Works matching IS 0022152X AND DT 1975 AND VI 12 AND IP 3
Results: 40
Reaction of pyromeconic acid with β-diazopropionic ester. Synthesis and attempted cyclization of β-(4 H-pyran-4-on-3-yloxy)propionic acid.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 537, doi. 10.1002/jhet.5570120320
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Photochemical and acid-catalyzed reactions in the 2,3-dihydropyridazine system.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 589, doi. 10.1002/jhet.5570120331
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Etudes en série indolique: VII.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 455, doi. 10.1002/jhet.5570120302
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Additions radicalaires du tétrahydrothiophène à des dérivés éthyléniques: Préparation de tétrahydrothiophènes substitués en 2.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 509, doi. 10.1002/jhet.5570120313
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Studies on quinoline derivatives and related compounds. II. Synthesis of 5-substituted 1-ethyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 557, doi. 10.1002/jhet.5570120324
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Synthesis of optically active 10-methoxy- and 10-hydroxyaporphines from apomorphine.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 599, doi. 10.1002/jhet.5570120335
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Synthesis of pyrido[1,2- a]pyrimido[4,5- d]pyrimidin-5-ones. Cyclization reaction of 4-[(3-hydroxy-2-pyridyl)amino]-2-phenyl-5-pyrimidinecarboxylic acid with acetic anhydride.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 477, doi. 10.1002/jhet.5570120306
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Thienopyrimidines. VII. Reactions of the 4-hydrazinothieno[2,3- d]pyrimidines.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 525, doi. 10.1002/jhet.5570120317
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Chemical proof for the preferred nitrogen quarternization in 1,3,5-triaza-7-phosphaadamantanc.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 579, doi. 10.1002/jhet.5570120328
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Reactions of alkyl azides with aryl isothiocyanates.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 607, doi. 10.1002/jhet.5570120339
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3-Carbalkoxy-4-diazo-5-oxo-2-pyrrolines.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 585, doi. 10.1002/jhet.5570120330
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1,2,5-Thiadiazolo[3,4- b]pyrazines.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 451, doi. 10.1002/jhet.5570120301
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Synthese, thermolyse et photolyse de quelques cyano-4-amino-5-triazolines.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 505, doi. 10.1002/jhet.5570120312
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New polyazaheterocycles. 9-Methyl-di- s-triazolo[4,3- a:4,3- c]pyrimidine and 9-methyl- s-triazolo[4,3- c]tetrazolo[1,5- a]pyrimidine.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 551, doi. 10.1002/jhet.5570120323
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Novel electrophilic substitution of the imidazole nucleus.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 597, doi. 10.1002/jhet.5570120334
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A novel synthesis of 2-(disubstituted amino)-5(4)phenylimidazoles.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 471, doi. 10.1002/jhet.5570120305
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A novel dehydrogenation occurring during the synthesis of the new heterocyclic system 1 H-pyrazolo[3,4- b][2,7]naphthyridin-8-one.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 523, doi. 10.1002/jhet.5570120316
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A convenient preparation of 3-(1 H-imidazol-4-yl)propanol.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 577, doi. 10.1002/jhet.5570120327
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Die thermische wolff-umlagerung der 1,2,3-thiadiazole.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 605, doi. 10.1002/jhet.5570120338
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Novel polycyclic heterocycles. XIV. 1,2-Dihydro-4-(trifluoromethyl)-3 H-8 H-quino[1,8- ab][4,1]benzoxazepin-3-one and its derivatives.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 489, doi. 10.1002/jhet.5570120309
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Synthesis of pyridazine nucleosides related to the naturally occurring nucleosides cytidine and uridine.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 609, doi. 10.1002/jhet.5570120340
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The direct acylamination of pyridine 1-oxides. Effect of substituents in N-phenylarylimidoyl chloride. Trapping with thiols.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 501, doi. 10.1002/jhet.5570120311
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Synthesis of potential antineoplastic agents. XXV. Approaches to the pyridocarbazole system.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 547, doi. 10.1002/jhet.5570120322
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Synthetic study in the pyrrolo[2,3- d] imidazole system.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 595, doi. 10.1002/jhet.5570120333
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Solvent shifts in the NMR spectra of monomethoxyflavones a comparison of four solvent systems.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 467, doi. 10.1002/jhet.5570120304
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The cyclocondensation of 5-amino-1,3-dimethylpyrazole with ethyl acetoacetate. Synthesis of isomeric pyrazolopyridones.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 517, doi. 10.1002/jhet.5570120315
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Synthesis of some mono, di, and trisubstituted tetraarylporphyrins.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 573, doi. 10.1002/jhet.5570120326
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The synthesis of I-deazaguanosine.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 603, doi. 10.1002/jhet.5570120337
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Heterocycles from substituted amides, V.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 485, doi. 10.1002/jhet.5570120308
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Reaction of some heterocyclic ketones with lithium dimethyl copper.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 533, doi. 10.1002/jhet.5570120319
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A convenient one-step synthesis of 6-selenoxo-9-(β-D-ribofuranosyl)purine 3′,5′-cyclic phosphate and related compounds.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 493, doi. 10.1002/jhet.5570120310
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The molecular structure and chemical reactivities of the condensation products of o-substituted benzylidenacetylacetone with hydrazine dihydrochloride.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 541, doi. 10.1002/jhet.5570120321
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Pyrano heterocycles I. The syntheses of isochromans and the novel thieno[3,2- c] pyran, benzothieno[3,2- c]pyran, benzothieno[2,3- c]pyran and pyrano[4,3- b] benzofuran systems.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 591, doi. 10.1002/jhet.5570120332
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Furannes et pyrroles disubstitués en 2,3. XVI synthèse de furo[3,2- c]pyranones-4 et nouvelle voie d'accès aux furo[3,2- c]pyridines.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 461, doi. 10.1002/jhet.5570120303
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Studies of thieno[2,3- b]pyrazines in preparation of pyrazino[2′,3′:4,5]thieno[3,2- d]pyrimidines and related molecules.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 513, doi. 10.1002/jhet.5570120314
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The chemistry of 2 H-3,1-benzoxazine-2,4(1 H)dione (isatoic anhydrides) 1. The synthesis of N-substituted 2 H-3,1-benzoxazine-2,4(1 H)diones.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 565, doi. 10.1002/jhet.5570120325
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4-Hydroxyimino-4,5,6,7-tetrahydrobenzofurazan: A convenient synthesis and a literature correction.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 601, doi. 10.1002/jhet.5570120336
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New routes to the v-triazolo[1,5- a]pyridine and pyrazolo[1,5- a]pyridine ring systems.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 481, doi. 10.1002/jhet.5570120307
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Synthesis of 5,6,7-trimethylbenz[c]acridine.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 529, doi. 10.1002/jhet.5570120318
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Synthesis of 2-amino-5-benzoyl-1,3,4-thiadiazoles and Δ<sup>2</sup>-1,3,4-thiadiazolines from thiosemicarbazones of phenylglyoxal.
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- Journal of Heterocyclic Chemistry, 1975, v. 12, n. 3, p. 581, doi. 10.1002/jhet.5570120329
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