Works matching IS 0022152X AND DT 1983 AND VI 20 AND IP 6
Results: 67
Some observations concerning the lactonization of 3-aroylpropionic acids.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1545, doi. 10.1002/jhet.5570200621
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Deoxygenation of quinoxaline and phenazine N-oxides by catalytic transfer reduction and by iodide in the presence of pyridine/sulfur trioxide complex.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1735, doi. 10.1002/jhet.5570200661
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Synthesis of 2-phenyl-3,4-dihydro-2 H- and -3,4,5,6-tetrahydro-2 H-1,6-benzothiazocine derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1593, doi. 10.1002/jhet.5570200632
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The synthesis of the monomethylbenzo[2,3]phenanthro-[4,5-bcd]thiophenes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1453, doi. 10.1002/jhet.5570200603
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Synthesis of 4-amino-6-phenyl-3(2 H)-pyridazinones: A general procedure.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1473, doi. 10.1002/jhet.5570200607
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Pyridinethiones. VIII. The aldol and wittig condensations of 3-formyl-2(1 H)-pyridones, -thiones and -selones. Preparation of new cyanopyridones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1651, doi. 10.1002/jhet.5570200643
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One-pot synthesis and structure of 10-heteroarylphenothiazines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1677, doi. 10.1002/jhet.5570200647
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Reaction of 4-Amino-1,2,4-triazines with phosphorus pentasulfide. Deamination during aromatization.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1709, doi. 10.1002/jhet.5570200654
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A new aldehyde of the naphthyridine series.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1749, doi. 10.1002/jhet.5570200665
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1,3-cycloaddition of substituted benzonitrile oxides to aliphatic nitriles. The kinetic effect of substituents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1609, doi. 10.1002/jhet.5570200636
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Polycyclic nitrogen compounds. Part II. Tricyclic quinoxalinones and their 4- or 6-aza analogues.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1509, doi. 10.1002/jhet.5570200614
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The synthesis of 1,4-ethano-1,2,3,4-tetrahydroisoquinolines as rigid analogues of adrenergic agents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1581, doi. 10.1002/jhet.5570200629
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Synthesis of some 4-substituted-2-( o-halogenophenyl)-1,2,3-triazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1561, doi. 10.1002/jhet.5570200625
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Synthesis of the metabolites of oxapadol, a new non-narcotic analgesic agent.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1525, doi. 10.1002/jhet.5570200618
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Nitrile oxides cycloadditions to cinnamaldehyde. Facile dehydrogenation of 4-formyl-4,5-dihydroisoxazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1505, doi. 10.1002/jhet.5570200613
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1,2,4-triazines. 7. Regioselective n2-amination of 3-methylthio-1,2,4-triazin-5(2 H)-ones.A novel synthesis of [1,2,4]triazolo[2,3- b][1,2,4]triazinones and -triazine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1671, doi. 10.1002/jhet.5570200646
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Synthesis of 3,4-dihydrothioxanthene-1,9-dione analogs as potential antimalarial agents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1575, doi. 10.1002/jhet.5570200628
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Friedländer condensation of 1 H-pyrazolin-5-ones with O-aminobenzaldehydes. Synthesis of 1 H-pyrazolo[3,4- B]quinolines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1539, doi. 10.1002/jhet.5570200620
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Improvement in the synthesis of N, N'-diacyl-1,2-di(4-pyridyl)ethylenediamines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1723, doi. 10.1002/jhet.5570200658
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1,4-benzothiazine derivatives from 2-aminobenzenethiol and hydrazonoyl halides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1523, doi. 10.1002/jhet.5570200617
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2,1-Benzisothiazoles. XII.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1707, doi. 10.1002/jhet.5570200653
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Ester, amide and ether derivatives of 1-( p-phenyl-substituted)-1,2,3-triazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1729, doi. 10.1002/jhet.5570200660
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The chemistry of 2 H-3,1-benzoxazine-2,4(1 H)-dione (isatoic anhydride). 12. Synthesis of araliopsine and isoplatydesmine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1589, doi. 10.1002/jhet.5570200631
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Propriétés de la benzopyranno[1][2,3- b]quinoxalinone-12.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1645, doi. 10.1002/jhet.5570200642
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Dipole moments and conformation of 1-( N, N-Diaroyl)amino-1,2,3-triazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1469, doi. 10.1002/jhet.5570200606
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Pyrimidines from furfural. A convenient synthesis of 5-bromo- and 5-chloropyrimidine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1721, doi. 10.1002/jhet.5570200657
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On the syntheses of thiophene analogs of practolol and 'reversed' practolol.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1557, doi. 10.1002/jhet.5570200624
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A comparison of some friedel-crafts and grignard reactions of optically active phenyloxirane.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1745, doi. 10.1002/jhet.5570200664
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The synthesis of 4 H-imidazo[5,1-c][1,4]benzothiazine derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1605, doi. 10.1002/jhet.5570200635
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An unexpected preparation of 4-oxo-2 H-1,3-benzothiazines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1755, doi. 10.1002/jhet.5570200668
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Reaktionen von fulvenen mit 1,3-dipolaren verbindungen. IV.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1621, doi. 10.1002/jhet.5570200639
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Kinetic study on the acid hydrolysis of 1-aryl-2-phenyl-2-imidazolines. Basicity-rate of hydrolysis and structure relationships.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1585, doi. 10.1002/jhet.5570200630
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Chemistry of 4-Oxo-4 H-[1]benzopyran-3-carboxaldehyde.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1437, doi. 10.1002/jhet.5570200601
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A <sup>13</sup>C-NMR assignment study of a series of 2,3,4,5-tetrahydro-1-methyl-1 H-1,5-benzodiazepine-2,4-diones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1641, doi. 10.1002/jhet.5570200641
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Displacement reactions of 5-chloro-4-phenylazopyrazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1501, doi. 10.1002/jhet.5570200612
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Base-promoted reaction of a hydrazonyl chloride with 1-phenylsulphonylpropyne.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1705, doi. 10.1002/jhet.5570200652
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Synthesis and anticonvulsant activity of 3-amino-4(3 H)-quinazolinones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1553, doi. 10.1002/jhet.5570200623
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Angular heterocycles. Utilization of arylaminonaphthoquinones in the synthesis of benzophenothiazines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1741, doi. 10.1002/jhet.5570200663
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Darstellung und isolierung isomerer phenoxaphosphinsäuren.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1601, doi. 10.1002/jhet.5570200634
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Photoaddition of 2,3-dimethylmaleic anhydride to selenophthene.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1465, doi. 10.1002/jhet.5570200605
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Autocorrelated <sup>13</sup>c-<sup>13</sup>c double quantum coherence two-dimensional nmr spectroscopy: Utilization of a modified version of the technique as an adjunct in the total assignment of the <sup>1</sup>h- and <sup>13</sup>c-nmr spectra of the mutagen phenanthro[3,4- b]thiophene
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1661, doi. 10.1002/jhet.5570200645
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2-(4-alkylamido-2-hydroxyphenyl)benz-X-azoles as intermediates for the synthesis of dyes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1517, doi. 10.1002/jhet.5570200616
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Chemistry of thienopyridines. XXX. Elaboration of the substituent in 6-cyanothieno[2,3- b]pyridine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1717, doi. 10.1002/jhet.5570200656
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Activated nitriles in heterocyclic synthesis. A novel synthesis of pyrazine derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1571, doi. 10.1002/jhet.5570200627
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A facile synthesis of two thioacrolein dimers. A new entry to a flavor component in asparagus.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1753, doi. 10.1002/jhet.5570200667
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Mass Spectral Fragmentation Patterns of 11-( o- and p-R-Anilino)-5 H-dibenzo[ b,e][1,4]diazepines. IV.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1615, doi. 10.1002/jhet.5570200638
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Synthesis of some benzimidazole- and benzothiazole-derived ligand systems and their precursory diacids.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1481, doi. 10.1002/jhet.5570200609
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<sup>13</sup>C NMR spectral characterization of epimeric rotenone and some related tetrahydrobenzopyranofurobenzopyranones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1687, doi. 10.1002/jhet.5570200649
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Reactions with diazoazoles. Part VI. Unequivocal synthesis of 3-methyl-3 h-azolotetrazoles. Correction of the formerly described 3-methylazolotetrazoles in favour of mesoionic 2-methylazolotetrazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1629, doi. 10.1002/jhet.5570200640
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A new synthesis of naphtho[2,3- C]pyrroles. Conversion of naphtho[2,3- C]thiophene-4,9-diones to naphtho[2,3- C]pyrrole-4,9-diones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 6, p. 1497, doi. 10.1002/jhet.5570200611
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