Works matching IS 0022152X AND DT 1987 AND VI 24 AND IP 5
Results: 54
New syntheses of polyaza derivatives. Crystal structure of pyridazine-3,6-dicarboxylic acid.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1285, doi. 10.1002/jhet.5570240510
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Saturated heterocycles. 136.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1473, doi. 10.1002/jhet.5570240550
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The structure of the diazonium coupling products of phenacyl thiocyanate and phenacyl selenocyanate with diazotized 3-phenyl-5-aminopyrazole.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1341, doi. 10.1002/jhet.5570240521
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Synthesis of trifluoromethyltriazoles from trifluoroacetohydrazonoyl bromide.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1391, doi. 10.1002/jhet.5570240532
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N-Arylation of isatins. A direct route to N-arylisatoic anhydrides.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1249, doi. 10.1002/jhet.5570240503
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The synthesis of 6,6′-cyclo-6′-deoxyhexofuranosyluracils via a diazomethane-promoted ring-enlargement reaction.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1439, doi. 10.1002/jhet.5570240543
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A convenient synthesis of 2-substituted 4-amino-5-pyrimidinecarbonitriles.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1305, doi. 10.1002/jhet.5570240514
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The effect of the steric requirements of trialkylsilyl ethers on ring closure of 1-(benzylamino)-3-chloro-2-(trialkylsiloxy)propanesd.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1489, doi. 10.1002/jhet.5570240554
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Novel heterocyclic systems. Part 27.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1357, doi. 10.1002/jhet.5570240525
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Acetylenchemie 6. Mitt.: Propinylierung von N-Methylbarbitursäuren nach dem PTC- und phosphoroxychlorid-verfahren - nachweis zweier mechanismen bei der chromenbildung von pyrano[3,2- c]chinolin-alkaloiden.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1409, doi. 10.1002/jhet.5570240536
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Pseudoesters and derivatives. XXV.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1269, doi. 10.1002/jhet.5570240507
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Studies on decarboxylation reactions. Part 6.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1457, doi. 10.1002/jhet.5570240547
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The fischer indolisation of (±)-3-methylcyclopentanone phenylhydrazone.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1321, doi. 10.1002/jhet.5570240518
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An improved, large-scale synthesis of xanthothricin and reumycin.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1373, doi. 10.1002/jhet.5570240529
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Synthesis and reactions of 7-substituted 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids as an antibacterial agent.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1333, doi. 10.1002/jhet.5570240520
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Fluorescence reagents. I. Derivatization of carboxylic acids, imides and alcohols with 1-chloromethylbenz[c,d]indol-2(1H)-one (CMBI).
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1381, doi. 10.1002/jhet.5570240531
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Pyrimidines. 9. Chlorination of 6-trifluoromethyluracil with phosphorus oxychloride in the presence of trialkylamines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1243, doi. 10.1002/jhet.5570240502
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Triazolotriazines as potential chemotherapeutic agents. VI.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1435, doi. 10.1002/jhet.5570240542
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Reactions of methyl 3-hydroxythiophene-2-carboxylate. Part 4. Synthesis of methyl 5-azolyl-3-hydroxythiophene-2-carboxylates.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1301, doi. 10.1002/jhet.5570240513
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Unexpected course of the reaction of aromatic aldehydes on lithiated N,N-dimethyl o-(3-quinolyl)carbamate.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1487, doi. 10.1002/jhet.5570240553
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The reaction of N-carboalkoxy reissert analogs with carboxylic acids.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1353, doi. 10.1002/jhet.5570240524
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Potential DNA bis-intercalating agents: Synthesis and antitumor activity of novel, conformationally restricted bis(9-aminoacridines).
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1405, doi. 10.1002/jhet.5570240535
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Ring closures with α-chloroazines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1265, doi. 10.1002/jhet.5570240506
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An improved synthesis of pyrido[2,3- d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1453, doi. 10.1002/jhet.5570240546
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Synthesis of the 1,2,3,4-tetrahydrobenzofuro[2,3- c]pyridine ring system.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1317, doi. 10.1002/jhet.5570240517
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Heterocycles. XIII. Nls orbital binding energies of some quinazolines and pyrimidines by XPS.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1417, doi. 10.1002/jhet.5570240538
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Heterocyclic systems. VIII. synthesis of 1 H,4 H-pyrazolo[4,3- f]pyrrolo[1,2- a]azepine derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1445, doi. 10.1002/jhet.5570240544
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Polycondensed nitrogen heterocycles. Part 17.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1309, doi. 10.1002/jhet.5570240515
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Studies on decarboxylation reactions. Part 5.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1449, doi. 10.1002/jhet.5570240545
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1-Alkoxycarbonyl- and 1-acyl- v-triazolo[4,5- b]-pyridine/hydrogen peroxide oxygenating systems.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1363, doi. 10.1002/jhet.5570240526
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Studies on pyrazines. 16.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1371, doi. 10.1002/jhet.5570240528
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Part 4. Fused pyrimidines. Annelation using formamide to synthesize 2,4-disubstituted-pyrimido[4,5-d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1421, doi. 10.1002/jhet.5570240539
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On the chichibabin amination of pyrimidine and N-alkylpyrimidinium salts using liquid ammonia/potassium permanganate.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1377, doi. 10.1002/jhet.5570240530
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Reaction of 5-(substituted-amino)oxazoles with N-phenylmaleimide.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1237, doi. 10.1002/jhet.5570240501
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The mass spectral fragmentation of isoxazolyldihydropyridines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1429, doi. 10.1002/jhet.5570240541
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Synthesis of perhydro-2(1 H)-quinoxalinones and perhydropyrrolo[1,2- a]quinoxalin-4(5 H)-one derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1297, doi. 10.1002/jhet.5570240512
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The rearrangement of 2-amino-5-benzoyloxazoles with dimethylamine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1485, doi. 10.1002/jhet.5570240552
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Formation of reissert analogs from benzimidazole and use of carboxylic acids in a retro-reissert reaction.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1349, doi. 10.1002/jhet.5570240523
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Crystal and molecular structure of 5,5-dimethyl-δ<sup>1</sup>-1,2,4-triazolin-3-one.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1401, doi. 10.1002/jhet.5570240534
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Reduction products of 3(2 H)-cinnolinones.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1261, doi. 10.1002/jhet.5570240505
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Enzymatic halogenation of pyrazoles and pyridine derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1313, doi. 10.1002/jhet.5570240516
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A new synthesis of imidazo[1,2- a]pyridine and imidazo[2,1- a]isoquinoline derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1365, doi. 10.1002/jhet.5570240527
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Oxamic acid derivaties in heterocyclic synthesis: Preparation of 1,2,4-triazolo[1,5- a]pyrazine derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1281, doi. 10.1002/jhet.5570240509
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Chemistry of thienopyridines. XXXV. Synthesis, tautomerism, and reactions of quinoline and thienopyridine systems which bear a 1-carboethoxy-1-cyanomethyl substituent in the pyridine ring, part 2.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1467, doi. 10.1002/jhet.5570240549
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On the reaction of 2-chloroethylisothiocyanate with aromatic amines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1425, doi. 10.1002/jhet.5570240540
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Regiospecific hydrogenation of quinolines and indoles in the heterocyclic ring.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1477, doi. 10.1002/jhet.5570240551
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Mesoionic isoxazolo[2,3- a]pyrimidinediones and 1,3,4-oxadiazolo[3,2- a]pyrimidinediones as potential adenosine antagonists.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1291, doi. 10.1002/jhet.5570240511
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Regioselectivity in lateral deprotonation of an isoxazolecarboxamide of ( S)-prolinol. Conformational correlation by crystal structure solid state solution <sup>13</sup>C NMR.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1345, doi. 10.1002/jhet.5570240522
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Streptonigrin and lavendamycin partial structures. Preparation of 7-amino-2-(2′-pyridyl)quinoline-5,8-quinone-6′-carboxylic acid: A probe for the minimum, potent pharmacophore of the naturally occurring antitumor-antibiotics.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1253, doi. 10.1002/jhet.5570240504
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Intramolecular cyclization of 4-aryl-1,4-dihydropyridine acetals.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1397, doi. 10.1002/jhet.5570240533
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