Methods to functionalize inert C–H bonds are a critical focus of synthetic organic chemistry. In this work the authors use computations and experiments to uncover the mechanisms of palladium-catalysed C–H lactonizations in aromatic carboxylic acids, and ...
Li-Ping Xu +4 more
doaj +1 more source
Iridium-Catalyzed, β-Selective C(sp3)-H Silylation of Aliphatic Amines To Form Silapyrrolidines and 1,2-Amino Alcohols. [PDF]
The functionalization of unactivated C(sp3)-H bonds of aliphatic amines catalyzed by transition-metal complexes is important because amine-based functionality is present in a majority of biologically active molecules and commercial pharmaceuticals ...
Hartwig, John F, Lee, Taegyo, Su, Bo
core +3 more sources
Distal Functionalization via Transition Metal Catalysis
The ubiquitous presence of sp3 C−H bonds in natural feedstock makes them inexpensive, easily accessible, and attractive synthons for the preparation of common and/or complex molecular frameworks in biologically active natural products, pharmaceutics ...
Haibo Ge
doaj +1 more source
Site-Selective C−H Arylation of Primary Aliphatic Amines Enabled by a Catalytic Transient Directing Group [PDF]
Transition-metal-catalysed direct C–H bond functionalization of aliphatic amines is of great importance in organic and medicinal chemistry research. Several methods have been developed for the direct sp3 C–H functionalization of secondary and tertiary ...
Ge, Haibo, Liu, Yongbing
core +1 more source
Synthesis of Phthalides and α,β-butenolides by Transition Metal-Catalyzed Activation of C—H Bonds
Phthalides and α,β-butenolides are two related classes of oxygenated heterocycles with a wide range of biological activities. An innovative strategy to prepare these compounds is based on C—H bond functionalization reactions, in which two
Andrea Renzetti, Kozo Fukumoto
doaj +1 more source
Disclosed herein is a novel Rh/Ag co-catalyzed SNH directed C–H activation and C–H/N–H bond functionalization protocol of free NH-sulfoximines with hypervalent iodonium ylides.
Jiapian Huang +4 more
doaj +1 more source
Manganese(I)-Catalyzed C−H Activation : The Key Role of a 7-Membered Manganacycle in H-Transfer and Reductive Elimination [PDF]
Manganese-catalyzed C−H bond activation chemistry is emerging as a powerful and complementary method for molecular functionalization. A highly reactive seven-membered MnIintermediate is detected and characterized that is effective for H-transfer or ...
Ackermann +32 more
core +1 more source
Regioselective Access to Sultam Motifs through Cobalt-Catalyzed Annulation of Aryl Sulfonamides and Alkynes using an 8-Aminoquinoline Directing Group [PDF]
The use of cobalt as catalyst in direct C[BOND]H activation protocols as a replacement for more expensive second row transition metals is currently attracting significant attention.
Ackermann +78 more
core +1 more source
A first example of cobalt-catalyzed remote C-H functionalization of 8-aminoquinolines operating through a single electron transfer mechanism [PDF]
The development of new C[BOND]H functionalization protocols based on inexpensive cobalt catalysts is currently attracting significant interest. Functionalized 8-aminoquinoline compounds are high-potential building blocks in organic chemistry and ...
Ackermann +49 more
core +1 more source
Robust molecular trends in Pd-catalyzed C(sp2/sp3)-H activation reactions – A review
Direct functionalization of inert C–H bonds into various C-X (X = C, N, O, S) functionalities is one of the frontier research topics and regularly gaining popularities among the communities of scientists by providing opportunities for direct synthesis of
Pravati Panda +2 more
doaj +1 more source

