Catalytic enantioselective formation of C− C bonds by addition to imines and hydrazones: A ten-year update

S Kobayashi, Y Mori, JS Fossey, MM Salter - Chemical reviews, 2011 - ACS Publications
Chiral molecules containing asymmetric carbon centers bonded with nitrogen are ubiquitous
in nature and also form important structural fragments in both natural and man-made …

Asymmetric construction of stereogenic carbon centers featuring a trifluoromethyl group from prochiral trifluoromethylated substrates

J Nie, HC Guo, D Cahard, JA Ma - Chemical reviews, 2011 - ACS Publications
Organofluorine chemistry is an area of tremendous expansion. 1 The field of applications is
impressively wide in scope and has the potential to concern all fields of society. Indeed …

Stereodivergent synthesis of α, α-disubstituted α-amino acids via synergistic Cu/Ir catalysis

L Wei, Q Zhu, SM Xu, X Chang… - Journal of the American …, 2018 - ACS Publications
Cu/Ir dual catalysis has been developed for the stereodivergent α-allylation of aldimine
esters. The method enables the preparation of a series of nonproteinogenic α-amino acids …

Modular α-tertiary amino ester synthesis through cobalt-catalysed asymmetric aza-Barbier reaction

X Wu, H Xia, C Gao, B Luan, L Wu, C Zhang, D Yang… - Nature Chemistry, 2024 - nature.com
Unnatural chiral α-tertiary amino acids containing two different carbon-based substituents at
the α-carbon centre are widespread in biologically active molecules. This sterically rigid …

Catalytic asymmetric umpolung reactions of imines

Y Wu, L Hu, Z Li, L Deng - Nature, 2015 - nature.com
The carbon–nitrogen double bonds in imines are fundamentally important functional groups
in organic chemistry. This is largely due to the fact that imines act as electrophiles towards …

Catalyst‐Controlled Regiodivergent and Enantioselective Formal Hydroamination of N,N‐Disubstituted Acrylamides to α‐Tertiary‐α‐Aminolactam and β‐Aminoamide …

S Wang, L Shi, XY Chen, W Shu - … Chemie International Edition, 2023 - Wiley Online Library
Enantioenriched α‐tertiary‐α‐aminoacid and α‐chiral‐β‐aminoacid derivatives play an
important role in biological science and pharmaceutical chemistry. Thus, the development of …

Simple branched sulfur–olefins as chiral ligands for Rh-catalyzed asymmetric arylation of cyclic ketimines: highly enantioselective construction of tetrasubstituted …

H Wang, T Jiang, MH Xu - Journal of the American Chemical …, 2013 - ACS Publications
New, simple, sulfinamide-based branched olefin ligands have been developed and
successfully used in Rh-catalyzed asymmetric arylations of cyclic ketimines, providing …

Recent advances in asymmetric catalytic methods for the formation of acyclic α, α-disubstituted α-amino acids

AE Metz, MC Kozlowski - The Journal of organic chemistry, 2015 - ACS Publications
Because of their greater stability and unique conformational properties, unnatural amino
acids are highly valued by pharmaceutical, biological, and organic chemists. This synopsis …

Cu-Catalyzed α-Alkylation of Glycine Derivatives for C(sp3)–H/C(sp3)–H Bond Selective Functionalization

H Xiang, Y Ye - ACS Catalysis, 2023 - ACS Publications
Herein, we present the example of Cu-catalyzed oxidation coupling of amino acids/peptides
for producing α-alkylated unnatural glycine derivatives by the activation of double C (sp3) …

Asymmetric Synthesis of (Triaryl)methylamines by Rhodium-Catalyzed Addition of Arylboroxines to Cyclic N-Sulfonyl Ketimines

T Nishimura, A Noishiki, G Chit Tsui… - Journal of the American …, 2012 - ACS Publications
Asymmetric addition of arylboroxines to cyclic N-sulfonyl ketimines proceeded in the
presence of a rhodium catalyst coordinated with a chiral diene ligand to give high yields of …