Works matching IS 0022152X AND DT 1987 AND VI 24 AND IP 4
Results: 60
Synthesis of antimicrobial agents. II. Syntheses and antibacterial activities of optically active 7-(3-hydroxypyrrolidin-1-yl)quinolones.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1025, doi. 10.1002/jhet.5570240423
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The synthesis of halogenated pyridines substituted at the carbon atom C-3.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1093, doi. 10.1002/jhet.5570240434
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A convenient and one-pot synthesis of 9-substituted carbazoles from primary amine hydrochlorides and 2,5-dimethoxytetrahydrofuran.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 913, doi. 10.1002/jhet.5570240405
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Synthesis and reactions of pyrrolo[1,2- a][3,1,6]benzothiadiazocines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1157, doi. 10.1002/jhet.5570240445
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Syntheses of 1-, 2-, 3- and 4-acridinecarbaldehydes.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 977, doi. 10.1002/jhet.5570240416
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The synthesis of 5- and 6-acyl-2(1 H)-pyrimidinones.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1221, doi. 10.1002/jhet.5570240456
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Nitrogen bridgehead compounds. Part 72.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1045, doi. 10.1002/jhet.5570240427
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[2 + 2] Cycloaddition reactions of unsymmetrically substituted carbodiimides.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1121, doi. 10.1002/jhet.5570240438
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Methylation of 3-methyl- and 3-phenyl-4-arylhydrazonoisoxazol-5-ones with diazomethane.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 933, doi. 10.1002/jhet.5570240409
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- Article
Selenium dioxide oxidation of tetrahydro-β-carboline derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1183, doi. 10.1002/jhet.5570240449
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Synthesis of the new pyrido[1,2- c]benzo- v-triazinium system via valence bond isomerization.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1133, doi. 10.1002/jhet.5570240440
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Synthesis of N-(chloromethyl)-2,6-diethylcarbaniloyl chloride ( 1) and derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 945, doi. 10.1002/jhet.5570240411
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Heterocyclic systems. VII.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1199, doi. 10.1002/jhet.5570240451
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A comparison of nucleophilic reactions of 3-benzenesulfonyloxyalloxazine and its 1-methyl analog.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1013, doi. 10.1002/jhet.5570240422
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Proton-ionizable crown compounds. 13. Synthesis and structural studies of crown compounds containing the triazole subcyclic unit and lipophilic substituents.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1085, doi. 10.1002/jhet.5570240433
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Synthèse, à partir du (+) - camphre, d'hétérocycles dérives des tétrahydroxanthone, tétrahydroacridone, tétrahydroacridine et octahydroacridine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 907, doi. 10.1002/jhet.5570240404
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Intramolecular cyclization of ethyl ω-(5-amino-4-aminocarbonylimidazol-1-yl)carboxylates.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1155, doi. 10.1002/jhet.5570240444
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Synthesis of 2 H-indazole-4,7-dione derivatives from 3-phenylsydnone and p-toluquinone. The crystal and molecular structure of 6-bromo-5-methyl-2-phenyl-2 H-indazole-4,7-dione.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 971, doi. 10.1002/jhet.5570240415
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A convenient synthesis of novel pyridazino[3,4-b]quinoxalines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1219, doi. 10.1002/jhet.5570240455
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Pyrrolocoumarin derivatives as potential photoreagents toward DNA.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1041, doi. 10.1002/jhet.5570240426
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Mass spectral fragmentation patterns of 2-methyl-, 2,3-methyl-, 2,3-dimethyl-, 2-aryl- and 3-phenylindole derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1117, doi. 10.1002/jhet.5570240437
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Synthesis of phosphacoumarins and phosphonocoumarins. Two new classes of fluorescent dyes.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 931, doi. 10.1002/jhet.5570240408
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Synthesis of heterocycles. Part VII.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1173, doi. 10.1002/jhet.5570240448
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'One pot' synthesis of 2,9-disubstituted 8-azaadenines (3,5-disubstituted 7-amino-3 H-1,2,3-triazolo[4,5- d]pyrimidines).
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 997, doi. 10.1002/jhet.5570240419
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Thermal ring transformation of 5-aryl-2-carbazoyl-1,2,3,4-tetrazole derivatives.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1233, doi. 10.1002/jhet.5570240459
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Improved syntheses of 6-hydroxy-5-methoxy- and 5-hydroxy-6-methoxyindoles and their O-acetates, analogs of natural eumelanin precursors.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 941, doi. 10.1002/jhet.5570240410
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Chemistry of amino acid thionoester derivatives. An unexpected change in the reaction course between heterocyclic-2-carboxylic acid hydrazides and N-substituted thionoglycinates. Preferential formation of 4-amino-1,2,4-triazole adducts over 1,3,4-oxadiazole products
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1189, doi. 10.1002/jhet.5570240450
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Synthesis of [1]benzothienonaphthyridines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1009, doi. 10.1002/jhet.5570240421
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Proton-ionizable crown compounds. 10. Preparation and structural studies of macrocyclic ligands containing two sulfonamide units and with seventeen to twenty-six ring members.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1077, doi. 10.1002/jhet.5570240432
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The demethylation chemistry of 3-substituted 2-methoxypyridines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 901, doi. 10.1002/jhet.5570240403
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On triazoles. VIII.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1149, doi. 10.1002/jhet.5570240443
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Synthesis of aminomethyl and amino analogs of 5-benzylacyclouridine and 5-benzyloxybenzylacyclouridine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 989, doi. 10.1002/jhet.5570240418
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Benzofuran derivatives. Part 3.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 965, doi. 10.1002/jhet.5570240414
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Isolement de nouveaux complexes de zinc de dipyrrométhènes formés au cours de la synthèse de la méso-tétramésitylporphyrine par la réaction de Rothemund.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1037, doi. 10.1002/jhet.5570240425
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Synthesis of 3-alkyl-6-phenyl-4(3 H)-pteridinones and their 8-oxides. Potential substrates of xanthine oxidase.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1109, doi. 10.1002/jhet.5570240436
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On triazoles. VII.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 927, doi. 10.1002/jhet.5570240407
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Synthesis of some new 4-imino-3,5,7-trisubstituted-pyrido[2,3- d]pyrimidine-2(1 H)-thiones.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1169, doi. 10.1002/jhet.5570240447
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Further study on 1,3-dialkylaminouracil with dimethyl acetylenedicarboxylate.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1215, doi. 10.1002/jhet.5570240454
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- Article
A new method for the synthesis of novel 6-quinoxalinylpyrazolo[5,1-c][1,2,4]triazines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1229, doi. 10.1002/jhet.5570240458
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A new synthesis of aryl hetaryl ketones via S<sub> RN</sub>1 reactions of halogenated heterocycles with potassiophenylacetonitrile followed by phase-transfer catalyzed decyanation.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1061, doi. 10.1002/jhet.5570240429
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Synthesis of nitro and amino N-heterocycles via ring transformation of 2-methyl-3-nitrochromone.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1003, doi. 10.1002/jhet.5570240420
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Asymmetric synthesis via heterocyclic intermediates. I. Synthesis of 3,4-dihydro-11a-( S)-methyl-4-( R)-phenyl-1,4-oxazino[4,3- b]isoquinolin-1(6 H,11 H)-one.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1235, doi. 10.1002/jhet.5570240460
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Flash vacuum pyrolysis of 3- t-butylindeno[1,2- c]isoxazol-4-one. Formation of 2-carbonyl-1,3-indandione 2-azine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1073, doi. 10.1002/jhet.5570240431
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Electron impact mass spectrometry of polyannulated oxygen heterocycles with cyclic orthoester or acetal moieties.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 895, doi. 10.1002/jhet.5570240402
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Heterocycles. Part XII. Synthesis of new benzo[6,7]cyclohepta[1,2- d]pyrimidine.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1141, doi. 10.1002/jhet.5570240442
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Synthesis of 2-(β-D-ribofuranosyl)pyrimidines, A new class of C-nucleosides.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 955, doi. 10.1002/jhet.5570240413
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Tandem arylation-reduction of acyl heterocycles. Convenient synthesis of benzyl heterocycles.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1205, doi. 10.1002/jhet.5570240453
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Mass spectral fragmentation pattern of 4-carboxy-and 4-methoxycarbonyl-5-methyl(or phenyl)-2-aryl-2 H-1,2,3-triazoles.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1029, doi. 10.1002/jhet.5570240424
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The synthesis of monomethoxy[1]benzothieno[2,3- c]quinolines.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1103, doi. 10.1002/jhet.5570240435
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Synthesis and structure of dithioester stabilised pyridinium ylides.
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- Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 917, doi. 10.1002/jhet.5570240406
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