Works matching IS 0022152X AND DT 2004 AND VI 41 AND IP 4
Results: 28
Synthesis and characterization of new biologically active 2-(1,3-disubstituted pyrazolyl)chromones and corresponding pyrimidine, thiopyrimidine, pyrazolyl derivatives.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 541, doi. 10.1002/jhet.5570410410
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Synthesis and biological evaluation of benzo[7,8]chromeno[5,6- b][1,4]oxazin-3-ones.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 605, doi. 10.1002/jhet.5570410421
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Generation and reactivity of 3-carbethoxy-5-phenyl- 5H,7H-thiazolo[3,4- c]oxazol-4-ium-1-olate.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 493, doi. 10.1002/jhet.5570410403
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Stereoselective synthesis of conformationally constrained tropane analogues: 6-Chloro-2,5-diazatetracyclo[8.5.0.0<sup>2,13</sup>.0<sup>4,9</sup>]pentadeca-4,6,8-triene-11-one and 6-chloro-2,7-diazatetracyclo-[8.5.0.0<sup>2,13</sup>.0<sup>4,9</sup>]pentadeca-4,6,8-triene-11-one
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 569, doi. 10.1002/jhet.5570410414
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A facile one-pot synthesis of novel substituted 1,2,3,4-tetrahydropyrimidine, part 2.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 627, doi. 10.1002/jhet.5570410425
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Synthesis of substituted 3-(5-amino-[1,3,4]thiadiazol-2-yl)-2 H-pyrano[2,3- c]pyridin-2-ones.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 517, doi. 10.1002/jhet.5570410407
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Hantzsch reaction of 3-(2-bromoacetyl)-4-hydroxy-chromen-2-one. Synthesis of 3-(thiazol-4-yl)-4-hydroxy coumarines.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 593, doi. 10.1002/jhet.5570410418
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The synthesis of substituted indazoles via cyclization of various hydrazones in the presence of polyphosphoric acid (PPA).
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 601, doi. 10.1002/jhet.5570410420
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Recent development in preparation reactivity and biological activity of enaminoketones and enaminothiones and their utilization to prepare heterocyclic compounds.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 461, doi. 10.1002/jhet.5570410402
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Diastereoselective synthesis of substituted 2,3,4,5-tetrahydro-1 H-1-benzazepine-5-carboxylic esters by a tandem reduction-reductive animation reaction.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 563, doi. 10.1002/jhet.5570410413
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Synthesis of six new 2-Aryl- N-biphenyl benzimidazoles and crystal structure of methyl 4′ [(2- p-Chlorophenyl-1 H-benzimidazole-1-yl)-methyl]biphenyl-2-carboxylate.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 621, doi. 10.1002/jhet.5570410424
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One-step synthesis of aminopyrimidines from 5-Oxo-4 H-benzopyrans.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 509, doi. 10.1002/jhet.5570410406
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4-hydroxy-6-methyl-3-(5-phenyl-2 E,4 E-pentadien-1-oyl)-2 H-pyran-2-one: Synthesis and reactivity with amines.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 587, doi. 10.1002/jhet.5570410417
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Synthesis of dihydrothieno[2,3- b]pyridines based on titanium(IV) chloride-mediated michael reactions of 2-amino-4,5-dihydro-3-thiophenecarbonitriles with α,β-unsaturated ketones.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 641, doi. 10.1002/jhet.5570410428
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Synthesis of isoflavones.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 449, doi. 10.1002/jhet.5570410401
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Synthesis of lipophilic lariat ethers with pendant N-(X)sulfonyl carboxamide groups.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 557, doi. 10.1002/jhet.5570410412
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Indium-mediated facile preparation of 2-(heterocyclic thio)-1-(2,3,4-trimethoxyphenyl)ethanone in aqueous media.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 617, doi. 10.1002/jhet.5570410423
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Synthesis of α-alkylidene-γ-butyrolactones via Ring-cleavage/recyclization of 2-Amino-4,5-dihydro-3-furancarboxamides.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 505, doi. 10.1002/jhet.5570410405
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New N<sup>6</sup>-substituted 8-alkyl-2-phenylmethylsulfanyl-adenines. II.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 581, doi. 10.1002/jhet.5570410416
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An expedient synthesis of an isofervenulin analogue.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 637, doi. 10.1002/jhet.5570410427
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Synthesis of some fused β-carbolines including the first example of the pyrrolo[3,2- c]-β-carboline system.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 531, doi. 10.1002/jhet.5570410409
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Synthesis and reactivity of some imidazo-, triazolo- and tetrazolo-isoquinoline derivatives.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 549, doi. 10.1002/jhet.5570410411
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Synthesis of 5 H-1,2,3-triazolo[4,3- a][2]benzazepines from the baylis-hillman adducts of 2-alkynylbenzaldehydes.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 613, doi. 10.1002/jhet.5570410422
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Thermal transformation of arylamidoximes in the presence of phosphorus ylides. Unexpected formation of 3-aryl-5-arylamino-1,2,4-oxadiazoles.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 499, doi. 10.1002/jhet.5570410404
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Preparation of new N<sup>6</sup>, 9-disubstituted 2-phenyl-adenines and corresponding 8-azaadenines.: A feasibility study for application to solid-phase Synthesis. I.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 575, doi. 10.1002/jhet.5570410415
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The cleavage of heterocyclic compounds in organic synthesis II.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 633, doi. 10.1002/jhet.5570410426
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Synthesis of trifluoromethylated pyrido[2,3- d]pyrimidine-2,4-diones from 6-aminouracils and trifluoromethylated pyrazolo[3,4- b]-pyridines from 5-aminopyrazoles.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 525, doi. 10.1002/jhet.5570410408
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Cyclocondensation reaction of heterocyclic carbonyl compounds.
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- Journal of Heterocyclic Chemistry, 2004, v. 41, n. 4, p. 597, doi. 10.1002/jhet.5570410419
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