Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 2
Results: 65
The preparation of some tetradecyl-substituted benzocarbazoles and benzacridines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 321, doi. 10.1002/jhet.5570280220
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Polycyclic N-hetero compounds. XXXVII. A convenient synthesis and evaluation of anti-platelet aggregation activity of 1,2,4,5-tetrahydro[1]- benzothiepino[4,5- e]imidazo[1,2- c]pyrimidine and its related compounds.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 513, doi. 10.1002/jhet.5570280260
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Directed regiospecificity of 1,3-dipolar cycloaddition of 2-diazopropane to 4- and 5-substituted pyridazin-3(2 H)-ones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 369, doi. 10.1002/jhet.5570280231
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Synthesis of the piperidinone metabolites of piperidine type phenothiazine antipsychotic drugs via ruthenium tetroxide oxidation.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 215, doi. 10.1002/jhet.5570280202
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1,3-Dipolar cycloaddition reactions of nitrile oxides and nitrile imines with 2-methoxyvinyl phenyl ketone.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 429, doi. 10.1002/jhet.5570280242
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Metallation of diazines. III. New synthesis of analogues of trimethoprim and of bacimethrin.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 283, doi. 10.1002/jhet.5570280213
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Intermolecular 1,3-dipolar cycloaddition of benzonitrile oxide to 2 H-1,3-benzothiazines and hexahydro-4 H-1,3-benzothiazine.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 481, doi. 10.1002/jhet.5570280253
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Acid-catalysed rearrangement of 1-oximinoacridine-1,9-diones. synthesis of novel 4,5-dihydro-3 H-isoxazolo[3,4,5- kl]acridines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 337, doi. 10.1002/jhet.5570280224
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Regio- and stereochemistry of the photo-ring contraction of 4-pyrones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 537, doi. 10.1002/jhet.5570280264
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Carbon-13 nuclear magnetic resonance spectra of 1,2,3,4-tetrahydroquinazoline and some 3-benzyl derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 391, doi. 10.1002/jhet.5570280235
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Synthesis and biological evaluation of 5-(1-alkoxy-2-haloethyl)-2′-deoxyuridines and related uracil analogues.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 237, doi. 10.1002/jhet.5570280206
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Study of the transformation products of the oxime of 2,7-dioxo-3-methyl-5-phenyl-2,3,5,6-tetrahydrocyclopenta[ f]benzoxazole.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 449, doi. 10.1002/jhet.5570280246
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Synthesis and properties of furo[4,3,2- de][1]benzopyran.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 305, doi. 10.1002/jhet.5570280217
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Nitrogen Bridgehead Compounds. Part 79.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 497, doi. 10.1002/jhet.5570280257
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Saturated heterocycles. 176.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 353, doi. 10.1002/jhet.5570280228
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Synthesis and characterization of alkyl-, alkenyl-, acyl- and nitrogen-substituted derivatives of the potent phototoxin α-terthiophene.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 411, doi. 10.1002/jhet.5570280239
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Heterocyclic variants of the 1,5-benzodiazepine system. VI. Derivatives of 2-methylthio-4-( p-r-phenyl)-3 H-1,5-benzodiazepines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 365, doi. 10.1002/jhet.5570280230
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Synthesis and <sup>1</sup>H NMR characterization of substituted 1-amino-9-imino-4-nitro-9,10-dihydr oacridines as potential antitumor agents.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 209, doi. 10.1002/jhet.5570280201
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1,3-Dipolar cycloadditions of diazoalkanes to pyridazine derivatives. Thermal 1,5-sigmatropic rearrangement of methyl groups in 3,3-dimethyl-3 H-pyrazolo[3,4- d]pyridazine derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 425, doi. 10.1002/jhet.5570280241
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Synthesis and hydrolysis of substituted tetrahydropyrimidinium salts. Behaviour of the degradation products on varying pH.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 273, doi. 10.1002/jhet.5570280212
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Synthesis of a phenylazo-derivative of a 1,2,3-thiadiazolium methylide. C-13/N-15 NMR characterization and crystal structure analysis.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 477, doi. 10.1002/jhet.5570280252
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Cycloaddition-elimination reactions of 4-methyl-5-phenylimino-Δ<sup>2</sup>-1,2,3,4-thiatriazoline with electrophilic nitriles.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 333, doi. 10.1002/jhet.5570280223
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An anomalous reaction of 7-chloro-2-hydrazono-5-phenyl-1,2-dihydro-3 H-1,4-benzodiazepine with sodium acetate and 1,1′-carbonyldiimidazole.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 533, doi. 10.1002/jhet.5570280263
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Synthesis of novel acyclonucleosides. Reactions of 1-(2-oxopropyl)pyridazin-6-ones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 385, doi. 10.1002/jhet.5570280234
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Novel pyrimidine and pyrimido[1,2- a]pyrimidine derivatives. By-products of a guanidine based thymine synthesis.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 231, doi. 10.1002/jhet.5570280205
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The synthesis of some benzo[ d,d']diisothiazoles.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 445, doi. 10.1002/jhet.5570280245
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An improved procedure for the preparation of 1-benzyl-1 H-1,2,3-triazoles from benzyl azides.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 301, doi. 10.1002/jhet.5570280216
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Studies of pyridazine compounds. XXVI.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 493, doi. 10.1002/jhet.5570280256
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Nitration of dithieno[3,4- b:3′,2′- d]pyridine and dithieno[2,3- b:3′,2′- d]pyridine.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 351, doi. 10.1002/jhet.5570280227
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Cycloaddition-elimination reactions of 4-methyl-5-(substituted)-imino-Δ<sup>2</sup>-1,2,3,4-thiatriazolines with isocyanates.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 405, doi. 10.1002/jhet.5570280238
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Polycyclic N-hetero compounds. XXXVI. Syntheses and antidepressive evaluation of 11,13,15,17-tetraazasteroids and their 17-oxides.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 257, doi. 10.1002/jhet.5570280209
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Potential DNA bis-intercalating agents. Bridged bis-(6-chloropurines) and related compounds.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 465, doi. 10.1002/jhet.5570280249
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1,3-Dipolar cycle-addition of 2-diazoalkanes to pyridazin-3(2 H)-one derivatives. The formation of 3 H-pyrazolo[3,4- d]pyridazin-4(5 H)-one and 3 H-pyrazolo[3,4- d]pyridazin-7(6 H)-one derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 417, doi. 10.1002/jhet.5570280240
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Polycyclic N-hetero compounds. XXXVIII. Synthesis and evaluation of antidepressive activity of [1]benzothieno[2′,3′:4,5]furo[3,2- d]primidines and their precursors.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 269, doi. 10.1002/jhet.5570280211
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The syntheses of 4b,5a-dihydrodibenz[3,4:5,6]anthra[1,2- b]oxirene and 4b,5a-dihydro-5 H-dibenz[3,4:5,6]anthra[1,2- b]azirine.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 473, doi. 10.1002/jhet.5570280251
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Asymmetric reduction of 7,8-difluoro-3-methyl-2 H-1,4-benzoxazine. Synthesis of a key intermediate of ( S)-(-)-ofloxacin (DR-3355).
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 329, doi. 10.1002/jhet.5570280222
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Synthesis of various 5-substituted 2′-deoxy-3′-5′-di- O-acetyluridines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 529, doi. 10.1002/jhet.5570280262
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Synthesis of new benzofuro and indolobenzoazepin-6-ones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 379, doi. 10.1002/jhet.5570280233
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Synthesis of 2,5-diethyl-3,4-bis(trifluoromethyl)furan and its derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 225, doi. 10.1002/jhet.5570280204
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Synthesis of a proposed isomer of F<sub>420</sub> having α-glutamyl bonding.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 439, doi. 10.1002/jhet.5570280244
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Ladder oligophenothiazines by direct thionation of N-Arylanilino Derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 295, doi. 10.1002/jhet.5570280215
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Syntheses and reactions of [1,3,4]thiadiazolo[3,2- a]pyrimidinone derivatives.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 489, doi. 10.1002/jhet.5570280255
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The synthesis of two benzo[ c:d′]diisothiazoles.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 347, doi. 10.1002/jhet.5570280226
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Synthesis of new imidazole derivatives as potential inhibitors of thromboxane synthetase. II.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 401, doi. 10.1002/jhet.5570280237
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Electron ionization mass spectra of some 4β-phenyl-substituted cycloalkane- cis-fused 1,3-oxazin-2(3 H)-ones, -2(3 H)-thiones and 1,4-oxazepin-3(4 H)-ones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 253, doi. 10.1002/jhet.5570280208
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Substitutions homolytiques intramoléculaires. 17. Décomposition de peroxydes de ϵ-alcényle et de t-butyle. Accès à des tétrahydropyranes substitués.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 459, doi. 10.1002/jhet.5570280248
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Nouvelle synthèse des composés polysubstitués d'esters de l'acide pyrrolecarboxylique-3 par réarrangement d'époxy-1,2 pyrrolidines.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 317, doi. 10.1002/jhet.5570280219
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Palladium-catalyzed conjugate addition type reaction of 5-iodopyrimidines with α,β-unsaturated ketones.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 509, doi. 10.1002/jhet.5570280259
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Polycyclic N-hetero compounds. XXXIV. Syntheses and evaluation of antidepressive activity of benzofuro-[2,3- e]imidazo[1,2- c]pyrimidines and their precursors.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 263, doi. 10.1002/jhet.5570280210
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Preparation of N,N′-di pivot lariat 1,4-diaza-15-crown-5 and 18-crown-6 macrocycles.
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- Journal of Heterocyclic Chemistry, 1991, v. 28, n. 2, p. 469, doi. 10.1002/jhet.5570280250
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