Asymmetric phase-transfer catalysis

HJ Lee, K Maruoka - Nature Reviews Chemistry, 2024 - nature.com
Over the past three decades, chiral phase-transfer catalysts (PTCs) have emerged as highly
successful organocatalysts in a diverse range of asymmetric reactions. A substantial number …

Enantioselective Nitrene Transfer to Hydrocinnamyl Alcohols and Allylic Alcohols Enabled by Systematic Exploration of the Structure of Ion-Paired Rhodium Catalysts

NJ Hodson, S Takano, A Fanourakis… - Journal of the American …, 2024 - ACS Publications
This work describes highly enantioselective nitrene transfer to hydrocinnamyl alcohols
(benzylic C–H amination) and allylic alcohols (aziridination) using ion-paired Rh (II, II) …

Tertiary Amides as Directing Groups for Enantioselective C− H Amination using Ion‐Paired Rhodium Complexes

KJ Paterson, A Dahiya, BD Williams… - Angewandte …, 2024 - Wiley Online Library
Enantioselective C− H amination at a benzylic methylene is a vital disconnection towards
chiral benzylamines. Here we disclose that butyric and valeric acid‐derived tertiary amides …

Enantioselective Phase-Transfer-Catalyzed Synthesis of Spirocyclic Azetidine Oxindoles

AJ Boddy, AK Sahay, EL Rivers, AJP White… - Organic …, 2024 - ACS Publications
Spiro-3, 2′-azetidine oxindoles combine two independently important pharmacophores in
an understudied spirocyclic motif that is attractive for medicinal chemistry. Here, the …

Theoretical Insight into the Multiple Roles of the Silyl-Phenanthroline Ligand in Ir-Catalyzed C(sp3)–H Borylation

LY Bao, JS Wang, L Li, RL Zhong… - The Journal of Organic …, 2024 - ACS Publications
Silyl-phenanthroline (NN′ Si) ligand ancillary iridium-catalyzed C (sp3)–H borylation is
investigated theoretically. Density functional theory calculations clearly disclose that the …

[PDF][PDF] Secondary Cationic Interaction Driven Substrate Ligand Affinity for Pd (II)-Catalyzed Enantioselective CH Activation of Ferrocenyl Amines

D Parganiha, RA Thorat, AD Dhumale, YD Upadhyay… - 2024 - chemrxiv.org
Secondary amines as a directing group for CH activation have limitations as they are prone
to undergo oxidation, allylic deamination, and β-hydride elimination. The fundamental …

Transition Metal-Catalyzed Functionalizations of C–H Bonds Utilizing Chiral Bifunctional Ligands

AM Impelmann - 2024 - mediatum.ub.tum.de
Phenanthroline and bipyridine scaffolds are among the most widely used chelating ligands
in organic synthesis. In this Ph. D. thesis, new chiral ligands were developed, combining the …