Works matching IS 0022152X AND DT 2009 AND VI 46 AND IP 4
Results: 38
Synthesis, characterization, and anti-inflammatory evaluation of 1,2,4-oxadiazoles combined with thiosemicarbazide and 1,3,4-oxadiazole moieties.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 722, doi. 10.1002/jhet.133
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Synthesis of [1,2,4]triazolo[3,4- b][1,3]thiazine-5-carboxylates via one-pot reaction of N-substituted-hydrazino-carbothioamides with diethyl maleate.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 687, doi. 10.1002/jhet.173
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Synthesis and characteristic of 5,6-dinitro and 5,6-diaminobenzimidazolone-2.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 788, doi. 10.1002/jhet.104
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- Article
Friedel-Crafts heteroarylation of (hetero)arenes: A facile entry to 4-(hetero)aryl quinazolines and quinolines.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 748, doi. 10.1002/jhet.144
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Dicyanomethylene compounds and heterocyclization of substituted carbohydrazides.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 616, doi. 10.1002/jhet.115
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A convenient approach to the canthin-4-one ring system: Total synthesis of the alkaloids tuboflavine and norisotuboflavine.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 770, doi. 10.1002/jhet.126
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Substituent-dependence of photophysical properties of trans-2-styrylpyridazin-3(2 H)-ones.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 691, doi. 10.1002/jhet.137
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Synthesis of novel pyrazole-linked norcantharidin derivatives of substituted aromatic amines with efficient 1,3-dipolar cycloaddition.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 640, doi. 10.1002/jhet.119
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Molecular interaction between free base meso-tetraarylporphyrins and o-chloranil.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 610, doi. 10.1002/jhet.91
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Preparation of 5-nitro-2-amino[ b]thiophenes and 1-(2-amino-5-nitrophenyl)ethanones via microwave irradiation.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 599, doi. 10.1002/jhet.88
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Efficient synthesis of 5-(2-hydroxyethyl)-2-phenylimino- 1,3-thiazolidin-4-ones and 5-(2-hydroxyethyl)-2-phenylamino-4,5-dihydro-1,3-thiazol-4-ones.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 635, doi. 10.1002/jhet.118
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- Article
One-pot synthesis of quinazoline-2,4(1 H,3 H)-diones and 2-thioxoquinazolinones with the aid of low-valent titanium reagent.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 645, doi. 10.1002/jhet.121
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Microwave-assisted multicomponent reaction for the synthesis of new and significative bisfunctional compounds containing two furo[3,4- b]quinoline and acridinedione skeletons.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 742, doi. 10.1002/jhet.143
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Hafnium (IV) bis(perfluorooctanesulfonyl)amide-catalyzed one-pot synthesis of substituted quinolines in fluorous media.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 796, doi. 10.1002/jhet.125
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Formation of an unusual product in the reaction of a 1,2,5-thiadiazolidine 1,1-dioxide-derived thioether with sulfuryl chloride.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 669, doi. 10.1002/jhet.136
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Poly(ethyleneglycol): A versatile and recyclable reaction medium in gaining access to benzo[4,5]imidazo[1,2- a]pyrimidines under microwave heating.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 664, doi. 10.1002/jhet.132
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Synthesis of novel amide-crownophanes and Schiff base-crownophanes based on p-phenylene, 2,6-naphthalene, and 9,10-anthracene.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 656, doi. 10.1002/jhet.129
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- Article
Unusual retention of isoxazole ring under the influence of 3-(substituted nitrophenyl)-2-isoxazoline during catalytic hydrogenation of isoxazoline-substituted isoxazole systems.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 762, doi. 10.1002/jhet.87
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Synthesis of 2,4,5-triaryl-5 H-chromeno[4,3- b]pyridines under microwave radiation.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 702, doi. 10.1002/jhet.98
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A new method for the synthesis and herbicidal activity of 3-phenoxy-6-( 1H-(substituted)pyrazol-1-yl) pyridazines.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 584, doi. 10.1002/jhet.120
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Facile and selective solvent-free synthesis of 2-isoxazolines under microwave irradiation.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 778, doi. 10.1002/jhet.102
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- Article
Utilization of 2-benzo[ b]furan carboxylic acid hydrazide in the synthesis of 1,3,4-oxadiazole derivatives.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 737, doi. 10.1002/jhet.142
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Synthesis and biological activity of 4-methylene-pyrido[4,3-d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 579, doi. 10.1002/jhet.124
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TMSCl-mediated one-pot, three-component synthesis of 2 H-indazolo[2,1- b]phthalazine-triones.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 728, doi. 10.1002/jhet.135
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Ring transformation of spirocyclopropanepyrazoles into pyrano[2,3- c]pyrazoles.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 782, doi. 10.1002/jhet.117
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- Article
New one-step synthesis of pyrazolo[1,5- a]pyrimidine and pyrazolo[1,5- a]quinazoline derivatives via multicomponent reactions.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 708, doi. 10.1002/jhet.128
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Synthesis and biological screening of some fluorinated dibenzofuran containing 3-chlorochromones and benzothiazepines.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 732, doi. 10.1002/jhet.139
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(±)-1,2-Dialkyl-5-nitro-2,3-dihydro-1 H-indoles by a tandem reductive amination-S<sub>N</sub>Ar reaction.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 629, doi. 10.1002/jhet.82
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Self termination of ring opening reaction of p-substituted phenol-based benzoxazines: An obstructive effect via intramolecular hydrogen bond.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 714, doi. 10.1002/jhet.130
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Convenient synthesis of some new pyrazolo[1,5- a]pyrimidine, pyridine, thieno[2,3- b]pyridine, and isoxazolo[3,4- d]pyridazine derivatives containing benzofuran moiety.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 680, doi. 10.1002/jhet.141
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Ionic liquid catalyzed expeditious synthesis of 2-aryl-2,3-dihydroquinolin-4(1 H)-ones and 2-aryl-2,3-dihydro-4 H-chromen-4-ones under microwave irradiation.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 791, doi. 10.1002/jhet.123
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- Article
An efficient two-step synthesis of novel thiazolo[2,3- b]pyrazolo[3,4- f][1,3,5]triazepines.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 756, doi. 10.1002/jhet.145
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Influence of differently ionized species on fragmentation pathways and energetics of a potential adenosine receptor antagonist using a triple quadrupole and a multistage LTQ-Orbitrap™ FTMS instrument.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 591, doi. 10.1002/jhet.196
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Synthesis and characterization of some 3-acyl-4-amino-1-aryl-1 H-pyrazoles.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 650, doi. 10.1002/jhet.127
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Synthesis and characterization of new phthalhydrazothiazole derivatives: A preliminary investigation on their activity against hepatocellular carcinoma.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 674, doi. 10.1002/jhet.138
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- Article
1-Alkyl-2,3-dihydro-4(1 H)-quinolinones by a tandem Michael-S<sub>N</sub>Ar annulation reaction.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 623, doi. 10.1002/jhet.70
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Junjappa-Ila annulation: α-Oxoketene dithioacetal mediated synthesis of substituted benzotriazoles.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 774, doi. 10.1002/jhet.85
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Regiospecific synthesis of 3 H-pyrido[2,3- b][1,4]diazepin-4(5 H)-ones via haloform reaction with the isolation of N<sup>3</sup>-[3-oxo-4,4,4-trichloroalk-1-en-1-yl]-2,3-diaminopyridine intermediates.
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- Journal of Heterocyclic Chemistry, 2009, v. 46, n. 4, p. 603, doi. 10.1002/jhet.89
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- Article