Works matching IS 0022152X AND DT 1994 AND VI 31 AND IP 6
Results: 77
3′-Keto-1-nitro-2-phenylspiro[cyclopropane-3,2′-quinuclidine]: Synthesis and reactions with nucleophiles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1321, doi. 10.1002/jhet.5570310604
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Synthesis of N-alkoxycarbonyl and N-carboxamide derivatives of anti-inflammatory oxindoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1541, doi. 10.1002/jhet.5570310644
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An improved procedure for the preparation of 2-amino-8-alkylpyrido-[2,3- d]pyrimidin-4(3 H)-ones (8-alkyl-N5-deazapterins).
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1385, doi. 10.1002/jhet.5570310615
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Synthesis of N-octylmonoaza-15-crown-5 having a dodecylphosphoric acid functional group and the binding ability toward alkali metal cations.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1605, doi. 10.1002/jhet.5570310655
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Experimental and computational studies of trifluoromethylation of aromatic amines by the system trifluoroiodomethane-zinc-sulfur dioxide.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1413, doi. 10.1002/jhet.5570310619
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Praziquantel analogs. Synthesis of substituted 4-(2-,3- and 4- R)-carboxyphenyl-1,4-pyrazin-2-ones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1521, doi. 10.1002/jhet.5570310640
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A convenient synthesis of 3-alkyl-2,3-dihydro-2,4-dioxo-6-phenyl-, 3-alkyl-2,3-dihydro-4-oxo-6-phenyl-2-thioxo-, and 3-alkyl-2-arylimino-2,3-dihydro-4-oxo-6-phenyl-4 H-1,3-thiazines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1361, doi. 10.1002/jhet.5570310611
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Structural study of 5-methoxyfuro[3,2- e]imidazo[1,2- c]pyrimidine.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1583, doi. 10.1002/jhet.5570310651
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Synthesis and spectral properties of 6,7-dimethoxy-1-[( ortho; and para-R)-phenyl]-3,4-dihydroisoquinoline.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1425, doi. 10.1002/jhet.5570310622
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Synthesis of oxazolo[4,5- c]quinolones by thermolytic degradation of 4-azido-2(1 H)-quinolones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1647, doi. 10.1002/jhet.5570310662
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Stereochemical effects in the nitrosation of some α,β-unsaturated ketoximes. Formation of 1-hydroxypyrazole 2-oxides and 4-oximino-4,5-dihydroisoxazoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1481, doi. 10.1002/jhet.5570310633
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Reactivity of nucleophilic uracil derivatives.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1707, doi. 10.1002/jhet.5570310673
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Synthesis of nitrogen-containing heterocycles 6.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1445, doi. 10.1002/jhet.5570310626
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New [ g]-fused [1,2,4]triazolo[1,5- c]pyrimidines: Synthesis of pyrido[3,2- e] and [4,3- e][1,2,4]triazolo[1,5- c]pyrimidine, pyrimido[5,4- e][1,2,4]triazolo[1,5- c]pyrimidine and [1,2,4]triazolo[1,5- c]pteridine derivatives.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1503, doi. 10.1002/jhet.5570310637
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Formation of isoindoline derivatives from o-bromoacetylbenzophenones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1725, doi. 10.1002/jhet.5570310677
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Synthesis and NMR studies of thiazolidine-4-carboxylic acid derivatives containing a nitro ester function.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1343, doi. 10.1002/jhet.5570310608
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Synthesis of 1,4-dihydro-4-oxopyridazino[1,6- a]indole-3-carboxylic acids and 1,4-dihydro-4-oxopyrido[3′,2′:4,5]pyrrolo[1,2- b]-pyridazine-3-carboxylic acids as potential antibacterial agents.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1561, doi. 10.1002/jhet.5570310648
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1,3-Dipolar cycloaddition reactions of nitrones with vinylacetic olefins in the racemic series and synthesis of δ-lactams via isoxazolidines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1667, doi. 10.1002/jhet.5570310666
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Reactions of activated aryl sydnones with electrophiles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1631, doi. 10.1002/jhet.5570310659
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The synthesis of biologically relevant 4(5)-phosphono-5(4)-aminoimidazoles using a Pd-catalyzed coupling reaction.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1701, doi. 10.1002/jhet.5570310672
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Novel pyranopyridine derivatives from an enaminone.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1577, doi. 10.1002/jhet.5570310650
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Syntheses of 1-substituted 1,2,4-triazoles, imidazoles and benzimidazoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1421, doi. 10.1002/jhet.5570310621
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Syntheses of 1,5,6-trimethyl-2-aminoimidazo[4,5- b]pyridine and 3,5,6-trimethyl-2-aminoimidazo[4,5- b]pyridine.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1641, doi. 10.1002/jhet.5570310661
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A new procedure for the synthesis of 4 H-pyrazolo[1,5- c][1,3,5]thiadiazine-4-thiones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1477, doi. 10.1002/jhet.5570310632
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Synthesis of 5 H-[1]benzopyrano[4,3- b]pyridin-5-ones containing an azacannabinoidal structure.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1353, doi. 10.1002/jhet.5570310610
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Synthesis of 5,6-dihydro-4 H-pyrrolo[1,2- a][1,4]benzodiazepine and 10,11-dihydro-5 H,12 H-pyrrolo[2,1- c][1,4]benzodiazocine derivatives via cyclization of 2-aminomethylpyrroles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1317, doi. 10.1002/jhet.5570310603
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Novel heterocycles derived from 3-acyloxy- and 3-acetamidoquinuclidines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1497, doi. 10.1002/jhet.5570310636
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Fused lactones as a route to functionalized 1-substituted indoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1381, doi. 10.1002/jhet.5570310614
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Pyrimidine derivatives XII. A convenient preparation of 6-formylpyrimidinedione and 2- and 3-formylpyridine derivatives from corresponding nitrooxymethyl derivatives.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1599, doi. 10.1002/jhet.5570310654
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Synthesis of 3-[[(2-benzimidazolyl)thio]methyl]-1-methyl-1,8-dihydrocycloheptapyrazol-8-ones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1557, doi. 10.1002/jhet.5570310647
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Substituent effects on the tautomer ratios between the hydra-zone imine and diazenyl enamine forms in 3-(arylhydra-zono)methyl-2-oxo-1,2-dihydroquinoxalines. Correlation of the hammett constants σ<sub> p</sub> with the tautomeric equilibrium constants K<sub>T</sub>
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1661, doi. 10.1002/jhet.5570310665
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Reaction of oxalyl and malonyl chloride with 1,1-dimethyl-2-substituted hydrazides.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1535, doi. 10.1002/jhet.5570310643
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Synthesis of 2-(1-chloroalkyl)-1,3-benzodithioles and 2-alkylidene-1,3-benzodithioles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1721, doi. 10.1002/jhet.5570310676
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Electron impact mass spectrometry of new tris(polyoxalkyl)amines (tridents).
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1337, doi. 10.1002/jhet.5570310607
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Synthesis of 2,6-di- tert-butylphenols linked to 1,3,4-oxadiazoles and 1,3,4-thiadiazoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1439, doi. 10.1002/jhet.5570310625
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Demethylation reactions of 4-amino- N-(2,6-dimethoxy-4-pyrimidinyl)benzenesulfonamide (sulfadimethoxine) in strongly basic aqueous solution.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1407, doi. 10.1002/jhet.5570310618
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The photochemical reactions of the halogenated N-benzylanilines. Mechanism of the reactions.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1625, doi. 10.1002/jhet.5570310658
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Synthesis of 6-(pyrrol-1-yl)purine and of some of its 9-glycosides.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1461, doi. 10.1002/jhet.5570310629
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Preparation and alkylation of regioisomeric tetrahydrophthalimide-substituted indolin-2(3 H)-ones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1513, doi. 10.1002/jhet.5570310639
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Reactions of 2,3-dihydro-1 H-cyclohepta[ b]pyrazines with acyl halides.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1553, doi. 10.1002/jhet.5570310646
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Development of a stereoselective and chemoselective approach to trans-2,3-disubstituted-4-chromanones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1401, doi. 10.1002/jhet.5570310617
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A simple procedure for the synthesis of 3-(substituted-sulfanyl)-4-hydroxy-6-substituted-pyran-2-ones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1619, doi. 10.1002/jhet.5570310657
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The formation of pyrazolo[1,5- a]pyrimidines by the reaction of 3-(4-chlorophenyl)pyrazol-5-amine with chalcones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1333, doi. 10.1002/jhet.5570310606
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Preparation, structural characterization, and acid-catalyzed isomerization of 3-, 7-, and 9-benzyl-6-benzylthiopurines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1685, doi. 10.1002/jhet.5570310669
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Synthesis, structure, and NMR characterization of a novel [3.3] metacyclophane.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1417, doi. 10.1002/jhet.5570310620
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A comparison of phenylboronic acid and phenyltrimethyltin in the palladium-catalyzed arylation of 1,5-dialkylimidazoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1637, doi. 10.1002/jhet.5570310660
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Conversion of N-arylglycolohydroxamic acids to 1,2,3-oxathiazolidin-4-one 2,2-dioxides.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1473, doi. 10.1002/jhet.5570310631
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Reaction of azole condensed quinoxaline N-oxides with acetic anhydride.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1697, doi. 10.1002/jhet.5570310671
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Metalation of diazines. XI. Directed ortho-lithiation of fluoropyrimidines and application to synthesis of an azacarboline.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1311, doi. 10.1002/jhet.5570310602
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Tetrazole compounds. 9.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 6, p. 1529, doi. 10.1002/jhet.5570310642
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