Works matching IS 0022152X AND DT 1982 AND VI 19 AND IP 6
Results: 74
The regiospecific synthesis of N-substituted pyrazoles. I. 1- and 2-substituted indeno[1,2-c]pyrazol-4(1 H)-ones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1335, doi. 10.1002/jhet.5570190616
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Degradation products of 3-phenylmethylpyrido[3,4- e]-1,2,4-triazine.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1533, doi. 10.1002/jhet.5570190656
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Reactions of 3-substituted pyrazolin-5-ones with isocyanates.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1389, doi. 10.1002/jhet.5570190627
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Phase transfer catalysis in N-alkylations of the pharmaceutical intermediates 5 H-dibenz[ b,f]azepine and 5 H-10,11-dihydrodibenz[ b,f]azepine.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1569, doi. 10.1002/jhet.5570190667
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Chemistry of the phenoxathiins and isosterically related heterocycles. XXIV.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1447, doi. 10.1002/jhet.5570190638
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Selenium heterocycles. XXXV.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1305, doi. 10.1002/jhet.5570190609
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Alkylation and an unusual reductive ring opening of some thieno[3,4- b][1,5]benzoxazepin-10-ones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1501, doi. 10.1002/jhet.5570190649
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Activated nitriles in heterocyclic synthesis. A novel synthesis of 1,2,4-tnazol-3-oyl nitriles.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1457, doi. 10.1002/jhet.5570190640
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New tetracyclic ring systems. Synthesis of 1 H-oxazolo[5,4,3- kl]phenothiazines and [1,4]oxazino[2,3,4- kl]phenothiazines.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1313, doi. 10.1002/jhet.5570190611
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2,2′-Diindolylmethane. VI (1). NMR-spektroskopische untersuchungen an chiralen und achiralen 2,2′-diindolylmethanen mit tryptophanester-strukturelement.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1371, doi. 10.1002/jhet.5570190622
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A facile preparation of 4-(1-Acetyl-4(1 H)-pyridylidene)-2-oxazohn-5-ones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1551, doi. 10.1002/jhet.5570190662
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A new synthesis of 3(2 H)-furanones from acetylenic β-diketones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1421, doi. 10.1002/jhet.5570190633
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Acid catalyzed chlorination of pyrrole with N-chloroacetanilide.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1585, doi. 10.1002/jhet.5570190673
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Homolytic alkylation of chromones in micellar solution.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1281, doi. 10.1002/jhet.5570190604
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Structure and bonding in 9-hydroxy-1,4-dimethylthioxanthenium bis(carbomethoxy)methylide and related ylides.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1473, doi. 10.1002/jhet.5570190644
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Preparation and reactions of 3,4-dihydro-2 H-pyran-2-ones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1329, doi. 10.1002/jhet.5570190615
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Transposition of the halogen atom from nitrogen to methyl groups in hydantoins.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1531, doi. 10.1002/jhet.5570190655
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Studies on the synthesis of heterocyclic compounds. Part IX. Action of N,N-dimethylformamide dimethylacetal on some oximino-β-dicarbonyl compounds.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1385, doi. 10.1002/jhet.5570190626
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Synthesis and xanthine oxidase inhibitory activity of 4,6-disubstituted 1- p-chlorophenylpyrazolo[3,4- d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1565, doi. 10.1002/jhet.5570190666
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Chemistry of the phenoxathiins and isosterically related heterocycles. XXIII.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1441, doi. 10.1002/jhet.5570190637
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Stereochemistry of thialdine.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1301, doi. 10.1002/jhet.5570190608
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Pyrrolo[1,4]benzodiazepines. III. synthesis of 5,11-dioxo-1,10,11,11a-tetrahydro-2-vinyl-5 H-pyrrolo[2,1- c][1,4]benzodiazepine.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1497, doi. 10.1002/jhet.5570190648
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The cyclization of N,N′-bis[2-(dialkoxy)ethyl]- p-xylene-α,α′-diamine dihydrochloride to pyrido[3,4- g]isoquinoline and 3,8-phenanthroline.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1351, doi. 10.1002/jhet.5570190619
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Opposite CD curves in chromophoric derivatives of 3-substituted 5-and 6-membered cyclic amines.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1541, doi. 10.1002/jhet.5570190659
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A new synthesis of pyrimido[5,4- e]- as-triazine 4-oxides and their ring transformation to pyrrolo[3,2- d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1309, doi. 10.1002/jhet.5570190610
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Synthesis of potential antineoplastic agents. XXVII. (Reissert compound studies. XLIV.). The ellipticine reissert compound as an intermediate in the syntheses of ellipticine analogs.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1275, doi. 10.1002/jhet.5570190603
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Synthesis and biological activity of (3,5-disubstituted-1 H-1,2,4-triazol-1-yl)benzophenone derivatives.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1363, doi. 10.1002/jhet.5570190621
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Solvolysis of di-2-pyridylketone methiodide.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1549, doi. 10.1002/jhet.5570190661
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Chemistry of 1,6-diazaphenalene. Reaction with alkylating and acylating agents.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1415, doi. 10.1002/jhet.5570190632
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1,2,4-Triazines. 5. Regioselective N2-amination of 3-methylthio-1,2,4-triazin-5(2 H)-ones. A new efficient synthesis of [1,2,4]triazolo[2,3- b][1,2,4]triazin-7(1 H)-one.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1583, doi. 10.1002/jhet.5570190672
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Mass spectra of some ( Z)-α-Phenyl-β-(2-thienyl)acrylonitriles.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1505, doi. 10.1002/jhet.5570190650
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Synthesis of 1-benzylideneisoquinoline-3,4-diones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1469, doi. 10.1002/jhet.5570190643
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The reaction of 3-(1-imidazolyl)-2-alken-1-ones with nucleophiles.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1325, doi. 10.1002/jhet.5570190614
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A New Synthesis of 4-(Alkyl)aminopteridines.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1527, doi. 10.1002/jhet.5570190654
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Carbon-13 NMR characterisation of carboxyl derivatives of 1-ureidopyrroles.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1381, doi. 10.1002/jhet.5570190625
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Chemistry of the phenoxathiins and isosterically related heterocycles. XXV.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1561, doi. 10.1002/jhet.5570190665
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On the reaction of 2-aminopyridines with alpha-halocarbonyl compounds.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1437, doi. 10.1002/jhet.5570190636
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Reaction of N-(2-pyridylmethyl)-3,5-dimethylbenzamide and N-(3-pyridylmethyl)-3,5-dimethylbenzamide N-oxides with acetic anhydride.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1297, doi. 10.1002/jhet.5570190607
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Non-Steroidal antiinflammatory agents. 1. A novel synthesis of 1-methyl-5- p-tolylpyrrole-2-acetic acid (tolmetin).
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1493, doi. 10.1002/jhet.5570190647
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[1,2,4]Triazines. 4. Regiospecific ring closure reactions involving 6-amino-5-hydrazino[1,2,4]triazin-3(2 H)-ones and orthoesters.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1345, doi. 10.1002/jhet.5570190618
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The substitution reaction of pyrazine-2,3-dicarbonitrile derivatives with ammonia, amines, water and alcohols.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1409, doi. 10.1002/jhet.5570190631
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Syntheses and transformations of some 1,2,4-oxadiazolylpyrazines.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1397, doi. 10.1002/jhet.5570190629
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1,2,4-triazines. III. A convenient and general synthesis of 4 H-[1,3,4]thiadiazolo[2,3- c][1,2,4]triazin-4-ones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1577, doi. 10.1002/jhet.5570190669
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Reaction of 2-dimethylaminomethylene-1,3-diones with dinucleophiles. I. Synthesis of 1,5-disubstituted 4-acylpyrazoles.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1355, doi. 10.1002/jhet.5570190620
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Convenient preparation of 2-benzoxazolinones with 1,1-carbonyldiimidazole.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1545, doi. 10.1002/jhet.5570190660
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Reactions of N-aminophthalimide with electrophiles. II. Preparation and properties of araldehyde hydrazones.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1537, doi. 10.1002/jhet.5570190658
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Synthesis of 5,8-dihydro-5-oxo-2-(3- or 4-pyridinyl)-pyrido[2,3- d]pyrimidine-6-carboxylic acids and the reinvestigation of the thermal cyclization of diethyl (2-hydroxy-4-pyrimidinyl)amino-methylenemalonate.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1581, doi. 10.1002/jhet.5570190671
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Aminopyrazoles. IV.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1267, doi. 10.1002/jhet.5570190602
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Synthesis of Δ<sup>1[9]</sup>- and/or Δ<sup>8[9]</sup>-dehydroindolizidines and related compounds.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1465, doi. 10.1002/jhet.5570190642
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Photochemical approach to 4,5-dioxoaporphine alkaloids. The total synthesis of pontevedrine.
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- Journal of Heterocyclic Chemistry, 1982, v. 19, n. 6, p. 1319, doi. 10.1002/jhet.5570190613
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