Green chemistry in the synthesis of pharmaceuticals

S Kar, H Sanderson, K Roy, E Benfenati… - Chemical …, 2021 - ACS Publications
The principles of green chemistry (GC) can be comprehensively implemented in green
synthesis of pharmaceuticals by choosing no solvents or green solvents (preferably water) …

Transition-metal-catalyzed reductive amination employing hydrogen

T Irrgang, R Kempe - Chemical Reviews, 2020 - ACS Publications
The reductive amination, the reaction of an aldehyde or a ketone with ammonia or an amine
in the presence of a reducing agent and often a catalyst, is an important amine synthesis …

Catalytic reductive aminations using molecular hydrogen for synthesis of different kinds of amines

K Murugesan, T Senthamarai… - Chemical Society …, 2020 - pubs.rsc.org
Reductive aminations constitute an important class of reactions widely applied in research
laboratories and industries for the synthesis of amines as well as pharmaceuticals …

Liquid crystal assembly for ultra-dissymmetric circularly polarized luminescence and beyond

Y Wu, M Li, Z Zheng, ZQ Yu… - Journal of the American …, 2023 - ACS Publications
Circularly polarized luminescence (CPL) is attracting much interest because it can carry
extensive optical information. CPL shows left-or right-handedness and can be regarded as …

Nickel-catalyzed hydrogenative coupling of nitriles and amines for general amine synthesis

VG Chandrashekhar, W Baumann, M Beller… - Science, 2022 - science.org
Efficient and general methods for the synthesis of amines remain in high demand in the
chemical industry. Among the many known processes, catalytic hydrogenation is a cost …

Multifunctional biocatalyst for conjugate reduction and reductive amination

TW Thorpe, JR Marshall, V Harawa, RE Ruscoe… - Nature, 2022 - nature.com
Chiral amine diastereomers are ubiquitous in pharmaceuticals and agrochemicals, yet their
preparation often relies on low-efficiency multi-step synthesis. These valuable compounds …

Catalytic asymmetric reductive hydroalkylation of enamides and enecarbamates to chiral aliphatic amines

JW Wang, Y Li, W Nie, Z Chang, ZA Yu, YF Zhao… - Nature …, 2021 - nature.com
To increase the reliability and success rate of drug discovery, efforts have been made to
increase the C (sp 3) fraction and avoid flat molecules. sp 3-Rich enantiopure amines are …

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 …

Metal-catalyzed asymmetric hydrogenation of C═ N bonds

RAA Abdine, G Hedouin, F Colobert… - ACS …, 2020 - ACS Publications
This Review recaps the achievements in the field of metal-catalyzed asymmetric direct
hydrogenation of nonactivated and activated imines. A summary of the reported catalytic …

Synergy between homogeneous and heterogeneous catalysis

F Poovan, VG Chandrashekhar, K Natte… - Catalysis Science & …, 2022 - pubs.rsc.org
Catalysis plays a decisive role in the advancement of sustainable processes in chemical,
pharmaceutical, and agrochemical industries as well as petrochemical, material, and energy …