Works matching IS 0022152X AND DT 1989 AND VI 26 AND IP 2
Results: 51
The reaction of α,β-unsaturated aldimines with benzofuroxan.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 427, doi. 10.1002/jhet.5570260230
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Base-Catalyzed cyclization of N-propargylamides to oxazoles.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 269, doi. 10.1002/jhet.5570260201
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Synthesis of 3-carboethoxy-4,11-dihydro-11-alkyl/phenyl-4-oxopyrimido[1,2- b][1,2,4]benzothiadiazine 6,6-dioxides. A novel heterocyclic ring system.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 473, doi. 10.1002/jhet.5570260241
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Synthesis of 6 H,8 H-isoquino[2,3- c][1,3]benzothiazin-8-ones.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 333, doi. 10.1002/jhet.5570260212
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Synthesis of antimicrobial agents. IV. synthesis of 1-hydroxypiperazine dihydrochloride and its applications to pyridone carboxylic acid antibacterial agents.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 393, doi. 10.1002/jhet.5570260223
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1,3-dipolar cycloaddition of diazomethane to azolopyridazines. The synthesis of isomeric 7-methyl-7 h- and 8-methyl-8 h-pyrazolo[4,3- d]azolopyridazmes.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 445, doi. 10.1002/jhet.5570260234
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Aminophenyl-X-azolopyridines as precursors of heterocyclic azo dyes.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 289, doi. 10.1002/jhet.5570260205
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Bruceines D, E and H.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 493, doi. 10.1002/jhet.5570260245
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Addition-cyclisations of ethoxycarbonyl isothiocyanate with hydrazine derivatives as a source of thiadiazoles and triazoles.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 355, doi. 10.1002/jhet.5570260216
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- Article
Synthesis of 1-trifluoroacetyl-3-dialkylamino-methyl-5-monosubstituted benzimidazoline-2-thiones using trifluoroacetic acid as an acylating agent.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 409, doi. 10.1002/jhet.5570260227
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Cycloaddition reactions of cephalosporin compounds. XI.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 461, doi. 10.1002/jhet.5570260238
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Azolopyrimidines and pyrimidoquinazolines from 4-chloropyrimidines.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 313, doi. 10.1002/jhet.5570260209
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Preparation and spectroscopic properties of 2-benzothiazolyl araldehyde hydrazones.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 521, doi. 10.1002/jhet.5570260249
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- Article
Synthesis of 1-hydroxy-2 H,5 H-dihydroisoxazolo[5,4- c]quinoline. A novel heterocyclic ring system.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 469, doi. 10.1002/jhet.5570260240
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Synthesis of nitrogen-containing heterocycles. 3. Formation and structure of new 1,2,4-triazole derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 327, doi. 10.1002/jhet.5570260211
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An improved synthesis of indazole-3-carboxylic acid.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 531, doi. 10.1002/jhet.5570260251
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Carbon 13 NMR spectra of pyridylbenz-X-azoles.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 387, doi. 10.1002/jhet.5570260222
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Synthesis of 2-acyl-3-methylthiofurans from 3-methylthio-2-pentene-1,5-dione enolates.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 439, doi. 10.1002/jhet.5570260233
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The synthesis of benzofuroquinolines. V. Some benzofuro[3,2- B]quinoline derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 285, doi. 10.1002/jhet.5570260204
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Electrochemical oxidation of 2,4,5-triaryl-substituted pyrroles. II. Oxidative dimerization of 4,5-diphenyl-2-mesitylylpyrrole.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 489, doi. 10.1002/jhet.5570260244
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Synthesis, structural and conformational study of 4-α-(or β)- p-chlorobenzoyloxy-1-azaadamantane hydrochloride.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 349, doi. 10.1002/jhet.5570260215
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Benzimidazole condensed ring systems. 4.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 405, doi. 10.1002/jhet.5570260226
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Condensed 1,3-benzothiazinones. 2. Synthesis of 2-substituted 1,2,4-triazolo[5,1- b][1,3]benzothiazin-9-ones.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 457, doi. 10.1002/jhet.5570260237
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NMR study of 1-azatricyclo[3.3.1.1<sup>3-7</sup>]decane derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 307, doi. 10.1002/jhet.5570260208
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Electron impact mass spectrometry of 2-(methoxycarbonylmethyl)-2-phenyl-1,3-benzoxathiole and 2-acetonyl-2-phenyl-1,3-benzoxathiole.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 517, doi. 10.1002/jhet.5570260248
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Synthesis and reactions of halo-, nitro-, and arylazo-substituted 3-cinnamoyltropolones. Formation of styryl-substituted heterocycle-fused troponoid compounds.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 371, doi. 10.1002/jhet.5570260219
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The synthesis of 5-azaindoles by substitution-rearrangement of 7-azaindoles upon treatment with certain primary amines.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 317, doi. 10.1002/jhet.5570260210
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Imidazo[2,1- b]thiazole carbamates and acylureas as potential insect control agents.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 525, doi. 10.1002/jhet.5570260250
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Regio- and stereoselectivity of cycloadditions of C-(Trifluoromethyl)nitrone with olefins.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 381, doi. 10.1002/jhet.5570260221
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Preparation and properties of electron donor acceptor complexes of the compounds having capto-dative substituents.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 435, doi. 10.1002/jhet.5570260232
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The synthesis of benzofuroquinolines. IV. Some halobenzofuro[2,3- B]- and [3,2- C]quinoline derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 281, doi. 10.1002/jhet.5570260203
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Synthesis of cycl[3.2.2]azine and benzo[ g]cycl[3.2.2]azine derivatives by use of the [2 + 8] cycloaddition reaction of indolizines and dimethyl acetylenedicarboxylate.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 477, doi. 10.1002/jhet.5570260243
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The insertion and extrusion of heterosulfur bridges. XVI. Synthesis of triphenyleno[1,12- bcd:4,5- b'c'd']dithiophene.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 345, doi. 10.1002/jhet.5570260214
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Synthesis of a novel heterocyclic system: 2-oxo-1,3-dioxolo[4,5- c]pyridine-6-carboxylic acid, phenylmethyl ester.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 401, doi. 10.1002/jhet.5570260225
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Synthesis of a benzodiazepine analogous sydnotriazepine.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 453, doi. 10.1002/jhet.5570260236
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1-Arylsulfonylamino-1,2,3-triazole derivatives from functionalyzed 1,2-cyclohexanediones.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 301, doi. 10.1002/jhet.5570260207
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6-aza-5,8,10-trideaza analogues of tetrahydrofolic acid and tetrahydroaminopterin: Synthesis and biological studies.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 509, doi. 10.1002/jhet.5570260247
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Furan derivatives. Part 10.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 365, doi. 10.1002/jhet.5570260218
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Intramolecular dials-alder cyclization of N-furfurylpropargylamines: A novel general synthesis of isoindoles.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 421, doi. 10.1002/jhet.5570260229
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The syntheses of 4b,5a-dihydro-5 H-benzo[3,4]-phenanthro[1,2- b]azirine and 1a,11b-dihydro-6,11-dimethyl-1 H-benz[3,4]anthra[1,2- b]azirine.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 377, doi. 10.1002/jhet.5570260220
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Synthesis of new fluorescent dyes in the benzoxazinone series: Aminobenzoxazinones with a rigidized structure.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 429, doi. 10.1002/jhet.5570260231
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Ring transformation of 4-amino and 4- N-(substituted)amino-1 H-1,5-benzodiazepine-3-carbonitriles with hydroxylamine. A new synthesis of benzimidazolidine and isoxazole derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 277, doi. 10.1002/jhet.5570260202
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Synthesis and spectral data of pyrido[2,3- e]- as-triazines.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 475, doi. 10.1002/jhet.5570260242
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Enzymatic ADP-ribosylation of benzotriazoles and related triazoles. Difference of glycosidation site between triazoles and indazoles.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 339, doi. 10.1002/jhet.5570260213
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Differences in reactions of vinyl derivatives of pyrrole and thiophene with acetylenic esters.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 397, doi. 10.1002/jhet.5570260224
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A short and stereoselective synthesis of (±)-aristeromycin.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 451, doi. 10.1002/jhet.5570260235
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Synthesis of (imidazo[1,2- C]pyrimidin-2-yl)phenylmethanones and 6-benzoylpyrrolo[2,3- D]pyrimidinones.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 293, doi. 10.1002/jhet.5570260206
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Potential antitumor agents. III. Synthesis of pyrazolo[3,4- e]pyrrolo[3,4- g]indolizine and 1 H-pyrazolo[3,4- e]indolizine derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 503, doi. 10.1002/jhet.5570260246
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Novel tricyclic heterocycles (benzopyrrocolines) arising via carbanion attack on a nitrile function.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 361, doi. 10.1002/jhet.5570260217
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Preparation of crown compounds containing allyloxymethyl or butenyl groups for attachment to silica gel or containing long chain lipophilic groups for use in liquid membrane systems.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 2, p. 413, doi. 10.1002/jhet.5570260228
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