نتایج جستجو برای: isatin schiff bases

تعداد نتایج: 72718  

Journal: :ChemSusChem 2008
Suman Jain Oliver Reiser

The copper-catalyzed [3+2] azide-alkyne cycloaddition and the Staudinger ligation are readily applicable and highly efficient for the immobilization of cobalt Schiff base complexes onto polystyrene resins. Stepwise synthesis of polymer-bound Schiff bases followed by their subsequent complexation with metal ions were successfully carried out. Direct covalent attachment of preformed homogeneous c...

2016
Hugo Schiff

Metal chelates of Schiff base prepared by combining salicylaldehyde and amino acids could be effectively used in understanding the mechanism of transamination reaction. They can act as biomimetic species. The current article focused on the syntheses, characterization, complexation behaviour and antimicrobial studies of some novel Schiff bases formed from salicylaldehyde with 3-amino benzoic aci...

2017
Heng Luo Yu-Fen Xia Bao-Fei Sun Li-Rong Huang Xing-Hui Wang Hua-Yong Lou Xu-Hui Zhu Wei-Dong Pan Xiao-Dong Zhang

To get inside the properties of N,N-disubstituted Schiff bases, we synthesized three high-yielding benzaldehyde Schiff bases. We used the reaction between salicylaldehyde and different diamine compounds, including diamine, ethanediamine, and o-phenylenediamine, determining the structure of obtained molecules by nuclear magnetic resonance spectroscopy and electrospray ionization mass spectroscop...

2016
Margarita Malakyan Nelly Babayan Ruzanna Grigoryan Natalya Sarkisyan Vahan Tonoyan Davit Tadevosyan Vladimir Matosyan Rouben Aroutiounian Arsen Arakelyan

Schiff bases and their metal-complexes are versatile compounds exhibiting a broad range of biological activities and thus actively used in the drug development process. The aim of the present study was the synthesis and characterization of new Schiff bases and their copper (II) complexes, derived from L-tryptophan and isomeric (2-; 3-; 4-) pyridinecarboxaldehydes, as well as the assessment of t...

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2007

2017
Sanjiv Kumar Siong Meng Lim Kalavathy Ramasamy Mani Vasudevan Syed Adnan Ali Shah Manikandan Selvaraj Balasubramanian Narasimhan

BACKGROUND Heterocyclic pyrimidine nucleus, which is an essential base component of the genetic material of deoxyribonucleic acid, demonstrated various biological activities. A series of bis-pyrimidine Schiff bases were synthesized and screened for its antimicrobial and anticancer potentials. The molecular docking study was carried to find the interaction between active molecules with receptor....

Journal: :Acta Crystallographica Section A Foundations of Crystallography 2005

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