Works matching IS 0022152X AND DT 1997 AND VI 34 AND IP 1
Results: 55
Furopyridines. XX.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 129, doi. 10.1002/jhet.5570340121
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Direct determination of p K<sub>a</sub> values of cationic acids conjugated to heterocyclic amine N-oxides in polar aprotic and amphiprotic solvents.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 215, doi. 10.1002/jhet.5570340132
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Novel diazinyl 3-pyridyl ketones: Efficient synthesis and complete assignment of <sup>1</sup>H and <sup>13</sup>C NMR spectra.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 17, doi. 10.1002/jhet.5570340103
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A general synthetic route to 4-substituted-2,2′-bithiophenes.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 285, doi. 10.1002/jhet.5570340143
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Manganese(III)-mediated intermolecular cyclization reactions of alkenes and active methylene compounds.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 81, doi. 10.1002/jhet.5570340114
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Site selectivity in the reaction of 2-formyl-2 H-azirine- N-arylimines with diphenylketene.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 341, doi. 10.1002/jhet.5570340154
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Study on the structures of 2-substituted iminothiazolidine derivatives.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 157, doi. 10.1002/jhet.5570340125
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2,4,6-Triphenylpyridine as a neutral leaving group in the palladium(0)-catalyzed allylation of nucleophiles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 241, doi. 10.1002/jhet.5570340136
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Synthesis of novel pyridazino[3,4- b]quinoxalines.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 39, doi. 10.1002/jhet.5570340107
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<sup>13</sup>C-NMR study on the tautomerism of 3-(arylhydrazono)methyl-2-oxo-1,2-dihydroquinoxalines between the hydrazone imine and diazenylenamine forms.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 305, doi. 10.1002/jhet.5570340147
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Synthesis of imidazo[4,5- b]pyridines from aminoimidazolecarbaldehydes.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 107, doi. 10.1002/jhet.5570340118
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Nonlinear optical properties of benzofurobenzofurans.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 195, doi. 10.1002/jhet.5570340129
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Synthesis and DNA binding properties of bis-9-acridinyl derivatives containing mono-, di-and tetra-viologen units as a connector of bis-intercalators.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 123, doi. 10.1002/jhet.5570340120
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Alkylation of 4,5-dichloropyridazin-6-one with α,ω-dibromoalkanes or 4,5-dichloro-1-(ω-bromoalkyl)pyridazin-6-ones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 209, doi. 10.1002/jhet.5570340131
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Synthesis of phenylpyrrolylpyrroles. Part III.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 13, doi. 10.1002/jhet.5570340102
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Studies on pyrrolidinones. Synthesis of some bioisosteres of 3,3,5-trimethylcyclohexyl pyroglutamate.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 279, doi. 10.1002/jhet.5570340142
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AM1 computational study of cycloaddition reaction of vinyl sulfene generated from thiete 1,1-dioxide.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 77, doi. 10.1002/jhet.5570340113
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Base promoted transformation on thiadiazolopyridinium chlorides.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 337, doi. 10.1002/jhet.5570340153
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Synthesis of 2-substituted 4-quinazolone-5-carboxylic acids as inhibitors of DNA-gyrase.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 153, doi. 10.1002/jhet.5570340124
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Palladium(0)-catalyzed allylation of heterocycles with cyclopentene derivatives.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 233, doi. 10.1002/jhet.5570340135
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Synthesis of optically active 1,2,3-substituted-1,4,5,6-tetrahydro-7 H-indolones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 33, doi. 10.1002/jhet.5570340106
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Synthesis and binding properties of 2 H-1-benzopyran-2 one fluorophore-linked calcium channel antagonist nifedipine (1,4-dihydropyridine) analogs.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 301, doi. 10.1002/jhet.5570340146
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Reactions of benzotriazoles with diethyl ethoxymethylenemalonate; ethylation and michael addition. Comparison with other esters and N-heterocycles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 97, doi. 10.1002/jhet.5570340117
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2-Benzoyl-2-ethoxycarbonylvinyl-1 and 2-benzoylamino-2-methoxy-carbonylvinyl-1 as N-protecting groups in peptide synthesis. Their application in the synthesis of dehydropeptide derivatives containing N-terminal 3-heteroarylamino-2,3-dehydroalanine.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 177, doi. 10.1002/jhet.5570340128
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Alkyl 2-(2-benzoyl-2-ethoxycarbonyl-1-ethenyl)amino-3-dimethylaminopropenoates in the synthesis of heterocyclic systems.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 263, doi. 10.1002/jhet.5570340139
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1,3-Dipolar cycloaddition reactions of cyclooctyne with pyridinium dicynomethylides.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 203, doi. 10.1002/jhet.5570340130
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2,3,8,9-Dibenzo-5,6-(substituted)benzo-1,4-dithio-7-azacyclonona-2,5,8-trienes. Synthesis and mechanistic study.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 1, doi. 10.1002/jhet.5570340101
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Porphyrins with exocyclic rings. Part 8.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 273, doi. 10.1002/jhet.5570340141
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A new synthetic route to 7 H-imidazo[1,2- b][1,2,4]triazoles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 71, doi. 10.1002/jhet.5570340112
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Synthesis of ethyl 2-aminodihydro-5-pyrimidinecar-boxylate derivatives and 3,7-diethoxycarbonyl-4,6-dihydro-2,4,6,8-tetraaryl-1 H-pyrimido[1,2- a]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 329, doi. 10.1002/jhet.5570340152
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Synthesis of 1,3-diamino-7,8,9,10-tetrahydropyrido[3,2- f]-quinazolines. Inhibitors of Candida albicans dihydrofolate reductase as potential antifungal agents.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 145, doi. 10.1002/jhet.5570340123
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Intramolecular cyclization of amido acids into pyrrolidinothieno(or [1]benzothieno)[3]azepinediones.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 225, doi. 10.1002/jhet.5570340134
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Synthesis of regioisomeric 6,9-(chlorofluoro)-substituted benzo[ g]quinoline-5,10-diones, benzo[ g] isoquinoline-5,10-diones and 6-chloro-9-fluorobenzo[ g]quinoxaline-5,10-dione.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 27, doi. 10.1002/jhet.5570340105
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The complete <sup>1</sup>H and <sup>13</sup>C chemical shift assignments of a cyclopropylpyrroloindole analog: Adozelesin.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 295, doi. 10.1002/jhet.5570340145
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Synthesis of alkyl 2-phenylnicotinates.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 93, doi. 10.1002/jhet.5570340116
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Synthesis of unsymmetrically substituted dodecakis(trifluoroethoxy)-phthalocyaninato vanadyl complexes.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 171, doi. 10.1002/jhet.5570340127
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Synthesis of certain alkenyl purines and purine analogs as inhibitors of tumor necrosis factor alpha (TNFα).
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 257, doi. 10.1002/jhet.5570340138
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Transformations of methyl L-(-)-thiazolidine-4-carboxylate, 2-amino-2-thiazoline and 2-aminothiazole into thiazoloazines and azolothiazoles.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 49, doi. 10.1002/jhet.5570340109
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Antimalarials: Synthesis of 4-aminoquinolines that circumvent drug resistance in malaria parasites.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 315, doi. 10.1002/jhet.5570340149
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Unusual sensitivity to the concentration of ethanol in the boron trifluoride/ethanol-catalyzed synthesis of 5,10,15,20-tetrakis-(4-cyano-2,6-dimethylphenyl)porphyrin by the lindsey method.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 269, doi. 10.1002/jhet.5570340140
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1,2,3-Triazolo[4,5- d]-1,2,4-triazolo[4,3- b]pyridazines.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 65, doi. 10.1002/jhet.5570340111
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Selective, one-pot synthesis of 2,3,6-trisubstituted pyridine and 2-cyclohexen-1-one derivatives from bicyclic ketals.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 325, doi. 10.1002/jhet.5570340151
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Photochemical reactions of 1-methyl-4,6-diaryl-2(1 H)-pyrimidinones in the presence of thiols.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 143, doi. 10.1002/jhet.5570340122
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Functionalization and cyclization reactions of 4-benzoyl-1,5-diphenyl- 1 H-pyrazole-3-carboxylic acid.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 221, doi. 10.1002/jhet.5570340133
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Nitrogen bridgehead compounds. Part 88.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 21, doi. 10.1002/jhet.5570340104
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Saturated heterocycles. 251.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 289, doi. 10.1002/jhet.5570340144
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Synthesis of pyrroloazepines. Facile synthesis of 2-substituted pyrrole derivatives by the phosgene method.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 87, doi. 10.1002/jhet.5570340115
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An expedient synthesis of (±)-2-amino-3-(3-hydroxy-5-methylisoxazol-4-yl)propionic acid hydrobromide via a 3-bromoisoxazole intermediate.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 345, doi. 10.1002/jhet.5570340155
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The chemical properties of 1-substituted 4-oxopyrimidinium cations.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 161, doi. 10.1002/jhet.5570340126
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Aminoacids in the synthesis of heterocyclic systems. The synthesis of methyl 2-acetylamino-3-dimethylaminopropenoate and 2-( N-methyl- N-trifluoroacetyl)amino-3-dimethylaminopropenoate and their application in the synthesis of heterocyclic compounds.
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- Journal of Heterocyclic Chemistry, 1997, v. 34, n. 1, p. 247, doi. 10.1002/jhet.5570340137
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