Further developments and applications of oxazoline-containing ligands in asymmetric catalysis

R Connon, B Roche, BV Rokade, PJ Guiry - Chemical Reviews, 2021 - ACS Publications
The chiral oxazoline motif is present in many ligands that have been extensively applied in a
series of important metal-catalyzed enantioselective reactions. This Review aims to provide …

Catalytic asymmetric dearomatization reactions

CX Zhuo, W Zhang, SL You - … Chemie International Edition, 2012 - Wiley Online Library
This Review summarizes the development of catalytic asymmetric dearomatization (CADA)
reactions. The CADA reactions discussed herein include oxidative dearomatization …

Catalytic asymmetric synthesis of oxindoles bearing a tetrasubstituted stereocenter at the C‐3 position

F Zhou, YL Liu, J Zhou - Advanced Synthesis & Catalysis, 2010 - Wiley Online Library
Abstract The 3, 3′‐disubstituted oxindole structural motif is a prominent feature in many
alkaloid natural products, which include all kinds of tetrasubstituted carbon stereocenters …

Oxindole: A chemical prism carrying plethora of therapeutic benefits

M Kaur, M Singh, N Chadha, O Silakari - European Journal of Medicinal …, 2016 - Elsevier
Oxindole has emerged as a valuable scaffold in medicinal chemistry possessing diverse
range of pharmacological activities. Its value has further been increased by its natural …

Recent advances in metal-catalysed asymmetric sigmatropic rearrangements

Y Liu, X Liu, X Feng - Chemical Science, 2022 - pubs.rsc.org
Asymmetric sigmatropic rearrangement is a powerful organic transformation via substrate-
reorganization to efficiently increase molecular complexity from readily accessible starting …

Brønsted Acid Catalyzed Dearomatization by Intramolecular Hydroalkoxylation/Claisen Rearrangement: Diastereo‐and Enantioselective Synthesis of Spirolactams

PF Chen, B Zhou, P Wu, B Wang… - Angewandte Chemie …, 2021 - Wiley Online Library
Described herein is a novel Brønsted acid catalyzed intramolecular hydroalkoxylation/
Claisen rearrangement, allowing the practical and atom‐economic synthesis of a range of …

Rapid Access to 2, 2-Disubstituted Indolines via Dearomative Indolic-Claisen Rearrangement: Concise, Enantioselective Total Synthesis of (+)-Hinckdentine A

D Baidilov, PK Elkin, S Athe… - Journal of the American …, 2023 - ACS Publications
The construction of 2, 2-disubstituted indolines has long presented a synthetic challenge
without any general solutions. Herein, we report a robust protocol for the dearomative …

An enantioselective Claisen rearrangement catalyzed by N-heterocyclic carbenes

J Kaeobamrung, J Mahatthananchai… - Journal of the …, 2010 - ACS Publications
In the presence of a chiral azolium salt (10 mol%), enols and ynals undergo a highly
enantioselective annulation reaction to form enantiomerically enriched dihydropyranones …

The palladium catalyzed asymmetric addition of oxindoles and allenes: an atom-economical versatile method for the construction of chiral indole alkaloids

BM Trost, J Xie, JD Sieber - Journal of the American Chemical …, 2011 - ACS Publications
The Pd-catalyzed asymmetric allylic alkylation (AAA) is one of the most useful and versatile
methods for asymmetric synthesis known in organometallic chemistry. Development of this …

One-pot tandem approach to spirocyclic oxindoles featuring adjacent spiro-stereocenters.

YL Liu, X Wang, YL Zhao, F Zhu… - Angewandte …, 2013 - search.ebscohost.com
All in a sequence: An organocatalyzed Morita–Baylis–Hillman (MBH)/bromination/[3+ 2]
annulation sequence for highly stereoselective syntheses of bis (spirooxindole) s featuring …