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120 resultados encontrados.

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Synthesis and functionalization of new polyhalogenated BODIPY dyes. Study of their photophysical properties and singlet oxygen generation
Artículo
Acceso abierto Artículo CONICET Digital
Ortiz, Maria J. et al · Pergamon-Elsevier Science Ltd · 2012 · ISSN 1153-1162
A theoretical and experimental study on the iodination of BODIPY dyes with different degrees of substitution has been developed. Polyhalogenated BODIPYs synthesized in this work are the first examples of this type of dy...
Idioma eng
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Synthesis and ionic conductivity of glass ceramics with general composition (2-х)Na2О : хМІ2О : 3CoО : 2P2O5 (х = 0 or 0.05, МІ – Li, K)
Artículo
Acceso abierto Artículo DOAJ
N.Yu. Strutynska et al · Vasyl Stefanyk Carpathian National University · 2024 · ISSN 1729-4428
Glass ceramic samples with general composition: (2-х)Na2О : хМІ2О : 3CoО : 2P2O5 (х = 0 or  0.05, МІ – Li, K) were synthesized by melt method with subsequent annealing of homogeneous glass at a temperature o...
LCC TENDOlBoeXNpY3M~Idioma eng
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Synthesis and Study of New Complexes of a Mixture of Liquandate for Schiff Bases Derived from Isatin and Amino Acids and Bi-Amine Liquandate with Iron Ion (II)
Artículo
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Khalaf Khaloo et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT The work includes the synthesis and characterization of new complexes of mixed ligands of Schiff  bases derived from isatin with amino acids (glycine,a-alanine,L-valine,L-leucine,L-histidine and L-tryptophane) ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of New Compounds Bis-(N-Naphthal) Phthalisoimid, Bis-(N-Phenyl) Phthalisoimid and Studying Thermal Stabilty and Bio Activity
Artículo
Acceso abierto Artículo DOAJ
Marwan Mohammed F. All-Heety · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
ABSTRACT Synthesis Cyclic Compounds which are difficult to obtain in normal ways. Developing our in formation concerning the Synthesis of two new Bis-Phthalamic Compounds from reaction between diamines Aromatic Compounds...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of some new heterocyclic compounds derived from 2-Chloro-3-formyl quinoline
Artículo
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Ala Ayoob et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT In this paper the Synthesis of some substituted 2-Chloro-3-formyl quinoline (2a–d) by treating various substituted acetanilide or 1-(4-substituted phenyl) ethanone oxime with POCl3 in dimethyl formamide. It pr...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis and Characterization of Mn(II) ,Co(II) ,Ni(II) ,Cu(II) ,Zn(II) and Cd(II) Complexes with Di-Schiff Bases Derived from o- or m- Phenylenediamine and 9,10-Phenanthrenequinone
Artículo
Acceso abierto Artículo DOAJ
K. Al-Nama et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT Aseries of new complexes of the type [MLCl2] where M=Mn (II),Co(II),Ni(II),Cu(II),Zn(II),Cd(II) L=L1 or L2 represents di- Schiff base ligands: {L1=(N,N'E,N,N'E)-N,N'-(phenanthrene-9,10-diylidene) bis (benzene-1,...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis and characterization of Fe(II),Co(II),Ni(II),Cu(II) and Zn(II) complexes with Hexaaza macromolecule Ligands Derived from Semicarbazide
Artículo
Acceso abierto Artículo DOAJ
Saad Dawood et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT A new ligands( 3,4,6,14,15,17,23,24-Octaazatricyclo [17.3.1.18,12] tetracosa-1(23),8(24),9,11, 19 ,21- hexaene - 2,5,7,13,16,18 – hexaone), (L1) and 2-(5-hydroxypentanoyl) hydrazinecarboxamide,(L2)was prepared...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Some Phenolic and Amino derivatives of Cinchoninic Acid
Artículo
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M. A. Al-Iraqi et al · University of Mosul, College of Education for Pure Science · 2008 · ISSN 1812-125X
ABSTRACT Treatment of cinchoninic acids (1a,b) with allyl bromide afforded compounds (2a,b), and the hydrolysis of (2a) gave the 2-(4`-allyloxyphenyl) cinchoninic acid (4) . Glycedylation of compound (1a) afforded compou...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Benzo-Fused Heterocycles by Intramolecular alpha-Arylation of Ketone Enolate Anions
Artículo
Acceso abierto Artículo CONICET Digital
Guastavino, Javier Fernando et al · American Chemical Society · 2012 · ISSN 0022-3263
A two-step synthesis of six-, seven-, eight-, and nine-member benzo-fused heterocycles in good to excellent yields is reported. The synthetic strategy involves the generation of a new intramolecular alpha-aryl ketone bon...
Idioma eng
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Synthesis of benzothiazole analogs via stephen benzonitriles reductions
Artículo
Material complementario disponible Artículo DOAJ
Ankusab Noorahmadsab Nadaf et al · Springer · 2026 · ISSN 3005-1193
LCC TENDOkNoZW1pc3RyeQ~~Idioma eng
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Synthesis Of Some Substituted 1,2,5-Oxadiazino [2-3,b] Quinazoline And Some 1,3-Oxazole Derivatives
Artículo
Acceso abierto Artículo DOAJ
Yassir S. Mohamad · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT In this paper the synthesis of some 1,2,5- oxadiazino [2-3,b] quinazoline and some substituted 1,3- oxazole are reported, alanine and valine were reacted with benzoyle chloride in sodium hydroxide solution to gi...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis and Study of Many New Chalcone Derivatives
Artículo
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Natiq G. Ahmad et al · University of Mosul, College of Education for Pure Science · 2018 · ISSN 1812-125X
This study include the synthesis of the compound 1-(1H-benzo[d]imidazol-2-yl)ethanol [1], from the reaction of ortho pheneylene diamine with lactic acid and then oxidized using potassium dichromate to give1-(1H-benzo[d]i...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of 2-(3-chloro-4-nitro-1-benzothien-2-yl)-1,3,4-oxadiazole-1,3,4-thiadiazole and 5-(3-chloro-4-nitro-1-benzothien-2-yl)-4H-1,2,4-triazole-3-thiol
Artículo
Acceso abierto Artículo DOAJ
Khalid M. Daoud et al · University of Mosul, College of Education for Pure Science · 2010 · ISSN 1812-125X
ABSTRACT In this paper the synthesis of some substituted 1,3,4-oxadiazole, 1,3,4-thiadiazole and 1,2,4-triazole is reported. 3-chloro-4-nitro-2-chloro carbonyl benzo [b] thiophene(1) was synthesized from 2-nitrocinnamic ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Some 1, 3, 4- Oxadizole Derivatives from Naproxen and Acetyl Chloride
Artículo
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Alya A. Dawood · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
Abstract A seriers of 1, 3, 4-oxadiazol-2-thion were synthesized by the reaction of naproxen (or acetyl) amino acid hydrazides (glycine, valine, leucine, isoleucine and tyrosine) with carbon disulphide in alkaline medium...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Some 1,4-Bis (Substituted 1,3,4-Oxadiazoles and 1,2,4-Triazoles) Benzene From Terephthalic Acid
Artículo
Acceso abierto Artículo DOAJ
K. Daoud et al · University of Mosul, College of Education for Pure Science · 1999 · ISSN 1812-125X
ABSTRACT In this paper the synthesis of some 1,4-bis-(substituted1,3,4-oxadiazoles and 1,2,4-trizoles) benzene from terephthalic acid is reported. Terephthalic acid was esterified with absolute ethanol in presence of con...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Some Imine, From Pyrazole -1- Carbaldehyde Compound
Artículo
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Natiq Ahmad et al · University of Mosul, College of Education for Pure Science · 2021 · ISSN 1812-125X
In this paper the synthesis of  N[(1E)-1- ( 3,5.- disubstituted phenyl -4,5-dihydro-1H- pyrazol-1- yl) ethylidene or methylidene] substituted aniline [13-15] [17-19] and 1,1-{benzene- 1,4- or -1,3- diylbis [nitrilo (E) ...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Some Substituted Benz/Acetamidines
Artículo
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H.S. Aziz · University of Mosul, College of Education for Pure Science · 2006 · ISSN 1812-125X
In the present work the synthesis of subtituted acetamidines was achieved. Phthalic anhydride was treated with p-aminobenzoic acid or glycine to give the corresponding acid which then converted to acid chloride with thio...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis, structural, electrokinetic and energy state properties of ZrNi1-хVxSn solid solution
Artículo
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L. P. Romaka et al · Vasyl Stefanyk Carpathian National University · 2019 · ISSN 1729-4428
The samples of ZrNi1-хVxSn solid solution (x = 0–0.10) based on the ZrNiSn half-Heusler phase (MgAgAs structure type) were synthesized by direct arc-melting with homogenous annealing at 1073 K. The electrokinetic and ...
LCC TENDOlBoeXNpY3M~Idioma eng
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Synthesis and Characterization of New Complex Salts of some Transition Metals with Pyrrolium Salts
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Nabeel H.Buttrus et al · University of Mosul, College of Education for Pure Science · 2005 · ISSN 1812-125X
The preparation of series of complex chloride of the type R2[M"C14] or R2[M"'C16], when R = M" = Mn, Co, Ni, Cu , Zn, M'" = Fe, and Cr has been carried out. The conductivity, IR, Uv-visible spectra, magnetic susceptibi...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis and Characterization of Tetradentat Macrocyclic Ligands and its Complexes with Mn(II),Fe(II),Co(II),Ni(II) and Cu(II) Metal Ions
Artículo
Acceso abierto Artículo DOAJ
Saad K. Dawood et al · University of Mosul, College of Education for Pure Science · 2006 · ISSN 1812-125X
A new complexes of Mn(II),Fe(II),Co(II),Ni(II) and Cu(II) are synthesized with a new tetradentate ligand (1,3,7,9-tetraaza-4,6,10,12-tetraoxo-2,8-dithiacyclo-dodecane) LI, (5,11-dimethyl-!,3,7,9-tetra aza-4,6,10)12-tetra...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of New 3-Substituted Quinazolin-4(3H)-one Compounds Via Linking of Some Five-Membered Ring Heterocyclic Moieties With Quinazolin-4(3H)-one Nucleus
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Mohammed Al-iraqi et al · University of Mosul, College of Education for Pure Science · 2021 · ISSN 1812-125X
In this research new compounds containing quinazolin-4(3H)-one nucleus linked to heterocyclic moieties were synthesized using ethyl (4'-oxoquinazolin-3'-yl) acetate (2) as a synthon. This compound was synthesized via 4-q...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of Some New Amides Derived from Indomethacin
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Kawther Al-Naimi et al · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
ABSTRACT        Indomethacin (1) was alb wed to react with thionyl chloride in dry benzene to yield [1-(4-chlorobenzoyl)-5-methoxy-2-methyl-1H-indol-3-yl]acetyl chloride (2) which was readily converted into a [1-(4...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of some Heterocyclic Compounds from 1,4-Benzoxazine-3-one
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Omar A. Salih · University of Mosul, College of Education for Pure Science · 2013 · ISSN 1812-125X
Abstract The compound (1) was synthesized by reacting 2-amino phenol with ethyl bromo acetate.The treatment of ethyl bromo acetate with compound (1) gave (2), While compound (3) was produced by reacting hydrazine hydrate...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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Synthesis of some substituted pyrimidines via cycloaddition reaction of amidines and chalcones
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H. M. Al-Ajely et al · University of Mosul, College of Education for Pure Science · 2009 · ISSN 1812-125X
ABSTRACT Substituted amidines (1,2) where prepared from the condensation of benzyl, furfuryl alcohols and ethyl sulphate with thiourea. Chalcone compounds (3,5a and 5b) where also prepared from condensation of 4-nitroben...
LCC TENDOkVkdWNhdGlvbg~~; LCC:Science (General)Idioma eng
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