Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 1
Results: 36
Reduction of the 1,2,5-thiadiazole ring of 3,6:12,15-di-1,4-benzo[6.6](3,4)-1,2,5-thiadiazolo- and 3,5:11,13-di-1,3-benzo-[6.6](3,4)-1,2,5-thiadiazolocyclophanes. Selective preparation of cis- and trans-[2<sup>3</sup>]cyclophane-1,2-diacetoamide.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 55, doi. 10.1002/jhet.5570280110
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Some fatty acids having an O-heterocycle in their terminal positions. I. ω-(3-Chromonyl)alkanoic acids.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 119, doi. 10.1002/jhet.5570280121
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Chemistry of condensed thiophenes. V. Sulfonation and sulfonyl bridging of m-terphenyl. Conversion to sulfonamides.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 187, doi. 10.1002/jhet.5570280132
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The synthesis of substituted 2,3-dihydrothieno[2,3- b]-thiophenes via intramolecular michael addition.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 13, doi. 10.1002/jhet.5570280103
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Synthese de pyrrolo[1,2- a]quinoleines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 77, doi. 10.1002/jhet.5570280114
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Preparation of 9-aryl (or heteroaryl)methylidene-10-(methoxyimino)-phenanthrenes and their thermal electrocyclisation to fused quinolines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 139, doi. 10.1002/jhet.5570280125
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The synthesis of two novel fused thienopyridopyridazines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 205, doi. 10.1002/jhet.5570280136
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Reactions with hydrazidoyl halides. IV.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 41, doi. 10.1002/jhet.5570280107
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4,5,6,7-Tetrahydro-1 H-imidazo[4,5- c]pyridine-6-carboxylic acids (spinacines).
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 97, doi. 10.1002/jhet.5570280118
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Acetylenchemie. 18. Mitt.: Molekülvariationen am rutaceenalkaloid dictamnin via Pd/Cu katalysierte alkin-kupplung.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 167, doi. 10.1002/jhet.5570280129
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Thermal decomposition of 3,3,5-trisubstituted-4,4-dimethyl-4,5-dihydro-5-hydroperoxy-3 H-pyrazoles: Route to β,γ-unsaturated ketones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 113, doi. 10.1002/jhet.5570280120
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Synthesis and reaction of 2-imino-1,3-thiazetidines and 2-imino-1,3-dithietanes.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 177, doi. 10.1002/jhet.5570280131
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Diporphyrinyl derivatives of 1,10-phenanthroline and 2,2′-bipyridyl.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 7, doi. 10.1002/jhet.5570280102
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Synthèses de 1,2,4-triazolo[4,3- d][1,4]diazépines et de 1,2,4-oxadiazolo[4,5- d][1,4]diazépines par cycloaddition dipolaire-1,3.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 73, doi. 10.1002/jhet.5570280113
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Nouveaux hétérocycles à partir d'esters cyaniques. Arylimino-2 et arylamino-2 4 H-benzoxazin-1,3 ones-4, leur tautomérie et étude de leur alkylation régiosélective.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 133, doi. 10.1002/jhet.5570280124
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The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 3.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 203, doi. 10.1002/jhet.5570280135
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Synthesis of 3-substituted 2-hydroxybenz[ f]indolequinones and benz[ f]isatinquinone - A new π-acceptor system.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 33, doi. 10.1002/jhet.5570280106
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Synthesis and stereochemistry of the (9 S,13 S,14 S)-3-hydroxy-17-methylmorphinan-10-ols.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 93, doi. 10.1002/jhet.5570280117
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Synthesis of 3-cyano-2-methylpyridines substituted with heteroaromatics.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 161, doi. 10.1002/jhet.5570280128
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A facile synthesis of benzo[ b]thiophene derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 173, doi. 10.1002/jhet.5570280130
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Synthesis of 8-amino-4-methylthio-6-methyl-2-(β-D-ribofuranosyl)-2,6-dihydro-1,2,3,5,6,7-hexaazaacenaphthylene and an unusual reductive ring-opening of the 1,2,3,5,6,7-hexaazaacenaphthylene ring system.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 1, doi. 10.1002/jhet.5570280101
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Synthesis of 1-functionalized-6-hydroxy-4-methyl and 6,11-dihydroxy-4-methylnaphtho[2,3- g]isoquinoline-5,12-quinones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 65, doi. 10.1002/jhet.5570280112
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Some fatty acids having O-heterocycles in their terminal positions. III. ω-(2-Benzofuranyl)alkanoic acids.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 129, doi. 10.1002/jhet.5570280123
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A convenient synthesis of 1,4-dihydro-4-oxopyridazino[3,4-b]quinoxalines by a ring transformation of 1,2-diazepino[3,4- b]quinoxalines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 199, doi. 10.1002/jhet.5570280134
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Synthesis of phenanthro[2,3- h]isoquinoline and phenanthro[3,2- h]isoquinoline.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 29, doi. 10.1002/jhet.5570280105
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New evidence on the formation of 3-acylindoles by reaction of N-phenylnitrones with α,β-acetylenic sulfones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 89, doi. 10.1002/jhet.5570280116
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Nouvelle méthode d'accès aux benzo[ h]furo[3,2- c]quinoléines, analogues isostériques des benzo[ c]phénanthridines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 153, doi. 10.1002/jhet.5570280127
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Caractérisation de nouveaux dérivés et analogues de la nétropsine et identification de leurs intermédiaires de synthèse par spectrométrie de masse FAB.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 145, doi. 10.1002/jhet.5570280126
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Acid-catalyzed reactions of 1- and 3-(α-hydroxybenzyl)indolizines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 45, doi. 10.1002/jhet.5570280108
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A study on m-chloroperbenzoic acid and lead tetraacetate oxidation of some 1-aroyl-4,5-dihydro-4,4-dimethyl-5-methylene-1 H-pyrazoles.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 49, doi. 10.1002/jhet.5570280109
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Novel 7-substituted quinolone antibacterial agents. Synthesis of 7-alkenyl, cycloalkenyl, and 1,2,3,6-tetrahydro-4-pyridinyl-1,8-naphthyridines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 191, doi. 10.1002/jhet.5570280133
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5-Heteroaryl-2-thiophenecarboxylic acids: Oxazoles and oxadiazoles.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 17, doi. 10.1002/jhet.5570280104
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Cyclisations intramoléculaires: Accés aux 9-oxo-4 H,9 H-pyrrolo[1,2- a]thieno[2,3- d]pyridine et 4-oxo-4 H,9 H-pyrrolo[1,2- a]thieno[2,3- d]pyridine. Synthèse des pyrrolo[1,2- a]thieno[3,2- e][1,4]diazepine et pyrrolo[1,2- a]thieno[2,3- e][1,4]diazepine
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 81, doi. 10.1002/jhet.5570280115
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Chemistry of thienopyridines. XXXIX. Synthesis of benzothieno[2,3- h]isoquinoline and related studies.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 61, doi. 10.1002/jhet.5570280111
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Some fatty acids having an O-heterocycle in their terminal positions. II. ω-(3-Coumarinyl)alkanoic acids and ω-(2-chromonyl)alkanoic acids.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 125, doi. 10.1002/jhet.5570280122
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Synthesis and identification of new thieno[3,2- b].
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 1, p. 109, doi. 10.1002/jhet.5570280119
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