Works matching IS 0022152X AND DT 1983 AND VI 20 AND IP 5
Results: 58
The reaction of 4-alkyl-3-thiosemicarbazides with β-haloketones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1359, doi. 10.1002/jhet.5570200540
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Syntheses de nouveaux heterocycles pyrroliques: Des thiepino[4,5- c]- et [4,5- b]pyrroles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1191, doi. 10.1002/jhet.5570200511
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Reductive cleavage of ether and thioether bonds on 1,3-benzodioxole and 1,3-benzoxathiole derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1413, doi. 10.1002/jhet.5570200551
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Hydrazination of pyridazines and phthalazines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1259, doi. 10.1002/jhet.5570200522
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Chemical and X-Ray crystallographic characterization of the reaction products in the 1,3-dipolar cycloaddition of diazomethane to p-toluquinone.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1315, doi. 10.1002/jhet.5570200533
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Studies on the synthesis of heterocyclic compounds. Part X. One-step route to 1,2-dimethyl-3- R-5-salicyloylimino-3-pyrazolines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1153, doi. 10.1002/jhet.5570200504
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New oxidative cyclizations of 1,3,4,6-tetraketones. Synthesis and structure of ( Z)-2-acyl-5-alkyl(aryl)-1,4-dioxaspiro[2.4]hept-5-en-7-ones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1389, doi. 10.1002/jhet.5570200544
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The chemistry of 2 H-3,1-benzoxazine-2,4(1 H)-dione (isatoic anhydride). 10. Reactions with ester enolates. Synthesis of 4-hydroxy-1-methyl-3-prenyl-2(1 H)-quinolinones, Crucial intermediates in the synthesis of quinoline alkaloids.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1217, doi. 10.1002/jhet.5570200515
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o-Hydroxyphenylureas. Intermediates in the urea fusion synthesis of 2-benzoxazolinones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1423, doi. 10.1002/jhet.5570200555
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Synthesis of some alkyl- and arylimidazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1277, doi. 10.1002/jhet.5570200526
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New synthesis of 11-acyl-5,11-dihydro-6 H-pyrido[2,3-b][1,4]-benzodiazepin-6-ones and related studies.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1339, doi. 10.1002/jhet.5570200537
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Sur l'orientation de la nitration des nitriles et amides coumariliques Bz-méthoxylés.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1175, doi. 10.1002/jhet.5570200508
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Synthesis of 5-Aryl-3-(4-pyridyl)-1,2,4-oxadiazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1403, doi. 10.1002/jhet.5570200548
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N-polylazolylméthanes. III.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1245, doi. 10.1002/jhet.5570200519
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Spectrométrie de masse. Fragmentations induites par impact électronique d'amino et de diméthylaminopyrimidines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1187, doi. 10.1002/jhet.5570200510
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3,3′-Oxybispyridine and the polarographic reduction of 1,1′-dimethyl-3,3′-oxybispyridinediium diiodide.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1411, doi. 10.1002/jhet.5570200550
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Condensed 1,2,4-triazines. Regioselective condensations with benzo[ h]quinoline-5,6-dione.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1255, doi. 10.1002/jhet.5570200521
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Eight-membered heterocycles. 12 H-dibenzo[ d,g][1,3,2]dioxaphosphocin and 12 H-dibenzo[ d,g][1,3,2]dioxaborocin derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1311, doi. 10.1002/jhet.5570200532
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The synthesis of phenanthro[4,5- bcd]thiophene and the four monomethylphenanthro[4,5- bcd]thiophenes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1149, doi. 10.1002/jhet.5570200503
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New efficient total syntheses of derivatives of protoporphyrin-IX bearing deuteriated methyl groups.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1383, doi. 10.1002/jhet.5570200543
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N,O-heterocyclics. 13.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1207, doi. 10.1002/jhet.5570200514
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Nitrophenyl derivatives of the furazan and furoxan ring systems.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1419, doi. 10.1002/jhet.5570200554
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Synthesis of 1,2,3,4-tetrahydroquinazoline derivatives as potential alpha-adrenergic blocking agents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1271, doi. 10.1002/jhet.5570200525
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Attempts at new synthesis of 5,11 -Dihydro-6 H-pyrido[2,3-b][1,4]benzodiazepin-6-one.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1335, doi. 10.1002/jhet.5570200536
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Synthèse d'analogues acycliques de C-nucléosides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1169, doi. 10.1002/jhet.5570200507
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A new synthesis of symmetrical 2,5-diaryl-1,3,4-thiadiazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1399, doi. 10.1002/jhet.5570200547
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Regioselective arylation of 3-bromopyridine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1239, doi. 10.1002/jhet.5570200518
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On the assignment of the <sup>13</sup>C-NMR spectrum of phenothiazine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1435, doi. 10.1002/jhet.5570200558
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Functionalization of substituted 2(1 H)- and 4(1 H)-pyridones. III. The preparation of substituted 6-Vinyl-1,2-dihydro-2-oxo- and 1,4-dihydro-4-oxo-3-pyridinecarboxylic acids through the chemistry of pyridone dianions.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1295, doi. 10.1002/jhet.5570200529
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Synthesis of Benzofuro[3,2- e][1,4]diazepines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1251, doi. 10.1002/jhet.5570200520
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Reactions of 1-glucosyl-5-nitro-1,2,4-triazole with nucleophiles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1307, doi. 10.1002/jhet.5570200531
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The synthesis of dinaphthothiophenes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1143, doi. 10.1002/jhet.5570200502
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Assignment of the <sup>1</sup>H- and <sup>13</sup>C-NMR spectra of phenanthro[1,2- b]thiophene through the concerted application of two-dimensional NMR spectroscopic techniques.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1367, doi. 10.1002/jhet.5570200542
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Mass Spectral fragmentation patterns of heterocycles. V.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1199, doi. 10.1002/jhet.5570200513
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Synthesis of 4(5)-hydroxymethylimidazoles by hydroxymethylation and decarboxylation of imidazole-4(5)-carboxylic acids.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1417, doi. 10.1002/jhet.5570200553
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Chromium trioxide oxidation products from 4-spiro-1-phenylisochromans.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1267, doi. 10.1002/jhet.5570200524
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Novel synthesis of 5,11-dihydro-6 H-pyrido[2,3- b]-[1,4]benzodiazepin-6-ones and related studies.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1329, doi. 10.1002/jhet.5570200535
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Reactions of 2-hydroxybenzonitrile with isocyanates.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1159, doi. 10.1002/jhet.5570200506
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Studies on the synthesis of heterocyclic compounds. X. Antimony derivatives for the preparation of macrocyclic tetraesters.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1397, doi. 10.1002/jhet.5570200546
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Ring closure reactions involving 1-hydrazinophthalazine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1231, doi. 10.1002/jhet.5570200517
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The use of 2-0xazolidinone as a latent aziridine equivalent. I. A facile method for the preparation of 2-substituted oxazolines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1431, doi. 10.1002/jhet.5570200557
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Imdazole systems. I. Imidzo[2,1- b][1,3,5]benzothiadiazepine derivatives as potential antipsychotic agents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1287, doi. 10.1002/jhet.5570200528
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Synthesis of a novel indolobenzodiazepine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1355, doi. 10.1002/jhet.5570200539
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Reaktionen von elektronenreichen heterocyclen mit orthocarbonsäure-derivaten. I. Zum reaktionsverhalten von acyclischen orthoestern mit indolen unter säurekatalyse.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1303, doi. 10.1002/jhet.5570200530
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Recent advances in the chemistry of ethoxycarbonyl isothiocyanate and related compounds.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1127, doi. 10.1002/jhet.5570200501
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Synthesis of substituted 3-nitroso-2,4-pyridinediols for use as analytical reagents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1363, doi. 10.1002/jhet.5570200541
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2-Benzazepines. 7. Synthesis of pyrimido[5,4- d][2]benzazepines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1195, doi. 10.1002/jhet.5570200512
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6-Iodo-2-chloro-7-methylpurine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1415, doi. 10.1002/jhet.5570200552
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Cycloaddition of dimethyl acetylenedicarboxylate to indoles. Isolation of a [2 + 2] adduct.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1263, doi. 10.1002/jhet.5570200523
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Chiral 1,4-benzodiazepines. XII.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 5, p. 1321, doi. 10.1002/jhet.5570200534
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