Recent advances in the enantioselective synthesis of chiral amines via transition metal-catalyzed asymmetric hydrogenation

A Cabré, X Verdaguer, A Riera - Chemical Reviews, 2021 - ACS Publications
Chiral amines are key structural motifs present in a wide variety of natural products, drugs,
and other biologically active compounds. During the past decade, significant advances have …

Recent advances on transition-metal-catalysed asymmetric reductive amination

Y Tian, YZ Wang, X Zhang, Q Yin - Organic Chemistry Frontiers, 2021 - pubs.rsc.org
Transition-metal-catalysed asymmetric reductive amination (ARA) represents one of the
most straightforward methods to access chiral amines, which converts easily accessible …

Recent progress in transition-metal-catalyzed asymmetric reductive amination

NUD Reshi, VB Saptal, M Beller, JK Bera - ACS Catalysis, 2021 - ACS Publications
Asymmetric reductive amination (ARA) of a prochiral carbonyl compound with an amine
using a H2/hydrogen surrogate is a concise and operationally simple method for the …

Asymmetric Synthesis of Chiral Primary Amines by Ruthenium-Catalyzed Direct Reductive Amination of Alkyl Aryl Ketones with Ammonium Salts and Molecular H2

X Tan, S Gao, W Zeng, S Xin, Q Yin… - Journal of the American …, 2018 - ACS Publications
A ruthenium/C3-TunePhos catalytic system has been identified for highly efficient direct
reductive amination of simple ketones. The strategy makes use of ammonium acetate as the …

Nickel‐catalyzed N‐alkylation of acylhydrazines and arylamines using alcohols and enantioselective examples

P Yang, C Zhang, Y Ma, C Zhang, A Li… - Angewandte Chemie …, 2017 - Wiley Online Library
A borrowing‐hydrogen reaction between amines and alcohols is an atom‐economic way to
prepare alkylamines, ideally with water as the sole byproduct. Herein, nickel catalysts are …

Cobalt‐Catalyzed Asymmetric Hydrogenation of C= N Bonds Enabled by Assisted Coordination and Nonbonding Interactions

Y Hu, Z Zhang, J Zhang, Y Liu… - Angewandte Chemie …, 2019 - Wiley Online Library
An efficient cobalt‐catalyzed asymmetric hydrogenation of C= N bonds has been realized.
Chiral hydrazines were obtained in high yields and with excellent enantioselectivities (95 …

Direct asymmetric ruthenium-catalyzed reductive amination of alkyl–aryl ketones with ammonia and hydrogen

J Gallardo-Donaire, M Hermsen… - Journal of the …, 2018 - ACS Publications
The asymmetric ruthenium-catalyzed reductive amination employing ammonia and
hydrogen to primary amines is described. Here we demonstrate the capability of our catalyst …

Iridium-catalyzed direct asymmetric reductive amination utilizing primary alkyl amines as the N-sources

Z Wu, W Wang, H Guo, G Gao, H Huang… - Nature …, 2022 - nature.com
Direct asymmetric reductive amination is one of the most efficient methods for the
construction of chiral amines, in which the scope of the applicable amine coupling partners …

Impact of Chain Length on Antibacterial Activity and Hemocompatibility of Quaternary N-Alkyl and N,N-Dialkyl Chitosan Derivatives

P Sahariah, BE Benediktssdóttir… - …, 2015 - ACS Publications
A highly efficient method for chemical modification of chitosan biopolymers by reductive
amination to yield N, N-dialkyl chitosan derivatives was developed. The use of 3, 6-O-di-tert …

Nickel‐Catalyzed Asymmetric Transfer Hydrogenation of Hydrazones and Other Ketimines

H Xu, P Yang, P Chuanprasit, H Hirao… - Angewandte Chemie …, 2015 - Wiley Online Library
We report the use of nickel catalysts for the catalytic transfer hydrogenation of hydrazones
and other ketimines with formic acid. Strongly donating bisphosphines must be used to …