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Biologically Active Transition Metal Chelates with a 2-Thiophenecarboxaldehyde-Derived Schiff Base: Synthesis, Characterization, and Antibacterial Properties
Schiff base transition metal complex biological activity
2010/4/16
Metal complexes, ML2Cl2, where M is Fe(II), Co(II), Ni(II), Cu(II), Zn(II), or Cd(II), and L is the Schiff base formed by condensation of 2-thiophenecarboxaldehyde with 2-aminopyridine, N-(2-thienylme...
Synthesis and Antimicrobial Evaluation of Novel Di-triazoles and 4-Arylidene Amino 4,5 Dihydro-1H-[1,2,4] triazole-5-one Derivatives
Triazole-5-one, Schiff base, antimicrobial activity, X-ray
2010/4/16
A series of novel di-[3(thiophen-2-yl-methyl)-4,5-dihydro-1H- [1,2,4]triazole-5-one-4yl]n-alkanes (2a-h) were obtained by the reaction of N'-1-ethoxy-2-thiophen-2-yl-ethylydene hydrazino carboxylic ac...
Synthesis and Swelling Behavior of Starch-Poly (Sodium Acrylate-co-Acrylamide) Superabsorbent Hydrogel
Starch, polyacrylonitrile hydrogel superabsorbent swelling behavior
2010/4/16
Superabsorbent polymers based on starch (St) and polyacrylonitrile (PAN) were prepared by alkaline hydrolysis of the physical mixture of St and PAN in aqueous solution. The nitrile groups of PAN were ...
Synthesis of Some New 4-oxo-4H-Chromene Derivatives Bearing Nitrogen Heterocyclic Systems as Antifungal Agents
Chromone nitrogen heterocycles antifungal activity
2010/4/16
Some new 4-oxo-4H-chromone derivatives bearing nitrogen heterocyclic systems were achieved by treatment of 3-[(4-aminophenylimino) methyl]-6-chloro-4-oxo-4H-chromene (2) with some aldehydes, cyclic ox...
Synthesis and Characterization of Novel Polyamide and Polyhydrazides Based on the 6,6´-disubstituted-2,2´-bipyridine
Bipyridine polyamide hydrazide polymer terephtaloylchloride
2010/4/16
The monomers namely 6,6'-dicarbonylchloride-2,2'-bipyridine (1) and 6,6'-dihydrazine-2,2'-bipyridine (2) were synthesized and characterized thoroughly. The polyhydrazides (PHZ1 and PHZ2) were obtained...
Synthesis and Characterization of 4-(Alkylaminoisonitrosoacetyl)diphenyl ether and Some of Their Metal Complexes
Ketoxime transition metal complexes binuclear complexes
2010/4/16
4-(Chloroacetyl)diphenyl ether (I) was synthesized from chloroacetyl chloride and diphenyl ether in the presence of AlCl3 as catalyst in a Friedel-Crafts reaction. Subsequently, its keto oxime (II) d...
Cyanoacetamide Derivatives as Synthons in Heterocyclic Synthesis
Cyanoacetanilide thiophene pyrazole thiazole pyridine pyridazine pyrimidine heterocycles
2010/4/16
This review presents a systematic and comprehensive survey of the methods of preparation and the chemical reactivity of cyanoacetamide derivatives. These compounds are important intermediates for the ...
Synthesis and X-Ray Structural Studies of Amino Acids Half Sandwich Complexes of Osmium(II)
Osmium X-Ray studies N ligands Amino acids Half sandwich Complexes
2010/4/16
The amino acids complexes of osmium(II), i.e. [Os(h 6-p-cymene)(h1-N-(rac)-phenylglycine methyl ester)Cl2] (A) and [Os(h 6-p-cymene) (h1-N,N'-(S)-phenylalanine amido) Cl] (B), were prepared by an ultr...
Synthesis and Characterization of Novel Azole Heterocycles Based on 2,5-Disubstituted Thiadiazole
1,3,4-thidiazoles fused heterocyclic ring Schiff bases
2010/4/16
Starting from 2-amino-5-mercapto-1,3,4-thiadiazole (1), a variety of new 1,2,4-triazino[5,4-b][1,3,4] thiadiazole (3), pyrazole (4), [1,2,4]triazolo[3,4-b] [1,3,4]thiadiazole (5), phthalazine-3,6-dion...
Synthesis and Properties of New Polyamides Based on 4-Phenylenediacrylic Acid and Hydantoin Derivatives in the Main Chain
Polyamides 4-phenylenediacrylic acid hydantoin derivatives
2010/4/16
Six new polyamides (5a-f) containing p-phenylenediacrylic and hydantoin moieties in the main chain were prepared by direct polycondensation reaction of 4-phenylenediacrylic acid (3) with 6 different h...
The Synthesis and Anticonvulsant Activity of 1-Substituted-7-Methoxy-1,2,4-Triazolo [4,~3-a]Quinoline
1,2,4-triazolo[4,3-a] quinoline Anticonvulsant MES sc-PTZ Isoniazid
2010/4/16
A new series of 1-substituted-7-methoxy-5-phenyl-1,2,4-triazolo [4,3-a]quinolines were synthesized using ethyl-3-oxo-3-phenylpropanoate and 4-methoxybenzenamine as the starting material. Their anticon...
Synthesis and Antimicrobial Activities of 1,2,4-Oxadiazin-5-one, 6-one and 5-Thiones
Amidoxime oxadiazine antimicrobial activity
2010/4/16
N-Substituted pyridine carboxamide oximes (2) were obtained from the reactions of pyridine hydroxamic acid chloride hydrochlorides (1) with primary amines. The reactions of carboxamide oximes with chl...
New Polyamides Derived from 2,5-Bis[(4-carboxyanilino) carbonyl] Pyridine and Hydantoin Derivatives: Synthesis and Characterization
Polyamides, pyridyl moiety hydantoin derivatives direct polycondensation
2010/4/16
We synthesized 2,5-bis[(4-carboxyanilino) carbonyl] pyridine (4) as a new monomer containing pyridyl moiety by using a 2-step reaction. At first 2,5-pyridine dicarboxylic acid (1) was converted to 2,5...
Synthesis of New Bengazole Analogues and Their Antimicrobial Activity
Bengazole lithiation antimicrobial activity cytotoxicity
2010/4/16
Bengazole A and bengazole B are 2 representatives out of a large family of marine metabolites isolated from a Jaspis sponge and display potent anti-fungal and anthelmintic activity as well as modest c...
New Polyamides Based on Bis(p-amidobenzoic acid)-p-phenylene diacrylic acid and Hydantoin Derivatives: Synthesis and Characterization
Polyamides p-phenylenediacryloyl moieties bis(p-amidobenzoic acid)-p-phenylene diacrylic acid hydantoin derivatives
2010/4/16
Bis(p-amidobenzoic acid)-p-phenylene diacrylic acid (6) as a new monomer containing p-phenylenediacryloyl moiety was synthesized by using a 3-step reaction. At first p-phenylenediacrylic acid (3) was ...