Works matching IS 0022152X AND DT 1990 AND VI 27 AND IP 6
Results: 63
A novel synthesis of the isoxazolo[5,4,3- kl]acridine ring system.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1617, doi. 10.1002/jhet.5570270617
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Heterocyclic X-azolopyridine intermediates.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1825, doi. 10.1002/jhet.5570270657
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A new and unexpected aminoisoquinoline formed under bischler-napieralski reaction conditions provides for A new synthesis of 3-aminoisoquinolines.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1665, doi. 10.1002/jhet.5570270628
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The reaction of amines with isoflavones. 2.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1727, doi. 10.1002/jhet.5570270639
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Synthesis and regiospecificity in methylation of pyrido[1,2- a]pyrazinium-1- and 3-olates and pyrido[1,2- b]pyridazinium-2- and 4-olates.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1673, doi. 10.1002/jhet.5570270630
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Preparation of potentially bioactive aza and thiaza polycyclic compounds containing a bridgehead nitrogen atom. Synthesis of pyrrolo[1,2,3- de]-1,4-benzothiazine derivatives.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1521, doi. 10.1002/jhet.5570270601
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On the methylation of 5-(4-alkoxyphenyl)-15-(4-pyridyl)porphyrins.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1733, doi. 10.1002/jhet.5570270641
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Preparation of a variety of macrocyclic Di- and tetraamides and their peraza-crown analogs using the crab-like cyclization reaction.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1585, doi. 10.1002/jhet.5570270612
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Synthesis of 9-(hexane-1,6-diol-3-yl)purines, a novel series of acyclic nucleoside analogs and antiviral evaluation.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1801, doi. 10.1002/jhet.5570270652
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Synthèse et étude physicochimique des 1,2,4-triazolo[4,3- a]-pyridines et des 1,2,4-triazolo[2,3- a]pyridines.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1649, doi. 10.1002/jhet.5570270623
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A new synthesis of 7-substituted 2,3-bis(alkylthio)naphth[1,8- bc]-azepines using the tris(alkylthio)cyclopropenyl cation.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1845, doi. 10.1002/jhet.5570270663
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Derivation of fluorine-containing pyridine dicarboxylates IV. N-substituted dihydropyridine derivatives.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1697, doi. 10.1002/jhet.5570270634
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An efficient synthesis of the novel triazoloquinazoline adenosine antagonist, CGS 15943.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1549, doi. 10.1002/jhet.5570270605
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Synthesis of ellipticine and olivacine by the thermal electrocyclic reaction via pyridine 3,4-quinodimethane intermediates.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1751, doi. 10.1002/jhet.5570270645
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Synthesis of 5-methyl-4-oxo-quinolinecarboxylic acids.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1609, doi. 10.1002/jhet.5570270616
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Synthesis of 6-[[(hydroxyimino)phenyl]methyl]-1-[(1-methylethyl)sulfonyl]-1 H-imidazo[4,5- b]pyridin-2-amine. An aza analogue of enviroxime.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1821, doi. 10.1002/jhet.5570270656
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Synthesis, stereochemistry and conformational properties of diastereomeric cyclic dipeptides containing tetrahydro-1,4-thiazine-3,5-dicarboxylic acid.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1661, doi. 10.1002/jhet.5570270627
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Chemistry of thienopyridines. XXXVIII. Diels-Alder reactions of thienopyridine sulfones. Part 2.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1721, doi. 10.1002/jhet.5570270638
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Synthesis of 5-benzyl and 5-benzyloxybenzyl-3′-azido-2′,3′-dideoxyuridine and their analogues as potential anti-AIDS agents.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1569, doi. 10.1002/jhet.5570270609
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Assembled systems [picoline]-[X-azolopyridine]: Bases, salts and polymethine dyes.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1777, doi. 10.1002/jhet.5570270649
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Orientational effect of the phenylsulfonyl group in the thermal spiroketalization of dihydroxyketone equivalents.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1729, doi. 10.1002/jhet.5570270640
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Potassium fluoride-promoted reaction of (2-chloro-2-nitroethenyl)benzenes with 1,3-dicarbonyl compounds. A general synthesis of 6,6-dimethyl-2-nitro-3-phenyl-3,5,6,7-tetrahydro-4(2 H)benzofuranones and some analogs.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1581, doi. 10.1002/jhet.5570270611
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N-chlorination of dilantin and sorbinil.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1793, doi. 10.1002/jhet.5570270651
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Pyridazines. LII.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1645, doi. 10.1002/jhet.5570270622
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Synthesis of tetra-substituted furan derivatives from 1-arylpropane-2,3-diones.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1843, doi. 10.1002/jhet.5570270662
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On triazoles. XXII.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1689, doi. 10.1002/jhet.5570270633
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Preparation, characterization and reactions of novel vicinal dibenzotriazol-1-yl derivatives of benzotriazole and glyoxal.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1543, doi. 10.1002/jhet.5570270604
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Preparation, X-ray crystal structure and <sup>13</sup>C- and <sup>1</sup>H-NMR study of 1-methyl-2-( N-methyl- N-phenylglycyl)-3-( N-methylanilino)indole.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1745, doi. 10.1002/jhet.5570270644
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Amine-induced rearrangements of 2-bromo-1-(1 H-indol-3-yl)-2-methyl-1-propanones: A new route to α-substituted indole-3-acetamides, β-substituted tryptamines, α-substituted indole-3-acetic acids and indole β-aminoketones.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1601, doi. 10.1002/jhet.5570270615
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New cyclobutyl analogs of adenosine and guanosine. Part 1. Synthesis of the 9-[3,3-bis(hydroxymethyl)cyclobutyl]purine nucleoside analogs.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1815, doi. 10.1002/jhet.5570270655
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An improved synthesis of 5,15-diaryloctaalkylporphyrins.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1657, doi. 10.1002/jhet.5570270626
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Synthesis and single-crystal X-ray diffraction analysis of 2-sulfamoyladenosine (6-amino-9-β-D-ribofuranosylpurine-2-sulfonamide).
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1713, doi. 10.1002/jhet.5570270637
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Reactions of triacetylmethane with monosubstituted hydrazines and amidine analogues. Syntheses of 4-acetyl-3,5-dimethylpyrazole amidinohydrazone and 1,3,5-triazine derivatives.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1565, doi. 10.1002/jhet.5570270608
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Polycyclic N-hetero compounds. XXXIII. Syntheses of 4-substituted 6,7-dihydro-5 H-benzo[6,7]-cyclohepta[1,2- d]pyrimidines and their inhibitory activities on platelet aggregation and on reserpine-induced hypothermia.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1771, doi. 10.1002/jhet.5570270648
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Cycloaddition-elimination reactions of 5-imino-1,2,4-dithiazolidin-3-ones with heterocumulenes.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1629, doi. 10.1002/jhet.5570270619
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The reaction of ethyl 4 H-pyran-4-one-2-carboxylate with 1,2-diaminobenzene.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1837, doi. 10.1002/jhet.5570270659
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Carbazoledioxazines having long alkyl groups 1. Synthesis of carbazoledioxazines with linear type structure.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1575, doi. 10.1002/jhet.5570270610
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A conformational analysis of the six isomers of oxybispyridine.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1787, doi. 10.1002/jhet.5570270650
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Synthesis of derivatives of pyrazino[1,2- a]pyrimidin-4-ones.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1639, doi. 10.1002/jhet.5570270621
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A convenient large scale synthesis of 2,6-dimethyl-4-(trimethylstannyl)pyridine.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1841, doi. 10.1002/jhet.5570270661
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Synthesis and spectral data of 4,5-bis[5-aryl-1,3,4-oxadiazol-2-yl]-1-benzyl-1,2,3-triazoles.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1685, doi. 10.1002/jhet.5570270632
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Chemistry of thienopyridines. XXXVII. Syntheses in the cyclopenta, cyclohexa-, and cycloheptathieno[2,3- b]pyridine series. Three analogs of 9-amino-1,2,3,4-tetrahydroacridine.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1537, doi. 10.1002/jhet.5570270603
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Generation and dienophilic properties of 1-benzyl-1 H-1,2,3-triazolo[4,5- d]pyridazine-4,7-dione.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1741, doi. 10.1002/jhet.5570270643
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Reaction of pyridinium disubstituted methylides with diphenylcyclopropenethione.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1597, doi. 10.1002/jhet.5570270614
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Synthesis of the penta-glutamyl derivative of N-[4-[ N-[3-(2,4-diamino-1,6-dihydro-6-oxo-5-pyrimidinyl)-propyl]amino]benzoyl]-L-glutamic acid (5-DACTHF). An acyclic analogue of tetrahydrofolic acid.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1809, doi. 10.1002/jhet.5570270654
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1,3-dipolar cycloaddition as applied to the synthesis of 5-cyano-1-(1,1-dimethylethyl)- N-methyl-1 H-pyrazole-4-carboxamide.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1655, doi. 10.1002/jhet.5570270625
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The improved convergent syntheses of arecolones and isoarecolone.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1709, doi. 10.1002/jhet.5570270636
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Annelated piperazinyl-7,8-dihydro-6 H-thiopyrano[3,2- d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1559, doi. 10.1002/jhet.5570270607
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Thiophene systems. 11. The synthesis of novel thieno[4,3,2- de] tricyclic ring systems.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1761, doi. 10.1002/jhet.5570270647
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Synthesis and stereochemistry of tetrahydro-4-aryl-3-[(dimethylamino)methyl]-2 H-pyranols as potential analgesics.
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- Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1623, doi. 10.1002/jhet.5570270618
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