Works matching IS 0022152X AND DT 1987 AND VI 24 AND IP 1
Results: 58
Reactions of 2-isocyanatobenzoyl chloride and 2-carbomethoxyphenyl isocyanate with 5-aminotetrazole.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 223, doi. 10.1002/jhet.5570240141
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The synthesis of a pyrido[2,3- c]pyridazine: A cinnoline related to 6-fluoronalidixic acid.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 55, doi. 10.1002/jhet.5570240112
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Application of 1,2,3,5,6,7-hexahydropyrrolizinium perchlorate in the synthesis of 7a-substituted hexahydro-1 h-pyrrolizines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 271, doi. 10.1002/jhet.5570240152
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A new route to 6-azachromones. An improved synthesis of 2-azaxanthone.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 111, doi. 10.1002/jhet.5570240123
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A new synthetic route to 7-halo-1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid, an intermediate for the synthesis of quinolone antibacterial agents.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 181, doi. 10.1002/jhet.5570240134
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Studies on the nef reaction induced by organic bases.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 23, doi. 10.1002/jhet.5570240105
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A heterocyclic analog of leucine-enkephalin.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 239, doi. 10.1002/jhet.5570240145
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Synthesis of some 2,3-benzo-l-oxaoctems.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 75, doi. 10.1002/jhet.5570240116
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Reactions of 1-isopropyl-3-methyl- and 2,3-dimethylindoles with triethyl orthoformate: New trisindolylmethanes.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 289, doi. 10.1002/jhet.5570240156
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Crystal structures of 2,4-dimethylthioxanthene 10,10-dioxide, 2,4,9-trimethylthioxanthene 10,10-dioxide, and 2,4-dimethyl-9-isopropylthioxanthene 10,10-dioxide.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 143, doi. 10.1002/jhet.5570240127
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Novel heterocyclic systems. Part 26.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 211, doi. 10.1002/jhet.5570240138
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1,3-Dipolar cycloaddition synthesis of 3-bromo-5-substituted isoxazoles, useful intermediates for the preparation of pharmacologically active compounds.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 43, doi. 10.1002/jhet.5570240109
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Preparation of 3-azetidinols with non-bulky 1-alkyl substituents.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 255, doi. 10.1002/jhet.5570240149
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Synthetic applications of 2-chloro-3-formylquinoline.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 219, doi. 10.1002/jhet.5570240140
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Correlation of dihedral angles with <sup>13</sup>C chemical shifts of quaternary carbon atoms of some phenothiazine derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 51, doi. 10.1002/jhet.5570240111
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Nonaqueous diazotization of 5-amino-1-aryl-1 H-pyrazole-4-carboxylate esters.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 267, doi. 10.1002/jhet.5570240151
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Synthesis of 4H-3,3a-dihydrothiazolo[4,3- b]quinazolines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 107, doi. 10.1002/jhet.5570240122
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New reactions of deoxyvasicinone. Part 6.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 175, doi. 10.1002/jhet.5570240133
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A practical synthesis of (+)-cocaine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 19, doi. 10.1002/jhet.5570240104
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Chemistry of the phenoxathiins and isosterically related heterocycles. XXXIII.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 235, doi. 10.1002/jhet.5570240144
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Meerwein arylation of methyleneglutaronitrile with anthraquinone diazonium hydrogensulfate. Synthesis of an enolizable benzanthrone lactone.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 69, doi. 10.1002/jhet.5570240115
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Spirolactones of xanthene. III. Formation and molecular structure of novel spirolactones of xanthene and dibenzo[c,h]xanthene.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 283, doi. 10.1002/jhet.5570240155
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On Triazoles. VI.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 127, doi. 10.1002/jhet.5570240126
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Pyrimidines. 8. chlorination of 6-methyluracil with phosphorus oxychloride in the presence of trialkyamines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 205, doi. 10.1002/jhet.5570240137
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Synthesis of phenanthro[9,10- g]isoquinoline.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 39, doi. 10.1002/jhet.5570240108
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On mechanistic aspects of 5-deazaflavin dependent dehydrogenation of alcohol.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 251, doi. 10.1002/jhet.5570240148
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The condensation products of 2,3,6-trisubstituted-1,4-naphthoquinones with 2-aminothiophenol.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 91, doi. 10.1002/jhet.5570240119
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Some chemical transformations of 7a-cyanohexahydro-1 H-pyrrolizine into 7a-substituted hexahydro-1 H-pyrrolizines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 47, doi. 10.1002/jhet.5570240110
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Synthesis of 2,4′-dioxospiro[indoline-3,2′-thiazolidine]-5′-acetic acids: X-ray structure of 1-benzyl-3′-(4-chlorophenyl)-2,4′-dioxospiro- [indoline-3,2′-thiazolidine]-5′-acetic acid.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 261, doi. 10.1002/jhet.5570240150
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Synthesis, spectroscopic studies and the mechanism of formation of 4,5-dihydro-1,2,4-oxadiazoles.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 101, doi. 10.1002/jhet.5570240121
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Reactions of 2-aminobenzenethiols with 4-hydroxycoumarin, maleic anhydride and p-chlorobenzoylacetone: A single step synthesis of heterocycles containing the 1,4-thiazine nucleus.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 171, doi. 10.1002/jhet.5570240132
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Synthesis and reactions of heterocyclic 2,3-epoxypropionitriles with pyrrolidine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 15, doi. 10.1002/jhet.5570240103
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The synthesis of monomethoxynaphtho[1′,2′:4,5]thieno[2,3- c]quinolines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 231, doi. 10.1002/jhet.5570240143
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Access to the 2,3-dihydropyridazin-3-one and as-triazino[3,4- a]phthalazine ring systems from 4-aryl-2-oxo-butanoic acids.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 63, doi. 10.1002/jhet.5570240114
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Synthesis of 10-propargylfolic acid from 2-amino-6-(bromomethyl)-4(1h)-pteridinone.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 279, doi. 10.1002/jhet.5570240154
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Synthesis of some substituted tetrahydropyrimido[4,5- b][1,6]naphthyridines as potential antitumor agents.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 123, doi. 10.1002/jhet.5570240125
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Substituent and solvent effects on tautomeric equilibria of barbituric acid derivatives and isoterically related compounds.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 191, doi. 10.1002/jhet.5570240136
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Synthesis of benzimidazole derivatives as potential H<sub>1</sub>?antihistaminic agents.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 31, doi. 10.1002/jhet.5570240107
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Reactivity of aryl- and heteroarylmalonates against ortho-dinucleophiles. Triaryl(heteroaryl)methane synthesis.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 247, doi. 10.1002/jhet.5570240147
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Nucleophilic displacements in pyridine rings.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 85, doi. 10.1002/jhet.5570240118
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Reductive cyclization of ketoesters utilizing sodium cyanoborohydride: Synthesis of γ- and δ-lactones.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 293, doi. 10.1002/jhet.5570240158
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Research on heterocyclic compounds. XXI. Synthesis of imidazo[2,1- b]benzothiazole and imidazo[2,1- b]thiazole derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 155, doi. 10.1002/jhet.5570240129
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Synthetic approaches to cularines. I. Phenolic oxidative coupling.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 95, doi. 10.1002/jhet.5570240120
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Synthesis and spectral properties of some N-(2-benzimidazoyl)-α-aminoesters and their N-oxides.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 165, doi. 10.1002/jhet.5570240131
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New synthesis of α-nitroalkyl- and α-nitroaralkylcarboxylic esters from α-nitroalkyl- and α-nitroaralkyl-2-oxazolines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 9, doi. 10.1002/jhet.5570240102
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Nitriles in organic synthesis: A novel synthesis of benzo[ h]pyrimidino[1,2- c]-pyridazinone and hydrazonobut-2-enonitrile derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 227, doi. 10.1002/jhet.5570240142
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Nonaqueous diazotization of 4-amino-3-arylisothiazole-5-carboxylate esters.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 243, doi. 10.1002/jhet.5570240146
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Diphenyl cyancarbonimidate and dichlorodiphenoxymethane as synthons for the construction of heterocyclic systems of medicinal interest.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 275, doi. 10.1002/jhet.5570240153
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Cyclisation of benzils.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 117, doi. 10.1002/jhet.5570240124
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3,6-Dialkyl-2-hydroxypyrazine 1-oxides as acyl carriers.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 1, p. 187, doi. 10.1002/jhet.5570240135
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