Works matching IS 0022152X AND DT 2003 AND VI 40 AND IP 4
Results: 28
Theoretical studies on the stereochemical course of 1,3-dipolar cycloaddition of azomethine ylides derived from indol-2,3-dione and thiazolidine-4-carboxylic acid.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 557, doi. 10.1002/jhet.5570400401
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- Article
The effect of intramolecular-hydrogen bonds in the synthesis of novel imidates from a 13-membered dioxadithia crown ether diester.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 639, doi. 10.1002/jhet.5570400412
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Transition metal free reductive dimerization of nitrogen containing barbituric acid benzylidenes.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 701, doi. 10.1002/jhet.5570400423
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- Article
Preparation of substituted 1,3-dihydro-2 H-imidazo[4,5- c]pyridin-2-ones.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 585, doi. 10.1002/jhet.5570400405
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Synthesis, characterization and crystal structures of two 2-naphthyl substituted pyrazoles.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 659, doi. 10.1002/jhet.5570400416
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- Article
Synthesis of some furo-thiazolidine derivatives starting from aldimines.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 721, doi. 10.1002/jhet.5570400427
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Ring transformations of heterocyclic compounds. XXIII.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 611, doi. 10.1002/jhet.5570400409
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- Article
1,2,3- and 1,2,4-triazolium salts, pyrazoles, and quinoxalines from diarylnitrilimines and isocyanides: A study of the scope.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 625, doi. 10.1002/jhet.5570400411
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- Article
A simple synthesis of 5-ethoxycarbonyl-6-phenyl-1,3-dioxin-4-ones and ethyl 3-benzoyl-4-oxo-2,6-diphenylpyran-5-carboxylate.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 697, doi. 10.1002/jhet.5570400422
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Reaction of benzohydroximinoyl chlorides and β-(trifluoromethyl)-acetylenic esters: Synthesis of regioisomeric (trifluoromethyl)-isoxazolecarboxylate esters and oxime addition products.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 575, doi. 10.1002/jhet.5570400404
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- Article
A convenient preparation of 3-acetyl-5-methylisoxazole.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 655, doi. 10.1002/jhet.5570400415
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- Article
Asymmetric conjugate addition reaction using pyrazole derivatives as a chiral catalyst.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 717, doi. 10.1002/jhet.5570400426
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- Article
A facile route for the synthesis of novel γ-lactams.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 607, doi. 10.1002/jhet.5570400408
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- Article
Nickel boride mediated reductive desulfurization of 2-thioxo-4(3 H)-quinazolinones: A new synthesis of quinazolin-4(3 H)-ones and 2,3-dihydro-4(1 H)-quinazolinones.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 677, doi. 10.1002/jhet.5570400419
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Synthesis and biological properties of 4-substituted quinolin-2(1 H)-one analogues.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 617, doi. 10.1002/jhet.5570400410
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- Article
Enaminones as building blocks in heterocyclic syntheses: A new approach to polyfunctionally substituted cyclohexenoazines.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 689, doi. 10.1002/jhet.5570400421
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Syntheses of two potential food mutagens.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 569, doi. 10.1002/jhet.5570400403
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- Article
2-(4-methylpyridin-2-yl)-1 H-benzimidazole derivatives. Part II, <sup>l</sup>H nmr characterization.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 649, doi. 10.1002/jhet.5570400414
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Palladium-catalyzed amination with benzophenone imine as a new, safe and practical alternative to nitration for the synthesis of 7-amino-2,1,3-benzothiadiazoles.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 713, doi. 10.1002/jhet.5570400425
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Synthesis of (+/-) mappicine and mappicine ketone.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 601, doi. 10.1002/jhet.5570400407
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Synthesis and <sup>15</sup>N NMR characterization of 4-vinylbenzyl substituted bases of nucleic acids.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 671, doi. 10.1002/jhet.5570400418
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Studying the synthesis of 4- tert-butyl-1,3-dihydroimidazol-2-ones and their corresponding thiones.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 593, doi. 10.1002/jhet.5570400406
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Asymmetric diels alder reaction using pyrazole derivatives as a chiral catalyst.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 681, doi. 10.1002/jhet.5570400420
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Novel 'quinolone' metal complexes: Synthesis and spectroscopic studies of mg(II), zn(II) and ba(II) complexes with N-methyl (or NH)-3-acetyl-4-hydroxy quinolin-2-one ligands.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 645, doi. 10.1002/jhet.5570400413
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Palladium catalyzed cross-methylation of bromoheterocycles with intramolecularly stabilized dimethyl indium reagents.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 565, doi. 10.1002/jhet.5570400402
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A novel diacetylenic bilirubin.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 707, doi. 10.1002/jhet.5570400424
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Synthesis of 3-Ω-amino-2-thiohydantoins.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 665, doi. 10.1002/jhet.5570400417
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Hydrazonoyl halides: Useful building blocks for the synthesis of arylazoheterocycles.
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- Journal of Heterocyclic Chemistry, 2003, v. 40, n. 4, p. 725, doi. 10.1002/jhet.5570400428
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- Article