Works matching IS 0022152X AND DT 1983 AND VI 20 AND IP 4
Results: 58
2-Acyloxypyrazines. Convenient acylating agents for amines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 951, doi. 10.1002/jhet.5570200420
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Reactions of some 5-substituted imidazo[2,1- b]-1,3,4-thiadiazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1003, doi. 10.1002/jhet.5570200431
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Reaction of substituted sulfenes with N,N-disubstituted α-amino-methyleneketones. I. Synthesis of N,N-disubstituted cis- and trans-4-amino-3,4,5,6,7,8-hexahydro-3-phenyl-1,2-benzoxathiin 2,2-dioxides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 839, doi. 10.1002/jhet.5570200402
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Synthesis of some substituted pyrido[1,2- a]pyrimidin-4-ones and 1,8-naphthyridines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1053, doi. 10.1002/jhet.5570200442
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Pyrrolo[1,2- a]thiéno[2,3- e]pyrazine. Etude chimique de la dihydro-4,5 oxo-5 pyrrolo[1,2- a]thiéno[2,3- e]pyrazine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 913, doi. 10.1002/jhet.5570200413
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The synthesis and characterisation of some 2,7-diazaphenanthrene derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1107, doi. 10.1002/jhet.5570200453
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Preparation of hexa-, penta- and tetraphenyl-2,6- and -2,7-naphthyridines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 971, doi. 10.1002/jhet.5570200424
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The chemistry of polycyclic arene imines. II. Photochemistry of phenanthrene 9,10-imine and of its N-butyl derivative.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1019, doi. 10.1002/jhet.5570200435
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Synthesis of (dihydrobenzoxathiinyloxy)acetic acids.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 867, doi. 10.1002/jhet.5570200406
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Potential cerebral perfusion agents. Synthesis and evaluation of new radioiodinated barbituric acid analogs.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1081, doi. 10.1002/jhet.5570200446
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Herstellung und reaktivität von alkoxy-1-azafulvenen.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 935, doi. 10.1002/jhet.5570200417
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Application of polymer-bound thiazolium salts to the synthesis of acyloins and benzoins: Effects of solvent and substituents of the thiazolium nucleus.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1119, doi. 10.1002/jhet.5570200457
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Synthesis and spectral properties of the 1-aryl-2-phenyl-4-oxo-4,5,6,7-tetrahydroindole oximes and of their beckmann rearrangement products.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 989, doi. 10.1002/jhet.5570200428
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Hydrazine-hydrazone tautomerism in phenylhydrazinopyrimidones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1037, doi. 10.1002/jhet.5570200439
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Synthesis of some 1-hydroxy derivatives of 4- and 6-azaindole analogues.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 999, doi. 10.1002/jhet.5570200430
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Reissert compounds and their open-chain analogs in organic synthesis.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 823, doi. 10.1002/jhet.5570200401
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Unequivocal synthesis of 2,3,6-triazaphenothiazine and two new tetraazaphenothiazine heterocycles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1047, doi. 10.1002/jhet.5570200441
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Bimanes. 19. Characteristics of the molecular structures of 1,5-diazabicyclo[3.3.0]octadienediones (9,10-dioxabimanes) determined by x-ray crystallography.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 903, doi. 10.1002/jhet.5570200412
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Reactions of 4-cyano- and 4-methylimidazoles with isocyanates.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1103, doi. 10.1002/jhet.5570200452
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Synthèses d'hétérocycles indoliques à partir de dérivés carbonylés de l'indole et du pyrrole.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 967, doi. 10.1002/jhet.5570200423
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Etude de la réaction de l'acétylacétone avec les diamines hétéroaromatiques.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1015, doi. 10.1002/jhet.5570200434
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The synthesis of benzo[ b]phenanthro[ d]thiophenes and anthra[ b]benzo[ d]thiophenes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 861, doi. 10.1002/jhet.5570200405
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Effect of metal ions in organic synthesis. Part XIV. A mild, simple, and convenient method for the synthesis of 1-(arylamino)pyrrole derivatives by copper(II) ion-catalyzed reaction of (arylazo)alkenes and 1,3-dicarbonyl compounds.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1077, doi. 10.1002/jhet.5570200445
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Heterocyclic rearrangements. Phenylhydrazones and N-methyl- N-phenylhydrazones of 3-acylisoxazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 931, doi. 10.1002/jhet.5570200416
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Synthesis of 6-methoxy-2,2-dimethyl-2 H-1-benzothiopyran and 6,7-dimethoxy-2,2-dimethyl-2 H-1-benzothiopyran, sulfur analogues of precocene I and precocene II.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1115, doi. 10.1002/jhet.5570200456
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Reaction of 3-hetero-substituted 2-phenyl-4-thioxo-3,4-dihydro-quinazolines with acyl chlorides and phenacyl bromides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 983, doi. 10.1002/jhet.5570200427
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Synthesis and characterization of 5 H-1,3-dioxolo[4,5- f]indoleethylamines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1031, doi. 10.1002/jhet.5570200438
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Benzomorphan related compounds. XVII.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 887, doi. 10.1002/jhet.5570200409
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Beckmann rearrangement of 3-aza-a-homo-4α-androsten-4,17-dione oxime and 3-oxo-13α-amino-13,17-seco-4-androsten-17-oic 13,17-lactam oxime.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1093, doi. 10.1002/jhet.5570200449
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Réactions entre l'indole et les chlorures d'acides, en milieu basique: Synthèse d'amides de l'ortho [bis(indolyl-3)]-2 éthyl, aniline.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1043, doi. 10.1002/jhet.5570200440
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Ring opening reactions of indeno[1,2- c]isoxazolones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 899, doi. 10.1002/jhet.5570200411
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Synthesis of β-lactams by the photolysis of cyclohexyl benzoylformate in the presence of imines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1099, doi. 10.1002/jhet.5570200451
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Isomerisation, déshydration et réduction du méthyl-4 dioxa-1,6 spiro[4,5]decanol-4. Obtention de précurseurs ou d'isomères de phéromones de guêpe.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 963, doi. 10.1002/jhet.5570200422
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Differing reactivities and products in the reaction of some N-methylimidazol-2-yl, oxazol-2-yl- and thiazol-2-ylsilanes and -stannanes with acid chlorides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1011, doi. 10.1002/jhet.5570200433
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Dihydropyridazines. III.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 855, doi. 10.1002/jhet.5570200404
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Chemistry of the phenoxathiins and isosterically related heterocycles. XXVII. Two-dimensional J-resolved spectra of 1,4,9-triazaphenoxathiin: The influence of frequency of the position and intensity of resonances due to strong coupling.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1063, doi. 10.1002/jhet.5570200444
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Pseudo-nucléosides dérivés des pyrrolo[2, 3- d]pyrimidines. Synthèse et activité biologique.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 925, doi. 10.1002/jhet.5570200415
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Preparation of zwitterionic electron acceptors and donors.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1113, doi. 10.1002/jhet.5570200455
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Synthesis and acylating properties of 4,5-dihydro-6 H-1,3,4- oxadiazin-6-ones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 979, doi. 10.1002/jhet.5570200426
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4,5,8,9-tetrahydro-8-methyl-9-oxothieno[3′,2′:5,6]cyclohepta[1,2- b]- pyrrole-7-acetic acid. A new anti-inflammatory/analgesic agent.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1027, doi. 10.1002/jhet.5570200437
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Studies on imidazole derivatives and related compounds. 2. Characterization of substituted derivatives of 4-carbamoylimidazolium-5-olate by ultraviolet absorption spectra.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 875, doi. 10.1002/jhet.5570200408
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Synthesis and reactions of 5,6-dichloro-3-nitropyrazinamine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1089, doi. 10.1002/jhet.5570200448
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Nucleophilic substitution by 3-amino-1,2-propanediol in nitropyrazines and nitroquinoxalines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 947, doi. 10.1002/jhet.5570200419
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Studies on pyrrolidinones. Derivatives of 1,2,3,5,10,10a-hexahydrobenz[ f]indolizine-3,10-dione.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 893, doi. 10.1002/jhet.5570200410
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Fused s-triazino heterocycles. X. Displacement reactions of 7,9-dibromo-2-tribromomethyl-5-trichloromethyl-1,3,4,6,9b-pentaazaphenalene and 7,9-dibromo-2,5-bis(tribromomethyl)- 1,3,4,6,9b-pentaazaphenalene.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1095, doi. 10.1002/jhet.5570200450
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The preparation of macrocyclic polyether-diester compounds by transesterification including the preparation of two new nitrogen containing diester-crown compounds.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 957, doi. 10.1002/jhet.5570200421
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The structure of a 1,3-oxazonine derivative obtained by photochemical addition of 6-cyanophenanthridine N-oxide and 2,3-dimethyl-2-butene.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1007, doi. 10.1002/jhet.5570200432
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Oxidation of bis-aroylhydrazones of 3,3-dimethylpentane-2,4-dione and thermal decomposition of the oxidation products.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 845, doi. 10.1002/jhet.5570200403
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Preparation of new dihydrofuro[2,3- f]indole derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 1059, doi. 10.1002/jhet.5570200443
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A new synthesis of substituted 2(1 H)-pyrazinones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 4, p. 919, doi. 10.1002/jhet.5570200414
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