[PDF] Top 20 Synthesis and Characterization of Some New Substituted Azo-Coumarin and Schiff’s Bases
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Synthesis and Characterization of Some New Substituted Azo-Coumarin and Schiff’s Bases
... of new Azo-coumarins and Schiff’s bases were synthesized by the condensation of 2-methoxy-5-methyl phenyl Azo-salicylaldehyde with different substituted phenyl malon-anilic acids by ... See full document
5
SYNTHESIS OF BENZOTHIAZOLE SCHIFF’S BASES AND SCREENING FOR THE ANTI OXIDANT ACTIVITY
... Al-Dujaili, Synthesis, characterization and comparative study the microbial activity of some heterocyclic compounds containing oxazole and benzothiazole moieties, Journal of Saudi Chemical Society, ... See full document
7
Synthesis, Characterization and Antimicrobial Evaluation of some Schiff Bases and their Thiazolidinone Products
... Schiff’s bases were prepared by mixing equimolar ...of substituted anilines with vanillin in dry ethanol and reaction mixtures were refluxed for 3 h on water ... See full document
6
Synthesis, Characterization and Antibacterial Activity of Cefalexin Dervatives Entesar O. AL-Tamimi| Raad M. Muslih| Khalida A.Thejeel
... of Schiff bases 2(a-j) and corresponding beta-lactam derivatives 3(a-j) were synthesized from cefalexin (1) as starting ...give Schiff bases derivatives 2(a-j). The synthesized Schiff ... See full document
9
Synthesis and Antimicrobial Activities of Some New Azetidin-2-ones and Thiazolidin-4-ones
... investigation, Schiff bases (2a-x), were obtained by refluxing β-[(N-benzenesulphonyl/ tosyl)-4-(un) substituted anilino]propionic acid hydrazides [14] (1a-f), with 4-substituted benzaldehydes ... See full document
5
Synthesis, Characterization and Antibacterial Activity of Some New Neocuproine Schiff Bases
... The increase in the mortality rate associated with infectious diseases is directly linked to the emergence and spread of drug resistant bacteria (6). Therefore, developing a novel and effective antibacterial agent ... See full document
5
Synthesis, Characterization and Antibacterial Evaluation With Computational Study of new Schiff Bases Derived from 7-Hydroxy-4-Methyl Coumarin
... the substituted molecule, while LUMO orbitals look like those obtained for the unsubstituted molecule and therefore, the substitution has contributed a control on the electron donation ability while influencing ... See full document
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SYNTHESIS, CHARACTERIZATION AND ANTIMICROBIAL STUDIES OF NOVEL LIGAND( DIETHYL 5 AMINO 4 METHYL THIOPHENE 3,5 DICARBOXYLATE 2,6 DIAMINOPYRIDINE) AND ITS METAL COMPLEXES
... The Schiff base ligands also serve as a cation carrier in potentiometric sensors as they have shown excellent selectivity, sensitivity and stability towards specific metal ions such as Cu(II), and Hg(II) [4] ... See full document
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SYNTHESIS, CHARACTERIZATION AND BIOLOGICAL STUDIES OF 3 SUBSTITUTED SCHIFF BASES OF QUINAZOLINE2,4 DIONES
... Out of the above stated causes, Bacterial infections are the most prominent reason for the health problems and they are caused by pathogenic Bacteria 8 . Resistance development is the most common drawback for any ... See full document
10
SYNTHESIS AND CHARACTERIZATION OF SOME NICKEL (II) COMPLEXES VIA BIOACTIVE SCHIFF BASES
... free Schiff bases at 1611 This band was shifted to higher wave numbers in the complexes, indicating the participation of the azomethine nitrogen in coordination (Ni—N) The OH stretching vibration, υ(OH), is ... See full document
5
Synthesis, Characterization and Antimicrobial Evaluation of Some Novel Bis Schiff Bases
... Schiff bases are the compounds which contain –C=N ...as Schiff bases to honour Hugo Schiff [1], who reported synthesis of this ...of Schiff bases such as ... See full document
6
Synthesis and spectroscopic characterization of some novel Schiff bases of benzylidene derivatives
... (4a-n) Schiff bases have been synthesised by treatment of Methyl 2-(substituted phenyl)acetohydrazide (3a-d) with few benzaldehyde ...Spectrocopic characterization viz: 1 H NMR, 13 C NMR, LCMS ... See full document
6
Green Synthesis of New Tetra Schiff Bases and Bis Azo Bis Schiff Bases Derived from 2,6 Diaminopyridine as Promising Photosensitizers
... Schiff bases, by containing the azomethine group (C=N) as the central structural form, have been the subject of prevalent research in the various fields of indus- try, pharmaceuticals and the ... See full document
10
SYNTHESIS, CHARACTERIZATION, CYTOTOXIC AND ANTIOXIDANT STUDIES OF MIXED LIGAND SCHIFF BASE COMPLEXES DERIVED FROM P NITROANILINE AND 2, 4 DINITROANILINE
... INTRODUCTION: Schiff bases are commonly used to synthesize new mixed ligand complexes. The unique properties like chelating structure, electron donor nature, simply tunable electronic and steric ... See full document
7
ANTIMICROBIAL ACTIVITY OF AZO SCHIFF BASES DERIVED FROM SALICYLALDEHYDE AND PARA SUBSTITUTED ANILINE
... of new antibacterial and antifungal agents with novel and more efficient mechanisms of action is definitely an urgent medical ...two azo Schiff bases derived from ... See full document
9
Novel Synthesis, Characterization of some New Substituted Coumarin and Schiff Base, Substituted benzo-coumarin and benzo-Schiff Base and Study of their Antibacterial Activities
... simple synthesis of various substituted coumarin & Schiff base was prepared by the condensation reactions of (R) phenyl malon anilic acid (1a, 2a) with different substituted ... See full document
6
An Efficient Synthesis, Characterization of some Novel 6 -(R) phenyl-azo-coumarin -3- carboxy(3-chloro- 4-methoxy) anilide and 2- hydroxy- 5(R)-phenyl - azo - benzylidine (3- chloro - 4 -methoxy)aniline and their Antibacterial Activity
... efficient synthesis of various substituted azo-coumarin & azo-Schiff base has been synthesized by the condensation of 3-chloro-4-methoxy phenyl malon anilic acid (1a) and ... See full document
6
Some Novel Schiff Bases from Pyruvic Acid with Amines Containing N & S Donor Atoms: Synthesis, Spectral Studies and X Ray Crystal Structures
... and S - n -octyldithiocarbazate [1] [2] [3] [4] as well as thi- ocarbohydrazide [5] [6] [7] and substituted thiosemicarbazide ...novel Schiff bases which could lead to many potential applica- ... See full document
15
Synthesis and Characterization of New Heterocyclic Compounds from 2, 5- dimercapto -1, 3, 4-Thiadiazole and Their Resins Shetha F.Al-Zubiady | Israa Abdul Satar Ismael | Ban Dh. Ismael
... [5]. Schiff bases are used in a wide range of applications, in biological field [6], industrial applications such as anticorrosion material for steel and alloys, photo stabilizers for poly ethylene, and the ... See full document
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Co(II) Complexes of New Tetra Dentate Schiff Base Ligands: Synthesis, Spectral Characterization and Catalytic Activity
... Schiff bases individually. In Cobalt(II) complexes all the ligands (except A1 & A2 ligands) were coordinate through four nitrogen atoms of C=N group, remaining ligands A1 & A2 coordinates to the ... See full document
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