Works matching IS 0022152X AND DT 1988 AND VI 25 AND IP 3
Results: 69
Synthesis of benzo-halogenated 4-hydroxy-2(1 H)-quinolones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 857, doi. 10.1002/jhet.5570250330
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Synthesis of 3-aryl-6 H-isoxazolo[3,4- d]pyrazolo[3,4- b]pyridines and 3-aryl-6 H-isoxazolo[5,4- d]pyrazolo[3,4- b]pyridines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 703, doi. 10.1002/jhet.5570250301
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4(5)-vinylimidazole by dehydrobromination of 1-triphenylmethyl-4-(2-bromoethyl)imidazole.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 915, doi. 10.1002/jhet.5570250341
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Lanthanide(III) ion catalyzed reaction of ammonia and nitriles: Synthesis of 2,4,6-trisubstituted- s-triazines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 767, doi. 10.1002/jhet.5570250312
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Coupling reactions of aryl and heteroaryl halides with a trimethylsilylethynylpyrazine.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 975, doi. 10.1002/jhet.5570250352
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Synthesis of 4-vinylquinoline: Pyrolytic rearrangement of the 4-(1-hydroxyethyl)quinoline and related derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 819, doi. 10.1002/jhet.5570250323
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A new highly efficient method for the synthesis of trans-tetrahydro-3,4-furandiamine.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1035, doi. 10.1002/jhet.5570250363
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Pyridazines. XXXVII.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 879, doi. 10.1002/jhet.5570250334
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Synthesis of 1,4,5-trisubstituted imidazoles as juvenile hormone analogues.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 725, doi. 10.1002/jhet.5570250305
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Preparation of hydrogenated azepino[3,2,1- hi]indoles.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 937, doi. 10.1002/jhet.5570250345
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A facile synthesis of [1,2,4]triazino[3,2- f]purines and [1,2,4]triazepino[3,2- f]purines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 791, doi. 10.1002/jhet.5570250316
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Products from furans. V.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 995, doi. 10.1002/jhet.5570250356
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- Article
Reactions of 1,3-thiazine-2,6-dithiones. Part 7.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 835, doi. 10.1002/jhet.5570250327
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- Article
Dibromotriphenylphosphorane promoted synthesis of condensed heterocyclic systems from aromatic diamines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1047, doi. 10.1002/jhet.5570250367
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- Article
Some novel quinone-type dyes containing naphthoquinone and related fused ring systems.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 901, doi. 10.1002/jhet.5570250338
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- Article
A new heterocyclic structure. The [1,2,3]triazolo[1,5- d][1,2,4]triazine.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 743, doi. 10.1002/jhet.5570250309
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- Article
Synthesis of pyrimidine derivatives by the reaction of ketene dithioacetals with amides.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 959, doi. 10.1002/jhet.5570250349
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The synthesis of XTT: A new tetrazolium reagent that is bioreducible to a water-soluble formazan.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 911, doi. 10.1002/jhet.5570250340
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A facile synthesis of 3-amino-5-substitutedaminoisothiazole-4-carboxylic acid derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 759, doi. 10.1002/jhet.5570250311
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Reactions of substituted phenacyl bromides with various bases: p-methyl- and p-methoxyphenacyl bromide. II.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 973, doi. 10.1002/jhet.5570250351
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Some novel reactions of 2-amino-4-methyloxazole with aldehydes: Aryl and alkyl hydoxymethylation at C-5.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 815, doi. 10.1002/jhet.5570250322
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New benzimidazole synthesis.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1029, doi. 10.1002/jhet.5570250362
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A novel synthesis of precocenes. Efficient synthesis and regioselective O-alkylation of dihydroxy-2,2-dimethyl-4-chromanones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 871, doi. 10.1002/jhet.5570250333
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Synthesis of some novel 7-substituted quinolonecarboxylic acids via nitroso and nitrone cycloadditions.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 719, doi. 10.1002/jhet.5570250304
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Heterocyclic photorearrangements. Photochemical behaviour of some 3,5-disubstituted 1,2,4-oxadiazoles in methanol at 254 nm.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 931, doi. 10.1002/jhet.5570250344
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- Article
A convenient preparation of 3-methyl-3,4-dihydro-2(1 H)-quinazolinone.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 789, doi. 10.1002/jhet.5570250315
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Synthesis of pyrrolo[1,2- b]cinnolines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 991, doi. 10.1002/jhet.5570250355
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Amination of 4-nitro- and 4-cyanopyridazines by liquid ammonia/potassium permanganate.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 831, doi. 10.1002/jhet.5570250326
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A convenient synthesis of 5-substituted-7-β-D-arabinofuranosylpyrrolo[2,3- d]pyrimidines structurally related to the antibiotics toyocamycin and sangivamycin.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1043, doi. 10.1002/jhet.5570250366
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Synthesis and spectra of 7-( o- and p-R-phenyl)-10,10-dimethyl-8,9,10,11-tetrahydrobenz[ c]acridin-8-ones. Structure correction of 1,2,3,4-tetrahydro-2,2-dimethyl-5-aryl-6-aza-7,8-benzophenanthren-4-ones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 895, doi. 10.1002/jhet.5570250337
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Cyclocondensation of 3-amino-2-hydrazino-4(3 H)-pyrimidinones with dimethyl acetylenedicarboxylate. Formation of 1-amino-2,6-dihydro-2,6-dioxo-1 H-pyrimido[1,2- b][1,2,4]triazine-3-acetic acid esters.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 739, doi. 10.1002/jhet.5570250308
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A new synthesis of 1-aryl-5-cyano-1 H-pyrazole-4-carboxylic acid, ethyl esters.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 955, doi. 10.1002/jhet.5570250348
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Synthesis of dimethoxy- and dioxano-annellated benzofuroxans from o-dinitroarenes.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 803, doi. 10.1002/jhet.5570250319
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Facile synthesis and antifungal activity of 3-substituted 4-amino-8-ethoxycarbonylpyrazolo[5,1-c][1,2,4]triazines and pyrazolo[1′,5′:3,4][1,2,4]triazino[5,6- b][1,5]benzodiazepines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1015, doi. 10.1002/jhet.5570250359
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Synthèse et stéréochimie de perhydrocyclopenta[ b]furannones-3- cis et perhydrocyclopenta[ b]furannols-3- cis.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 751, doi. 10.1002/jhet.5570250310
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Benzofurans. Ketene intermediates in the perkin reaction.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 969, doi. 10.1002/jhet.5570250350
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Reactions of furoxano[3,4- b]quinoxaline with alkynes and alkenes. Synthesis of pyrazino[2,3- b]quinoxaline 1,4-dioxides.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 813, doi. 10.1002/jhet.5570250321
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A convenient synthesis of amino-substituted 1,3,5-oxadiazinium salts.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1023, doi. 10.1002/jhet.5570250361
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Acid catalyzed hydrolysis of brotizolam, a thienotriazolodiazepine: Spectroscopic study.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 867, doi. 10.1002/jhet.5570250332
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Novel synthesis of dianthalexin (phytoalexin) analogues preparation.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 715, doi. 10.1002/jhet.5570250303
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Synthesis of 4,12-dihydro-4-oxoquino-[1,8a,8- a,b]quinoxaline-5-carboxylic acid derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 927, doi. 10.1002/jhet.5570250343
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A new improved synthesis and X-ray crystal structure of [1,4]dithiino[2,3- b]-1,4-dithiin.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 783, doi. 10.1002/jhet.5570250314
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Ring transformation of pyrimidines to pyridines. Synthesis of 4-alkylaminopyridin-2-ones by alkaline hydrolysis of 6-(2-dimethylaminovinyl)uracils.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 985, doi. 10.1002/jhet.5570250354
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A new and improved synthesis of 6-aryl-1,2,4-triazolo[4,3- b]pyridazines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 827, doi. 10.1002/jhet.5570250325
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New derivatives of pyrimidine nucleosides: Synthesis, physico-chemical properties and biological activity.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1039, doi. 10.1002/jhet.5570250365
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Reaction between o-diamino-1,2,6-thiadiazine 1,1-dioxides and aldehydes to give fused imidazo and pyrazino derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 891, doi. 10.1002/jhet.5570250336
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Macrocyclic polyether-diester compounds as phase-transfer catalysts.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 735, doi. 10.1002/jhet.5570250307
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Condensed heterocycles containing the pyrimidine nucleus.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 949, doi. 10.1002/jhet.5570250347
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A new synthetic route to 4,6-diarylpyridazinones and some of their derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 799, doi. 10.1002/jhet.5570250318
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Polycondensed heterocycles. III. Synthesis of 5,11-dioxo-1,2,3,1 1a-tetrahydro-5 H,11 H- and 5-oxo-2,3,11,1 1a-tetrahydro-1 H,5 H-pyrrolo[2,1- c][1,4]benzothiazepine.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 3, p. 1007, doi. 10.1002/jhet.5570250358
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