z Fan, JX Qiao… - Angewandte …, 2024 - Wiley Online Library
In 2001, our curiosity to understand the stereochemistry of C− H metalation with Pd
prompted our first studies in Pd (II)‐catalyzed asymmetric C− H activation (RSC Research …

Transannular C–H functionalization of cycloalkane carboxylic acids

G Kang, DA Strassfeld, T Sheng, CY Chen, JQ Yu - Nature, 2023 - nature.com
Cyclic organic molecules are common among natural products and pharmaceuticals,. In fact,
the overwhelming majority of small-molecule pharmaceuticals contain at least one ring …

Remote site-selective arene C–H functionalization enabled by N-heterocyclic carbene organocatalysis

QZ Li, WL Zou, ZY Yu, XX Kou, YQ Liu, X Zhang… - Nature Catalysis, 2024 - nature.com
Catalytic site-selective functionalization of distal C–H bonds represents a formidable
challenge in organic synthesis. Particularly, the precise functionalization of distal aromatic C …

Dual-Ligand Catalyst for the Nondirected C–H Olefination of Heteroarenes

G Meng, Z Wang, HSS Chan, N Chekshin… - Journal of the …, 2023 - ACS Publications
Pd (II)-catalyzed nondirected C–H functionalization of heteroarenes is a significant
challenge for the following reasons: poor reactivity of electron-deficient heterocycles and the …

Regioselective radical alkylation of arenes using evolved photoenzymes

CG Page, J Cao, DG Oblinsky… - Journal of the …, 2023 - ACS Publications
Substituted arenes are ubiquitous in molecules with medicinal functions, making their
synthesis a critical consideration when designing synthetic routes. Regioselective C–H …

Iridium nitrenoid-enabled arene C− H functionalization

LW Qi, T Rogge, KN Houk, Y Lu - Nature Catalysis, 2024 - nature.com
Direct arene C− H functionalization via nucleophilic aromatic substitution remains a
challenging task. Here we report an iridium nitrenoid-catalysed arene C− H functionalization …

Functionalized Cycloolefin Ligand as a Solution to Ortho-Constraint in the Catellani-Type Reaction

FY Wang, YX Li, L Jiao - Journal of the American Chemical …, 2023 - ACS Publications
The Catellani reaction, ie, the Pd/norbornene (NBE) catalysis, has been evolved into a
versatile approach to multisubstituted arenes via the ortho-functionalization/ipso-termination …