Tautomerism in barbituric and thiobarbituric acids.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 639, doi. 10.1002/jhet.5570260324
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- Publication type:
- Article
Works matching IS 0022152X AND DT 1989 AND VI 26 AND IP 3
Results: 72
1
2
Cyclization reactions of 3-hydrazino[1, 2, 4]triazino[5, 6- b]indole.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 769, doi. 10.1002/jhet.5570260348
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- Article
3
Thermally induced fragmentation and cyclisation of C-azidohydrazones.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 619, doi. 10.1002/jhet.5570260320
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- Article
4
Michael additions with an enaminoester: Reaction of phenyl 4-chromone-3-sulfonate with methyl 3-amino-2-pentenoate.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 753, doi. 10.1002/jhet.5570260345
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- Article
5
Synthesis of new alkyl- alkenyloxy- and hydroxy-substituted diaza-crown compounds.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 565, doi. 10.1002/jhet.5570260308
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- Publication type:
- Article
6
Behaviour of aminoacids and aliphatic aldehydes in dipolar aprotic solvents: Formation of oxazolidinones-behaviour of aminoacids and aliphatic aldehydes in dipolar aprotic solvents.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 837, doi. 10.1002/jhet.5570260360
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- Article
7
Synthesis and in solution behaviour of new 2-substituted-4-thiazolidinecarboxylic acid derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 589, doi. 10.1002/jhet.5570260313
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- Publication type:
- Article
8
Pyrazolo[3, 4- d]pyrimidines related to lonidamine.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 613, doi. 10.1002/jhet.5570260319
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- Publication type:
- Article
9
Preparation, lithiation and transformation of N-(benzotriazol-1-ylmethyl) heterocycles.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 829, doi. 10.1002/jhet.5570260359
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- Publication type:
- Article
10
Synthèse de 5 H-isoquino[6, 7- b][1, 6]naphtyridones-12 substituées sur leur sommet 10.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 577, doi. 10.1002/jhet.5570260310
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- Publication type:
- Article
11
Synthesis and reactions of 2-amino-7, 8-dimethoxy-1 h-3-benzazepines. Competitive formation of 2-amino-1 h-3-benzazepines vs. 2-benzylimidazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 779, doi. 10.1002/jhet.5570260350
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- Article
12
Chemotherapeutic agents. IX. Synthesis and pesticidal activities of bis[4-aryl/alkyl-1, 2, 4-triazoline-5-thione-3-yl]alkanes and 1 -Aryl/alkyl-3-[4-(4-aryl/alkyl-1, 2, 4-triazoline-5-thione-3-yl)phenyl]thiourea and related compounds.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 625, doi. 10.1002/jhet.5570260321
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- Publication type:
- Article
13
Regiospecific synthesis of 2-methyl-4-arylcarbonyl-2 H-1, 2-benzothiazin-3(4 H)-one 1, 1-dioxides.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 843, doi. 10.1002/jhet.5570260361
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- Publication type:
- Article
14
Ring-degenerate rearrangement of 5-amino-4-iminomethyl-1, 2, 3-triazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 701, doi. 10.1002/jhet.5570260332
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- Publication type:
- Article
15
A versatile route to potential dihydrofolate reductase inhibitors via the hitherto unknown 6-benzyl-2-( O-methyl)uracils: Synthesis of isotrimethoprim.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 883, doi. 10.1002/jhet.5570260372
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- Publication type:
- Article
16
Synthesis of some benzimidazole-, pyridine- and imidazole-derived chelating agents.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 541, doi. 10.1002/jhet.5570260303
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- Publication type:
- Article
17
Research on nitrogen containing heterocyclic compounds. XVI. Synthesis of 1, 3, 4, 14b-tetrahydro-2, 10-dimethyl-2 H,10 H-pyrazino[2, 1- d]pyrrolo[1, 2- b][1, 2, 5]benzotriazepine (1:1) maleate (10-methyl-10-azaaptazepine).
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 745, doi. 10.1002/jhet.5570260343
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- Publication type:
- Article
18
Reactions of 2-aminothiobenzamide with isocyanates: A new synthesis of 2, 3-dihydroimidazo[1, 2- c]quinazolin-5(6 H)-one and 3, 4-Dihydro-2 H-pyrimido[1, 2- c]quinazolin-6(7 H)-one.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 595, doi. 10.1002/jhet.5570260314
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- Publication type:
- Article
19
A new fused heterocyclic system: 6 H-pyrazolo[3, 4- c][1, 2, 5]thiadiazine 2, 2-dioxide.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 797, doi. 10.1002/jhet.5570260354
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- Publication type:
- Article
20
Derivation of fluorine-containing pyridine dicarboxylates. II. Elaboration at the 4-position.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 645, doi. 10.1002/jhet.5570260325
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- Article
21
A facile synthesis of novel pyrazolo[5′,1′:3, 4]-[1, 2, 4]triazino[6, 5- f][1, 3, 4]thiadiazepines.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 861, doi. 10.1002/jhet.5570260365
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- Publication type:
- Article
22
Diels-alder reactions of 3, 6-diphenyl-1, 2, 4, 5-tetrazine and 3, 6-di(2-pyridyl)-1, 2, 4, 5-tetrazine with some 1-morpholinocycloalkenes.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 717, doi. 10.1002/jhet.5570260336
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- Publication type:
- Article
23
Synthesis of new gramine-type analogs of CC-1065.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 557, doi. 10.1002/jhet.5570260307
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- Publication type:
- Article
24
Synthesis of nitrogen-containing heterocycles. 4. A facile route to new 1, 2, 4-triazole derivatives.
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- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 763, doi. 10.1002/jhet.5570260347
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- Publication type:
- Article
25
Hydrogenation of substituted 1-arylisoquinolin-3(2 H)-ones to 5, 6, 7, 8-tetrahydro- and 1, 4-dihydroisoquinolin-3(2 H)-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 609, doi. 10.1002/jhet.5570260318
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- Publication type:
- Article
26
2-Chloro-3 H-indol-3-one and its reactions with nucleophiles.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 821, doi. 10.1002/jhet.5570260358
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- Publication type:
- Article
27
Carbon-13 nuclear magnetic resonance spectra of fentanyl analogs.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 677, doi. 10.1002/jhet.5570260329
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- Article
28
Thermal formation of triphenodithiazinequinone and triphenodiselenazinequinone.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 875, doi. 10.1002/jhet.5570260369
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- Publication type:
- Article
29
Some derivatives of benz[ f]azepine. Part III.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 793, doi. 10.1002/jhet.5570260353
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- Publication type:
- Article
30
Syntheis of 2-aryloxy- and 2-arylalkoxy-1-(2-piperidyl)ethanols.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 693, doi. 10.1002/jhet.5570260331
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- Article
31
A short and efficient synthesis of grisan.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 879, doi. 10.1002/jhet.5570260371
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- Publication type:
- Article
32
Sodium periodate oxidation of tetrahydro-β-carboline derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 537, doi. 10.1002/jhet.5570260302
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- Publication type:
- Article
33
Synthesis and tautomeric behavior of 3-(pyrazolylhydrazonomethyl)-2-oxo-1, 2-dihydroquinoxalines. Specification of hydrazone imine and diazenyl enamine forms.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 857, doi. 10.1002/jhet.5570260364
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- Publication type:
- Article
34
Double quantum filtered zero quantum coherence with broadband homonuclear f<sub>1</sub> Decoupling.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 741, doi. 10.1002/jhet.5570260342
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- Publication type:
- Article
35
Site-and regioselective π<sup>4</sup>S + π<sup>2</sup>S cycloaddition of nitrileoxides to pyridazin-3-ones: Formation of novel 3a, 7a-dihydroisoxazolo[4, 5- d]pyridazin-4-ones.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 553, doi. 10.1002/jhet.5570260306
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- Publication type:
- Article
36
Synthesis of 2, 2′-bithienyl derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 533, doi. 10.1002/jhet.5570260301
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- Publication type:
- Article
37
Studies on pyrazines. 18.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 817, doi. 10.1002/jhet.5570260357
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- Publication type:
- Article
38
A new route to 2-amino- or 2-hydroxy-3-pyridinecarboxylic acid derivatives.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 773, doi. 10.1002/jhet.5570260349
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- Publication type:
- Article
39
An unexpected aminolysis in the synthesis of 5-substituted 3-(1 H-tetrazol-5-yl)pyrazolo[1, 5- a]quinazolines.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 713, doi. 10.1002/jhet.5570260335
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- Publication type:
- Article
40
Studies on heterocyclic compounds. VII. Syntheses of novel furo[2, 3- b]chromones.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 605, doi. 10.1002/jhet.5570260317
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- Publication type:
- Article
41
Crossed bisadducts in the reaction of pyridine with two different nitrile oxides.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 757, doi. 10.1002/jhet.5570260346
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- Publication type:
- Article
42
A selective synthesis of novel isoxazolo[2, 3- a]-quinoxalines and pyrrolo[1, 2- a]quinoxalines.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 871, doi. 10.1002/jhet.5570260368
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- Publication type:
- Article
43
Synthèse et étude structurale d'alcoxy-8 et hydroxy-8 [1, 2, 4]triazolo[4, 3- c] et [1, 5- c]pyrimidines.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 687, doi. 10.1002/jhet.5570260330
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- Publication type:
- Article
44
Chemistry of the phenoxathiins and isosterically related heterocycles. XXXVII.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 667, doi. 10.1002/jhet.5570260328
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- Publication type:
- Article
45
The synthesis of derivatives of new tetracyclic heterocyclic systems pyrazolo-bis-azolopyridazines.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 585, doi. 10.1002/jhet.5570260312
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- Publication type:
- Article
46
A new class of non-classical azapentalenes. Synthesis and c-13/n-15 NMR characterization of 2 H-imidazo[1, 5- d]tetrazoles.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 729, doi. 10.1002/jhet.5570260339
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- Article
47
The reductive repair of 1, 3-dhnethylthymine bromohydrin into 1, 3-dimethylthymine by 1, 5-dihydro-5-deazaflavin or 1, 4-dihydroquinoline.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 877, doi. 10.1002/jhet.5570260370
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- Publication type:
- Article
48
Synthesis of new tricyclic ring systems containing the pyrimido[5, 4- b][1, 4]oxazine skeleton.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 739, doi. 10.1002/jhet.5570260341
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- Publication type:
- Article
49
Alkaline hydrolysis of 3-methyl-2 H-1, 3-benzothiazinium iodides.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 789, doi. 10.1002/jhet.5570260352
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- Publication type:
- Article
50
Reaction of 1-(3, 4-dimethoxybenzylidene)-6, 7-dimethoxyisochroman-3-one with lithium aluminium hydride: Formation of 1-(3, 4-dimethoxybenzylidene)-6, 7-dimethoxyisochroman.
- Published in:
- Journal of Heterocyclic Chemistry, 1989, v. 26, n. 3, p. 549, doi. 10.1002/jhet.5570260305
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- Publication type:
- Article