Asymmetric Hydrogenation: Design of Chiral Ligands and Transition Metal Complexes. Synthetic and Industrial Applications.

Author(s):  
Jean‐Pierre Genêt ◽  
Phannarath Phansavath ◽  
Virginie Ratovelomanana‐Vidal
2018 ◽  
Vol 5 (1) ◽  
pp. 24-35 ◽  
Author(s):  
Neha Mathur ◽  
Nisha Jain ◽  
A.K. Sharma

Background: Heterocyclic complexes in the current era are aimed at evaluating as new products that possess wide biological, pharmacological, agricultural, medicinal, industrial applications and many more highly significant uses. Although they have been known from long ago for their great biocidal significance, still the researchers pay a great attention for profiling the pharmacological view of novel macrocycles like benzothiazoles. Increasing number of microbial infectious diseases and resistant pathogens create a demand and urgency to develop novel, potent, safe and improved variety of antimicrobial agents. Objective: This initiates a task for current chemistry to synthesize compounds that show promising activity as therapeutic agents with lower toxicity. It is very necessary to introduce new and biologically safe and active drugs eco-friendly in nature and effective as antimicrobial agents. Methods: Transition metal complexes share an important place in this regards. Therefore in this paper we report the synthesis and characterization of transition metal complex of N/S ligand by FT-IR, NMR, ESR, elemental analysis, conductometric and magnetic moment measurements. The synthesized metal complexes were successfully investigated for biological activities namely antifungal. Results: Based on the results we pronounced biocidal activities of the novel complexes. Concerned complexes contribute diverse applications by being more economical, harmless, non -toxic and eco-environmental friendly.


2006 ◽  
Vol 78 (2) ◽  
pp. 257-265 ◽  
Author(s):  
Silvia Cabrera ◽  
Olga García Mancheño ◽  
Ramón Gómez Arrayás ◽  
Inés Alonso ◽  
Pablo Mauleón ◽  
...  

Structurally well-defined transition-metal complexes of 1-phosphino-2-sulfenylferrocene (Fesulphos ligands) act as highly efficient catalysts in a variety of mechanistically different transformations. Excellent enantioselectivities were achieved in Pd-catalyzed allylic substitutions, desymmetrization of meso-heterobicyclic alkenes by Pd-catalyzed addition of dialkylzinc reagents, Pd-catalyzed Diels-Alder reaction of cyclopentadiene with N-acryloyl oxazolidinones, and in Cu-catalyzed formal aza-Diels-Alder reaction of Danishefsky diene to N-sulfonyl aldimines.


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