Works matching IS 0022152X AND DT 1997 AND VI 34 AND IP 5
Results: 44
Enzymatic resolution of flavanone oximes.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1535, doi. 10.1002/jhet.5570340524
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The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 19.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1597, doi. 10.1002/jhet.5570340535
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Biomimetic synthesis of 4-acetylbenzoxazolin-2(3 H)-one isolated from Zea mays.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1407, doi. 10.1002/jhet.5570340506
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Voltammetric behaviour of heterocyclic systems. Pyridyl-substituted benzimidazoles, benzoxazoles and benzothiazoles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1479, doi. 10.1002/jhet.5570340517
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Synthesis of 2,3-dihydropyrido- and 2,3-dihydropyrimido-[1,4]diazepines from triaminopyridine and triaminopyrimidine.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1555, doi. 10.1002/jhet.5570340528
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Studies on isoxazole and pyrazole formation by the reaction of trifluoromethyl-substituted anilines with oxime and hydrazone dianions.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1625, doi. 10.1002/jhet.5570340539
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Thiophene 1-oxides. V.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1567, doi. 10.1002/jhet.5570340530
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Investigation of azoxides and olefins [3 + 2] cycloaddition to 1,2,3-oxadiazolidines by a combination of density functional theory and semiempirical methods.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1383, doi. 10.1002/jhet.5570340501
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Synthesis of potential metabolites of the brain imaging agents methyl (1 R,2 S,3 S,5 S)-3-(4-Iodophenyl)-8-alkyl-8-azabicyclo[3.2.1]octane-2-carboxylate.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1633, doi. 10.1002/jhet.5570340541
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A study of the behaviour of 2,4-substituted thiosemicarbazides toward orthoesters: Formation of mesoionic compounds.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1447, doi. 10.1002/jhet.5570340512
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Synthesis of new indoyl-1,3,4-oxadiazole and oxadiazine derivatives. Potential monoamine oxidase inhibitor activity.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1527, doi. 10.1002/jhet.5570340523
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Chemistry of functionalized benzazepines. 5.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1591, doi. 10.1002/jhet.5570340534
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Synthesis of C-5 benzoyl and azido functionalized 2,2′-dithiobis-and 2,2′-diselenobis(1 H-indoles).
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1399, doi. 10.1002/jhet.5570340505
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Asymmetric synthesis of ( R)-6-amino-1-methyl-4-(3-methyl-benzyl)hexahydro-1 H-1,4-diazepine from L-asparagine.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1469, doi. 10.1002/jhet.5570340516
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The preparation of N-(1 H-pyrazol-3-yl)arylamides and 1 H-pyrazol-3-amines from polylithiated C(α), N-thiosemicarbazones and C(α), N-semicarbazones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1549, doi. 10.1002/jhet.5570340527
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Iminium carbonic acid derivative salts. VIII.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1621, doi. 10.1002/jhet.5570340538
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Improved synthesis of 2-substituted 4-chlorothiazole-5-carbaldehydes.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1427, doi. 10.1002/jhet.5570340509
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Reactions of methyl ( E,Z)-2-(2-benzoyl-2-ethoxycarbonyl-1-ethenyl)-amino-3-dimethylaminopropenoate with heteroarylhydrazines. 2-(2-Benzoyl-2-ethoxycarbonyl-1-ethenyl)amino-3-heteroarylhydra-zonopropanoates and 1-heteroaryl-4-ethoxycarbonyl-3-phenylpyrazoles
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1629, doi. 10.1002/jhet.5570340540
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A convenient synthesis of 8-substituted indolizines as precursors to 5-substituted cycl{3.2.2}azine derivatives.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1441, doi. 10.1002/jhet.5570340511
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On triazoles. XXXIX.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1519, doi. 10.1002/jhet.5570340522
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Benzofuran systems. Synthesis and biological examination of 1-(3-benzofuranyl)-2-phenylethanones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1587, doi. 10.1002/jhet.5570340533
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3,3,3-Trifluoro-2,2-dihydroxypropanesulfonamides as building blocks for trifluoromethyl-containing pyrazoles and benzimidazoles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1395, doi. 10.1002/jhet.5570340504
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Researches on pyridodiazepines. Behavior of 7,8,9,10-tetrahydro-5-methylcyclopenta[e]pyrido[3,2- b][1,4]-diazepin-6(5 H)-one with chloroacetyl chloride.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1643, doi. 10.1002/jhet.5570340544
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A ring opening reaction of benzisothiazolones. A new route to unsymmetrical disulfides.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1463, doi. 10.1002/jhet.5570340515
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Syntheses of substituted 2-(l-methyl-2-imidazolyl)quinolines.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1543, doi. 10.1002/jhet.5570340526
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Synthesis, <sup>1</sup>H- and <sup>13</sup>C-NMR spectra, crystal structure and ring openings of 1-methyl-6,9-epoxy-9-aryl-5,6,9,10-tetrahydro-1 H-imidazo [3,2- e] [2 H-1,5] oxazocinium methanesulfonate.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1607, doi. 10.1002/jhet.5570340537
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Pyridazines. 84.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1421, doi. 10.1002/jhet.5570340508
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Intramolecular amidoalkylation cyclizations in synthesis of novel pyrrolo(or isoindolo)thieno[2]benzazepines.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1495, doi. 10.1002/jhet.5570340519
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Synthesis of substituted 3-amino-4-cyano-1-oxo-1,2,5,10-tetrahydroazepino [3,4- b]indoles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1431, doi. 10.1002/jhet.5570340510
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Alkyl ( E,Z)-2-(2-benzoyl-2-ethoxycarbonyl-1-ethenyl)amino-3-dimethylaminopropenoates in the synthesis of fused pyrimidinones. A facile route to 3-aminoazino-4 H-pyrimidin-4-ones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1511, doi. 10.1002/jhet.5570340521
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Fused pyrimidines. 7. Nucleosides of pyrimidopyrimidinediones and pteridinediones as potential chemotherapeutic agents.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1581, doi. 10.1002/jhet.5570340532
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Microwave synthesis and anticonvulsant activity of new 3-benzyl-1,2,3-benzotriazin-4(3 H)-ones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1391, doi. 10.1002/jhet.5570340503
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Pyrimidine synthesis - A new method.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1639, doi. 10.1002/jhet.5570340543
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An expeditious procedure for the synthesis of purines from aminoimidazolecarbaldehydes.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1459, doi. 10.1002/jhet.5570340514
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A selective synthesis of 2-arylamino-4 H-1,3,4-thiadiazino[5,6- b]-quinoxalines and mesoionic triazolo[4,3- a]quinoxaline.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1539, doi. 10.1002/jhet.5570340525
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Synthesis of 3,5-disubstituted 1-amino-1,3,5-triazine-2,4,6-triones (or 1-aminocyanurates) by cyclic transformation of 1,3,4-oxadiazol-2(3 H)-one derivatives.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1603, doi. 10.1002/jhet.5570340536
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Synthesis and characterization of some heterocyclic derivatives by cyclization of carbohydrate thiosemicarbazones. Part I.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1415, doi. 10.1002/jhet.5570340507
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Tandem rearrangement involving a β-hydroxysulfoxide and cyclization processes toward the 1-benzenesulfonyl-5-benzenethio-1,2,2a,3,4,5-hexahydrobenz[ c,d]indole oxygenated at the 4-position.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1487, doi. 10.1002/jhet.5570340518
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Synthesis of optically active β-lactams by the reaction of 2-acyl-3-phenyl- l-menthopyrazoles with CN compounds.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1559, doi. 10.1002/jhet.5570340529
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Unusual nitration of substituted 7-amino-1,8-naphthyridine in the synthesis of compounds with antiplatelet activity.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1501, doi. 10.1002/jhet.5570340520
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On triazoles XXXVIII.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1575, doi. 10.1002/jhet.5570340531
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Average deviation from ideal bond order as a measure for aromaticity. AMI commuted aromatic properties of five-membered C<sub>4</sub>H<sub>4</sub>X ring systems.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1387, doi. 10.1002/jhet.5570340502
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N,N,5-trimethyl-1 H-benzothiopyrano[4,3,2- cd]-indazole-1-ethanamine - A novel heterocycle.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1637, doi. 10.1002/jhet.5570340542
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Reactivity of p-phenyl substituted β-enamino compounds using K-10/ultrasound. I. Synthesis of pyrazoles and pyrazolinones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 5, p. 1453, doi. 10.1002/jhet.5570340513
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