Palladium-Catalyzed Oxidation of β-C(sp3)–H Bonds of Primary Alkylamines through a Rare Four-Membered Palladacycle Intermediate

B Su, A Bunescu, Y Qiu, SJ Zuend… - Journal of the …, 2020 - ACS Publications
Site-selective functionalizations of C–H bonds are often achieved with a directing group that
leads to five-or six-membered metallacyclic intermediates. Analogous reactions that occur …

Sulfonamide‐Promoted Palladium(II)‐Catalyzed Alkylation of Unactivated Methylene C(sp3)H Bonds with Alkyl Iodides

K Chen, BF Shi - Angewandte Chemie, 2014 - Wiley Online Library
The alkylation of unactivated β‐methylene C (sp3) H bonds of α‐amino acid substrates
with a broad range of alkyl iodides using Pd (OAc) 2 as the catalyst is described. The …

Metal-free, highly efficient organocatalytic amination of benzylic C–H bonds

Q Xue, J Xie, H Li, Y Cheng, C Zhu - Chemical Communications, 2013 - pubs.rsc.org
A new synthetic approach toward direct C–N bond formation through sp3 C–H activation has
been developed under metal-free conditions. Both primary and secondary benzylic C–H …

Breaking the base barrier: an electron-deficient palladium catalyst enables the use of a common soluble base in C–N coupling

JM Dennis, NA White, RY Liu… - Journal of the American …, 2018 - ACS Publications
Due to the low intrinsic acidity of amines, palladium-catalyzed C–N cross-coupling has been
plagued continuously by the necessity to employ strong, inorganic, or insoluble bases. To …

Palladium(II)-Catalyzed Intramolecular Tandem Aminoalkylation via Divergent C(sp3)–H Functionalization

W Du, Q Gu, Z Li, D Yang - Journal of the American Chemical …, 2015 - ACS Publications
We have developed a Pd (II)-catalyzed oxidative tandem aminoalkylation via divergent C
(sp3)–H functionalization, affording three-and five-membered-ring fused indolines in good …

Amine directed Pd (ii)-catalyzed C–H bond functionalization under ambient conditions

B Haffemayer, M Gulias, MJ Gaunt - Chemical Science, 2011 - pubs.rsc.org
Pd (II)-catalyzed C–H bond functionalizations that proceed under ambient conditions are a
pivotal part of the future of chemical synthesis. Herein, an amine directed Pd (II)-catalyzed C …

Palladium‐Catalyzed Branch‐ and Z‐Selective Allylic C−H Amination with Aromatic Amines

R Liu, ML Shen, LF Fan, XL Zhou… - Angewandte Chemie …, 2023 - Wiley Online Library
Allylamines are important building blocks in the synthesis of bioactive compounds. The
direct coupling of allylic C− H bonds and commonly available amines is a major synthetic …

Developing ligands for palladium (II)-catalyzed C–H functionalization: intimate dialogue between ligand and substrate

KM Engle, JQ Yu - The Journal of organic chemistry, 2013 - ACS Publications
Homogeneous transition-metal-catalyzed reactions are indispensable to all facets of modern
chemical synthesis. It is thus difficult to imagine that for much of the early 20th century, the …

C–H functionalizations by palladium carboxylates: the acid effect

J Vana, J Bartacek, J Hanusek… - The Journal of …, 2019 - ACS Publications
Finding optimal reaction conditions is usually complex, requires many experiments, and is
therefore demanding in terms of human, financial, and environmental resources. This work …

Recent developments in palladium-catalysed non-directed C–H bond activation in arenes

S Kancherla, KB Jørgensen, MÁ Fernández-Ibáñez - Synthesis, 2019 - thieme-connect.com
Over the past decades, organic chemists have focussed on developing new approaches to
directed C–H functionalisations, where the site selectivity is steered by the presence of a …