Works matching IS 0022152X AND DT 1988 AND VI 25 AND IP 1
Results: 60
On the oxidizability of 1-methyl-1,2,3,4-tetrahydropyrimido[1,2- a]indole-10-carboxaldehyde and its crystal structure.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 29, doi. 10.1002/jhet.5570250104
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The reduction of 6-methoxy-9-methyl-11-oxoechiboline using lithium aluminium hydride.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 271, doi. 10.1002/jhet.5570250144
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Synthesis of 4 H-pyrazolo- and 4 H-pyrrolophenothiazin-4-one derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 109, doi. 10.1002/jhet.5570250115
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Acid-catalyzed reactions of 3-(α-hydroxybenzyl)pyrazolo[1,5- a]pyridines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 327, doi. 10.1002/jhet.5570250155
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Crystal structure and reactivity of 2-chloro-3,5-dinitrothiophene and of 2-phenylsulphonyl-3,5-dinitrothiophene with nucleophiles.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 177, doi. 10.1002/jhet.5570250126
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Synthesis of 4-acyl-and 235 4-alkenyl-3,5-dimethylisothiazole derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 235, doi. 10.1002/jhet.5570250137
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Studies on pyrrolidinones. Synthesis of N-acylpyroglutamic esters with bactericide and fungicide properties.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 49, doi. 10.1002/jhet.5570250108
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The synthesis of 1-[(2-thiazolyl)methyl]quinolones. The reactivity of the methylene bridge at position-1 and its involvement in the formation of a stable carbon-nitrogen ylid.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 289, doi. 10.1002/jhet.5570250148
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Preparation of 2-aryl and 2-aryloxymethyl imidazo[1,2- a]pyridines and related compounds.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 129, doi. 10.1002/jhet.5570250119
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Porphyrin system containing [2.2]paracyclophane units.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 349, doi. 10.1002/jhet.5570250159
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Azabicyclo chemistry. 7. Ultra-high field (600 MHz) NMR spectroscopy in solving conformational problems: cis-Octahydroindoles.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 65, doi. 10.1002/jhet.5570250110
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A facile synthesis of 1-alkylthio and acylthio-2,3-dihydro-1 H-naphtho[2,1- b]thiopyrans and 4-alkylthio and acylthio-3,4-dihydro-2 H-naphtho[1,2- b]thiopyrans.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 301, doi. 10.1002/jhet.5570250150
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Synthesis, characterization and electron impact mass spectrometry of Schiff bases rearranging to oxazoline, thiazoline and thiazole derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 145, doi. 10.1002/jhet.5570250121
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Electron impact mass spectrometry of some 2-( p-bromophenyl)-4,4-disubstituted-5(4 H)-oxazolones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 209, doi. 10.1002/jhet.5570250132
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Synthesis of 2,2′-dithiobis- and 2,2′-trithiobis-3-pyridinecarboxylic acid derivatives as new potential radiosensitizers/radioprotectors.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 23, doi. 10.1002/jhet.5570250103
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Synthesis and anticonvulsant activity of some novel 3-aminoquinazolines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 265, doi. 10.1002/jhet.5570250143
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Synthesis of certain 3,5,7-disubstituted pyrazolo[3,4- e][1,3]oxazines. Derivatives of a new heterocyclic ring system.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 97, doi. 10.1002/jhet.5570250114
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Preparation and stereochemistry of methyl 3-(and 4)- p-chlorothiophenoxy-1-methylpiperidine-4-(and 3)-carboxylates, and cyclization to benzothiopyranopyridinones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 321, doi. 10.1002/jhet.5570250154
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On Triazoles. XIII.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 173, doi. 10.1002/jhet.5570250125
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Synthesis of 4,7-dihydro-4-oxoisoxazolo[5,4- b]pyridine-5-carboxylic acid derivatives as potential antimicrobial agents.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 231, doi. 10.1002/jhet.5570250136
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A 6-bromocoumarin analog of chloramphenicol.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 45, doi. 10.1002/jhet.5570250107
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Synthesis and reactions of halo-, nitro-, and arylazo-substituted 3-aminotropolones. Formation of 8 H-cyclohept[ d]oxazol-8-one derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 285, doi. 10.1002/jhet.5570250147
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A hantzsch 1,4-dihydropyridine synthesis producing an unusual by-product.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 125, doi. 10.1002/jhet.5570250118
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Flavonoids. 41.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 343, doi. 10.1002/jhet.5570250158
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Synthesis and structure determination of N-(alkoxycarbonylsulfenyl)- s-triazine herbicides.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 193, doi. 10.1002/jhet.5570250129
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Selective instability of trifluoromethyl linked to carbon. A prerequisite for new heterocyclizations with ethyl 4,4,4-trifluoroacetoacetate arylhydrazones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 139, doi. 10.1002/jhet.5570250120
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Rotenone NMR assignments.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 351, doi. 10.1002/jhet.5570250160
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A one-step preparation of pyrido[3,4- d]pyrimidine ring system by reaction of 5-formyl-1,3,6-trimethyl-pyrimidine-2,4(1 H,3 H)-dione with primary amines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 205, doi. 10.1002/jhet.5570250131
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Reactions of acetoacetanilides - a century of.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 9, doi. 10.1002/jhet.5570250102
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The regioselectivity in the reactions of N-aryl- C-ethoxycarbonylnitrilimines with acrylic acid derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 257, doi. 10.1002/jhet.5570250142
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Bioactive heterocyclic analogs of the antitumor drug, podophyllotoxin.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 89, doi. 10.1002/jhet.5570250113
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The mechanism of the chapman rearrangement of N-arylbenzimidate on the basis of the molecular structure established by X-ray. Part II.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 315, doi. 10.1002/jhet.5570250153
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The <sup>13</sup>C NMR of monochlorocarbazoles, monochlorotetrahydrocarbazoles and their 9-methyl derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 167, doi. 10.1002/jhet.5570250124
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Synthesis and spectroscopic properties of N-azolylpropanamides.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 225, doi. 10.1002/jhet.5570250135
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Furan derivatives. Part 9.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 39, doi. 10.1002/jhet.5570250106
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Synthesis, reactions and biological evaluation of some 1,2,4-triazine derivatives.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 279, doi. 10.1002/jhet.5570250146
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Pyridazines. XXXV.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 119, doi. 10.1002/jhet.5570250117
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Synthesis of new isoxazole aminoalcohols.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 337, doi. 10.1002/jhet.5570250157
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Synthesis of 2-nitro-L-tryptophan.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 191, doi. 10.1002/jhet.5570250128
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New synthesis of pyrido[2,3- d]pyrimidines. III. Nucleophilic substitution on 4-amino-2-halo and 2-amino-4-halo-5,6-dihydropyrido[2,3- d]pyrimidin-7(8 H)-ones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 245, doi. 10.1002/jhet.5570250139
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A short and efficient synthesis of 4a-substituted cis-hexahydro-1,2,3,4,4a,9a-carbazol-4-ones.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 201, doi. 10.1002/jhet.5570250130
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Synthetically attractive indolization processes and newer methods for the preparation of selectively substituted indoles.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 1, doi. 10.1002/jhet.5570250101
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Chemotherapeutical agents. VII. Synthesis and pesticidal activities of sulphides and sulphones derived from bis[4-aryl-1,2,4-triazoline-5-thione-3-yl]alkane and 5-phenyl-1,3,4-oxadiazole-2-thione.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 253, doi. 10.1002/jhet.5570250141
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Directed lithiation of 4-halopyridines: Chemoselectivity, regioselectivity and application to synthesis.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 81, doi. 10.1002/jhet.5570250112
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Studies on the synthesis of heterocyclic compounds. XVI. Cleavage of 1,3-benzodioxoles and -benzoxathioles by sodium iodide-acyl chloride.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 311, doi. 10.1002/jhet.5570250152
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Syntheses of apogalanthamine analogs as α-adrenergic blocking agents. IX.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 161, doi. 10.1002/jhet.5570250123
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Mass spectral fragmentation patterns of 2,3-diphenylindole derivatives and dibenzo[ ac]carbazoles.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 221, doi. 10.1002/jhet.5570250134
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A conformational analysis of the six isomers of bipyridinium dication.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 33, doi. 10.1002/jhet.5570250105
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Hydroxyiminoisoquinolin-3(2 H)-ones. 9.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 273, doi. 10.1002/jhet.5570250145
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Angular heterocycles. A convenient synthesis of azabenzophenothiazines.
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- Journal of Heterocyclic Chemistry, 1988, v. 25, n. 1, p. 113, doi. 10.1002/jhet.5570250116
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