Works matching IS 0022152X AND DT 1996 AND VI 33 AND IP 3
Results: 76
<sup>17</sup>O NMR studies of electronic and steric interactions of substituted quinoxaline-2(1 H),3(4 H)-diones.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 643, doi. 10.1002/jhet.5570330320
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Synthesis and structure elucidation of new cytotoxic azathioxanthones.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 917, doi. 10.1002/jhet.5570330360
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Heteroannulation of naphthoquinones. Studies on the reaction of 2-bromo-2,3-dihydronaphthoquinone derivatives with 1,2-binucleophiles.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 709, doi. 10.1002/jhet.5570330331
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Alkylation and arylation at the C-3′ side chain position of cephalosporins via a pummerer intermediate.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 987, doi. 10.1002/jhet.5570330371
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Photocyclization of aryl- and heteroaryl-2-propenoic acid derivatives. Synthesis of polycyclic heterocycles.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 523, doi. 10.1002/jhet.5570330302
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Ring transformations of heterocyclic compounds. XIII.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 783, doi. 10.1002/jhet.5570330342
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Radical mediated synthesis of 6-arylphenanthridines via benzotriazole ring-opening.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 607, doi. 10.1002/jhet.5570330313
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A quantitative study of substituent effects on oxidative cyclization of some 2-methylsubstituted aldehydes. Thiosemicarbazones induced by ferric chloride.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 863, doi. 10.1002/jhet.5570330353
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Synthesis and reactions of 3-aroyl derivatives of 4-hydroxy-2-quinolones and 4-hydroxycoumarin.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 663, doi. 10.1002/jhet.5570330324
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Synthesis of flavone-3-sulfonylureas.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 943, doi. 10.1002/jhet.5570330364
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1,3-Dipolar cycloaddition reactions of isothiazol-3(2 H)-ones with nitrile oxides. An unexpected site selectivity of the carbonyl bond of 5-benzoyl-isothiazol-3(2 H)-one.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 731, doi. 10.1002/jhet.5570330335
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Formation and crystal structure of an exocyclic enol δ-lactone obtained from dimedone and trimethylsilylethynyl phenyliodonium triflate.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 997, doi. 10.1002/jhet.5570330375
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A classification of organic redox reactions and writing balanced equations for them, with special attention to heteroatoms and heterocyclic compounds.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 569, doi. 10.1002/jhet.5570330306
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Tetrazole compounds. 11.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 815, doi. 10.1002/jhet.5570330346
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New electrophilic reactions of 2,2′-bisindolyls with acid chlorides and carbodienophiles.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 623, doi. 10.1002/jhet.5570330317
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Aminonitropyridines and their N-oxides.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 895, doi. 10.1002/jhet.5570330357
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Synthesis of some highly functionalized thiophene-3-carboxylates and alcohols.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 687, doi. 10.1002/jhet.5570330328
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Synthesis and <sup>13</sup>C, <sup>15</sup>N NMR study of a new functionalized pyrido[2,3- b]indole derivative.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 973, doi. 10.1002/jhet.5570330368
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A new synthesis of 1,5-dihydropyridazino[3,4- b]quinoxalines and 2-(pyrazol-4-yl)quinoxalines.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 757, doi. 10.1002/jhet.5570330339
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Ring chain transformation of γ-keto-δ-crotonolactones: A convenient synthesis of 1,4-piperazinones, 1,4-thiazinones and 1,4-diazepinones.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 703, doi. 10.1002/jhet.5570330330
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Synthetic studies to the octahydrobenzo[ f]quinoline system.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 983, doi. 10.1002/jhet.5570330370
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The place of dibenzo[ b,f]thiepin derivatives in medicinal chemistry: Structures and activities.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 497, doi. 10.1002/jhet.5570330301
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The synthesis and determination of acidic ionization constants of certain 5-substituted 2-aminopyrrolo[2,3- d]pyrimidin-4-ones and methylated analogs.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 767, doi. 10.1002/jhet.5570330341
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Synthesis and electron impact mass spectra of 3-substituted 2-acylaminoindazoles.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 605, doi. 10.1002/jhet.5570330312
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Synthesis of new imidazo[4,5- d][1,3]diazepine derivatives from 5-amino-4-(cyanoformimidoyl)imidazoles.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 855, doi. 10.1002/jhet.5570330352
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Synthesis of substituted furo[3,2- e][1,2,4]triazolo[4,3- c]pyrimidines and furo[3,2- e]tetrazolo[1,5- c]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 659, doi. 10.1002/jhet.5570330323
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Efficient syntheses and crystal structures of new benzene-containing cryptands.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 933, doi. 10.1002/jhet.5570330363
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Synthesis and total <sup>1</sup>H-NMR assignment of [1]benzothieno-[2,3- c] [1,10]phenanthroline.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 727, doi. 10.1002/jhet.5570330334
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Mechanistic studies in the reaction of 4-phenyl-1,2,4-triazoline-3,5-dione with 2,5-dimethyl-2,4-hexadiene.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 993, doi. 10.1002/jhet.5570330374
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1,3-Dipolar cycloaddition reactions of 1-methyl- and 1,3-dimethylindol-2-yl nitrile oxides.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 563, doi. 10.1002/jhet.5570330305
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Synthesis of 2-(ω-aminoalkyl)imidazolin-4-ones by ring chain transformation of lactam derivatives with α-aminoamides.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 811, doi. 10.1002/jhet.5570330345
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Synthesis of <sup>2</sup>H-labeled alkoxyethyl phosphodiester (AZT) derivatives for solid-state <sup>2</sup>H-NMR studies.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 619, doi. 10.1002/jhet.5570330316
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Synthesis and anti-HIV-1 activity of 1,5-dialkyl-6-(arylselenenyl)uracils and -2-thiouracils.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 885, doi. 10.1002/jhet.5570330356
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Adducts of phenanthrene 9,10-imine and of benz[ a]anthracene 5,6-imine to some nitrogen heterocycles.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 681, doi. 10.1002/jhet.5570330327
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Synthesis and biological evaluation of some 4-(isoxazolinyl or 1,2,4-oxadiazolyl) coumarins.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 967, doi. 10.1002/jhet.5570330367
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The synthesis of 5-substituted 3-benzoylamino-6-(2-substituted amino-1-ethenyl)-2 H-pyran-2-ones and their transformations into 2 H-pyrano[3,2- c]pyridine derivatives.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 751, doi. 10.1002/jhet.5570330338
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Synthesis of some novel 2-phenylpyridazino[4,5- b][1,5]thiazepines.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 583, doi. 10.1002/jhet.5570330309
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Addition of trimethylsilyl azide and of 'mixed anhydrides' to the N-C(3) σ-bond in 3-substituted-1-azabicyclo[1.1.0]butanes.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 837, doi. 10.1002/jhet.5570330349
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Synthesis of heterocyclic sulfonylureas.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 763, doi. 10.1002/jhet.5570330340
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Synthesis and spectroscopic characterisation of 4,5-dihydro-[1,2,3]triazolo[5,1- f][1,2,4]triazines. A novel condensed heterocyclic ring system.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 599, doi. 10.1002/jhet.5570330311
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The synthesis of novel polycyclic heterocyclic ring systems. 2.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 847, doi. 10.1002/jhet.5570330351
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The synthesis of 5-acyl-4-aryl(alkyl)-2-aryl-1,2,3-triazole 1-oxides by lead tetraacetate oxidation of mono- and bisarylhydrazones of α-hydroxyimino-β-diketones.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 655, doi. 10.1002/jhet.5570330322
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Spectroscopic and computational investigation of the ground and low excited states of some symmetrical heterocyclic disulfides.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 927, doi. 10.1002/jhet.5570330362
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Synthesis and reactions of 9,10-diazatetracyclo-[6.3.0.0.<sup>4,11</sup>0.<sup>5,9</sup>]undecanes.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 719, doi. 10.1002/jhet.5570330333
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Fluorescence studies of some 1,2,3-triazolo[1,5- a]pyridine and imidazo[1,2- a]pyridine esters and their vinylogues.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 991, doi. 10.1002/jhet.5570330373
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Pharmacophoric requirements for cannabinoid side chains. Naphthoyl and naphthylmethyl substituted Δ<sup>8</sup>-tetrahydrocannabinol analogs.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 559, doi. 10.1002/jhet.5570330304
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Nitrogen bridgehead compounds. Part 86.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 799, doi. 10.1002/jhet.5570330344
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Retro-ene reactions. III. Alkylation of 4,5-dichloro-1-hydroxymethylpyridazin-6-ones: Synthesis of 4,5-dichloro-1-(ω-phthalimido and saccharin-2′-ylalkyl)pyridazin-6-ones.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 615, doi. 10.1002/jhet.5570330315
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Synthesis of C-nor-heterocyclic steroid analogues.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 879, doi. 10.1002/jhet.5570330355
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NMR spectroscopic investigations with isatin guanylhydrazones.
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- Journal of Heterocyclic Chemistry, 1996, v. 33, n. 3, p. 675, doi. 10.1002/jhet.5570330326
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