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Synthesis, Spectroscopic and Biological Investigation of Cyclic Octapeptide: Cherimolacyclopeptide G
Cyclic octapeptide cherimolacyclopeptide G antibacterial activity antifungal activity anthelmintic activity cytotoxicity
2010/4/16
A natural cyclic octapeptide cherimolacyclopeptide G (8) was synthesized by coupling of tetrapeptide units Boc-Gly-Ala-Val-Pro-OMe (5) and Boc-Ile-Tyr-Ala-Pro-OMe (6) after proper deprotection at carb...
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...
Synthesis and Crystal Structure of N,N',N’’-tris(2,6-diisopropylphenyl)-2,5-diiminopyrrolidine
synthesis crystal structure N,N',N’’-tris(2,6-diisopropylphenyl)-2,5-diiminopyrrolidine succi-nic acid 2,6-diisopropylaniline
2012/10/10
N,N',N’’-tris(2,6-diisopropylphenyl)-2,5-diiminopyrrolidine ( 1 ) is produced in high yield from the reaction of succinic acid and 2,6-diisopropylaniline in the presence of polyphosphoric acid trimeth...
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...
Synthesis and Crystal Structure of Pilloin
Pilloin crystal structure hydrogen bonding p...p stacking motif
2010/4/16
Pilloin was synthesized by methylation of luteolin and its structure was characterized by element analysis, 1H-NMR, IR, and single-crystal X-ray diffraction analysis. It crystallizes in the monoclinic...
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 ...
Synthesis and Characterization of a Novel Metal Phosphonate, Zirconium (IV)-Hydroxy Ethylidene Diphosphonate, and Its Application as an Ion Exchanger
Inorganic ion exchanger metal phosphonate tetravalent metal acid salt zirconium-hydroxy ethylidene diphosphonate Zr(IV) phosphonate
2010/4/16
A novel hybrid ion exchange material, Zirconium-hydroxy ethylidene diphosphonate [ZrHEDP], of the class of tetravalent metal acid (TMA) salts has been synthesized by the sol-gel technique. The materia...
Investigation of Solid State Synthesis and Characterizations of Novel Sodium Rare-Earth Oxyphosphates
Oxyphosphates Rare-earths Sodium Rare Earth Oxyphosphate Raman powder XRD SEM
2010/4/16
A new orthorhombic phase of Na2LaOPO4 (sodium lanthanum oxyphosphate), and novel Na2NdOPO4 (sodium neodymium oxyphosphate), Na2SmOPO4 (sodium samarium oxyphosphate) were synthesized by solid state rea...
One Step Synthesis of Some 2,5,6-Trisubstituted-1,3-Dioxin-4-ones
Cyclic oxalyl compounds a -oxoketene 1,3-dioxin-4-one
2010/4/16
A number of novel 2,5,6-trisubstituted-1,3-dioxin-4-one derivatives were synthesized via one step reactions between dibenzoylmethane or benzoylacetone and oxalyl chloride in refluxing solvents contain...
Synthesis of New Azo Dyes and Copper(II) Complexes Derived from Barbituric Acid and 4-Aminobenzoylhydrazone
Azo-dyes copper(II) complexes barbituric acid hydrazone mixed-ligand
2010/4/16
Four new azo dyes, L1, L2, L3, and L4, were prepared by linking benzaldehyde p-aminobenzoylhydrazone (3) and p-hydroxybenzaldehyede p--aminobenzoylhydrazone (4) to barbituric acid and 1,3-dimethylbarb...
Synthesis and Characterizations of Some New 4H-1,2,4-Triazole Derivatives
4H-1,2,4-triazole 1,3,4-thiadiazole 1,3-benzoxazole salicyl aldehyde acetylation acrylonitrile acrylic acid
2010/4/16
3-[(5-Amino-1,3,4-thiadiazol-2-yl)methyl]-4-ethoxycarbonylamino-5-alkyl-4H-1,2,4-triazoles (2a,b) were obtained from the reaction of 3-cyanomethyl-5-alkyl-4-ethoxycarbonylamino-4H-1,2,4-triazoles (1a...
Synthesis of the Amide Derivatives of 3-[1-(3-Pyridazinyl)-5-phenyl-1H-pyrazole-3-yl]propanoic Acids as Potential Analgesic Compounds
Pyridazine pyrazole analgesic writhing
2010/4/8
A series of structurally diverse amide derivatives of 3-[1-(3-pyridazinyl)-5-phenyl-1H-pyrazole-3-yl]propanoic acids were prepared and tested for their in vivo analgesic activity using an acetic acid...