Works matching IS 0022152X AND DT 1998 AND VI 35 AND IP 1
Results: 47
Formation and structure of 1-Amino-4-methyl-4-(4-methyl-5-phenyl-1 H-pyrazol-3-ylamino)-3-phenyl-4,5-dihydro-1 H-pyrazol-5-one.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 109, doi. 10.1002/jhet.5570350120
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An efficient stereospecific preparation of (Z)-3-methylidene-selenophthalides and (z)-3-methylidenetellurophthalides.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 165, doi. 10.1002/jhet.5570350131
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Synthesis of 2,3-dihydro-3-hydroxy-2-(pyrrol-1-ylmethyl)-1 H-isoindol-1-one. An intermediate for the synthesis of tetracyclic systems.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 9, doi. 10.1002/jhet.5570350102
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Synthesis of pyrimido[4,5- b]quinolines in the reaction of 6-aminopyrimidines with dimedone and benzaldehydes.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 231, doi. 10.1002/jhet.5570350142
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Pyridine Syntheses. II. Condensation Routes Toward Streptonigrin Ring C.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 65, doi. 10.1002/jhet.5570350113
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The solid-state michael addition of 3-methyl-1-phenyl-5-pyrazolone.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 129, doi. 10.1002/jhet.5570350124
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4-Methyl-3,4-dihydrospiro[cycloheptane-1′,2(1 H)-quinoline] and 4-methyl-3,4-dihydrospiro[cyclooctane-1′,2(1 H)-quinoline]. synthesis of derivatives and chemical transformations.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 183, doi. 10.1002/jhet.5570350135
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Synthesis of 4-(pyrazol-5-yl)-1,2,4-triazole-3-thiones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 29, doi. 10.1002/jhet.5570350106
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A new simple synthesis of 3,5-disubstituted 1-amino-1,3,5-triazine-2,4,6-triones from ethoxycarbonylhydrazones and isocyanates.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 261, doi. 10.1002/jhet.5570350146
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The synthesis of some pyrano[2,3- g]chromene-2,7-diones and furo[2,3- g]chromen-6-ones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 91, doi. 10.1002/jhet.5570350117
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Synthesis and structure of dinitroazofurazan.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 151, doi. 10.1002/jhet.5570350128
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Synthesis and properties of a new series of trögerophanes.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 209, doi. 10.1002/jhet.5570350139
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Structure elucidation and <sup>13</sup>c NMR assignment of an 1,2,4-oxadiazole substituted pyrazole.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 161, doi. 10.1002/jhet.5570350130
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Synthesis and Complexation Properties of Pyrimidine-Derived Crown Ether Ligands.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 1, doi. 10.1002/jhet.5570350101
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Substituted N-cyanomethyl-2-halo- N-methylarenecarboxamides as precursors of 1,4-benzothiazepines.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 225, doi. 10.1002/jhet.5570350141
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Synthesis of pyrazolo[1,5- a]pyrimidines in the reaction of 5-amino-3-arylpyrazoles with methoxymethylene meldrum's acid derivatives and thermolysis of their pyrazolylaminomethylene derivatives.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 61, doi. 10.1002/jhet.5570350112
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A novel reaction of (2a7-trinito-9 H-fluoren-9-ylidene)-propanedinitrile with N-arylisoindolines.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 121, doi. 10.1002/jhet.5570350123
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Synthesis of thiazole-containing benzo-crown ethers.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 177, doi. 10.1002/jhet.5570350134
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Synthesis and studies on spectral behaviour and molecular dynamics of 7-Aryl-4,5-Dihydro-2-Oxo-3 H,8 H-Furo[3,4- b] [1,4]diazepines.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 25, doi. 10.1002/jhet.5570350105
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Structural assignment of 2,3,7,8-tetrahydro-5 H,10 H-[1,5,3]dioxazepino[3,2- c]indolo[3,2- g]pteridin-7-one, a New heterocyclic ring system.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 257, doi. 10.1002/jhet.5570350145
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Synthesis of aryl ω-(1-methyl-5-imidazolyl and 1 H-5-tetrazolyl)alkyl ketones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 81, doi. 10.1002/jhet.5570350116
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Synthesis and unexpected reactions of 2-Hydroxy-3-pyridinylacetic hydrazides. Formation of 2 H-Pyrrolo[2,3- b]pyridin-2-ones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 145, doi. 10.1002/jhet.5570350127
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Saturated heterocycles. 254.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 201, doi. 10.1002/jhet.5570350138
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A new preparation of substituted 4 H-1-benzothiopyran-4-ones from c(α) N-benzoylhydrazones or c(α) N-carboalkoxyhydrazones and methyl thiosalicylate.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 45, doi. 10.1002/jhet.5570350109
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Synthesis of 4-Aryl-3-(2-chromonyl)-2-pyrazolines by the 1,3-dipolar cycloaddition of 2-styrylchromones with diazomethane.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 217, doi. 10.1002/jhet.5570350140
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Synthesis of purinobenzothiazine and pyridothiazinopurine derivatives. Two new heterocyclic ring systems.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 57, doi. 10.1002/jhet.5570350111
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Synthesis of new 2 H,4 H-benzopyrano[3,4- b]yridine-1,3,5-trione derivatives via carbon suboxide.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 117, doi. 10.1002/jhet.5570350122
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( E)-1-benzotriazolyl-3-(phenylsulphonyl)-1-propene and its alkylation reactions.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 173, doi. 10.1002/jhet.5570350133
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Syntheses of new pyridonecarboxylic acid derivatives containing 1- or 2-naphthyl substituents at n-1 and their anti-hiv-rt activities.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 17, doi. 10.1002/jhet.5570350104
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Synthesis of the methanesulfonates of α-(4-chlorophenyl)-α-[1-(2-chlorophenyl)emenyl]-1 H-1,2,4-triazole-1-ethanol and α-[1-(2-chlorophenyl)ethenyl]-α-(2,4-difluorophenyl)-1 H-1,2,4-triazole-1-ethanol, alpha styryl carbinol antifungal agents
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 249, doi. 10.1002/jhet.5570350144
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Synthesis of some azeto[2,1- a]isoquinolin-2-ones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 77, doi. 10.1002/jhet.5570350115
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Syntheses of 4 and 5-alkylsulfonylimidazoles.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 141, doi. 10.1002/jhet.5570350126
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The synthesis of aminimide-containing azole antifungals.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 193, doi. 10.1002/jhet.5570350137
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Resolution of four k-region arene imines and mutagenicity of the optically pure aziridines.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 39, doi. 10.1002/jhet.5570350108
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1,3-Dipolar cycloaddition of 1,2- o-isopropylidene-α-d-xylopentadialdo-1,4-furanosenitrile oxide to some alkenes.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 103, doi. 10.1002/jhet.5570350119
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Iminium carbonic acid derivative salts. XII.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 49, doi. 10.1002/jhet.5570350110
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Acylation of a novel quinoxalinyl substituted pyrazole derivative. synthesis, quantum chemistry calculations, and x-ray structure analysis.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 113, doi. 10.1002/jhet.5570350121
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Synthesis of hexaazacryptands containing furan and benzene groups in the bridging arms.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 169, doi. 10.1002/jhet.5570350132
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Fused heterocycles. 8.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 13, doi. 10.1002/jhet.5570350103
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Synthesis of 2,3,8,9-Dibenzo-5,6-(substituted)benzo-1,4-dithio-7-oxacyclonona-2,5,8-trienes and some electrophilic substitution reactions.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 235, doi. 10.1002/jhet.5570350143
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Synthesis of 1 H-thieno[3,4- c]pyrazoles, thieno[3,4- b]furans, selenolo[3,4- b]furans and pyrrolo[3,4- d]thiazoles.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 71, doi. 10.1002/jhet.5570350114
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Facile synthesis of fused purines from 8-aminotheophylline.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 135, doi. 10.1002/jhet.5570350125
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Reactivity of p-phenyl substituted β-enamino compounds using k-10/ultrasound. I. synthesis of pyrazoles and pyrazolinones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 189, doi. 10.1002/jhet.5570350136
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A facile entry to l-aryl-4,5-dihydro[1,4]oxazepino-[5,4- a]isoindole-2,7-diones.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 33, doi. 10.1002/jhet.5570350107
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Synthesis of 3-alkenylisoindolin-1-ones via palladium(0)-catalyzed coupling and cyclization between 2-iodobenzoyl chloride and aldimines.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 265, doi. 10.1002/jhet.5570350147
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1,6-π-Electrocyclization of 3-Vinyl-Functionalized N,N-Dimethyl-2,2′-Bisindolyl: Some analysis of the educt transformation process.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 97, doi. 10.1002/jhet.5570350118
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Synthesis of 5-dialkylaminothiocarbonylthiobarbituric acids and 5-diethyiaminothiocarbonylthio-6-aminouracil.
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- Journal of Heterocyclic Chemistry, 1998, v. 35, n. 1, p. 157, doi. 10.1002/jhet.5570350129
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