Works matching IS 0022152X AND DT 1983 AND VI 20 AND IP 3
Results: 65
Reaction of ketenes with N,N-disubstituted α-aminomethyleneketones. XIII. Synthesis of 2 H-pyrano[3,2- d]-1-benzoxepin derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 539, doi. 10.1002/jhet.5570200310
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Facile synthesis of N-substituted-4-cyano-4-phenylpiperidines via phase-transfer catalysis.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 771, doi. 10.1002/jhet.5570200350
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Anticonvulsant property of substituted 5-aryltetrazol-2-ylacetylcarbamides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 615, doi. 10.1002/jhet.5570200321
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Synthesis of isonipecotinoyl analogues of aminopterin and folic acid.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 807, doi. 10.1002/jhet.5570200361
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Addition photochimique d'azidoformiate d'alkyle sur le méthylène-2 tétrahydropyranne et le méthoxy-2 dihydro-5,6 γ-pyranne.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 671, doi. 10.1002/jhet.5570200332
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Synthesis and evaluation of AChE inhibitory activity of 5,6-diaryl-1,2,4-triazinyloxyacetyl-4-substituted thiosemicarbazides, triazoles and N-benzylidene derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 507, doi. 10.1002/jhet.5570200303
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An ESR study of the cation radicals of azodibenzothiazolyls.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 723, doi. 10.1002/jhet.5570200343
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Selenium-Sulfur analogs. 6. Selenoisosteres of levamisole.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 523, doi. 10.1002/jhet.5570200307
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Some 4-alkyl s-triazolo[4,3- a]quinoxalines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 781, doi. 10.1002/jhet.5570200354
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Electrochemical synthesis of heterocyclic compounds. XII.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 635, doi. 10.1002/jhet.5570200325
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Oxidation reactions of indapamide. A novel route to the indole derivative, N-(3-sulfamyl-4-chlorobenzamido)-2-methylindole.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 819, doi. 10.1002/jhet.5570200365
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A one-step conversion of N-acylaminoketones into 5-alkylidene-3-pyrrolin-2-ones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 687, doi. 10.1002/jhet.5570200336
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Structural resolution of the stereochemistry of a spirooxirane derived from an α-arylidene heterocyclic carbonyl. The crystal and molecular structure of 2-( p-chlorophenyl)-5-phenyl-7-methyl-1-oxa-5,6-diazaspiro[2.4]hept-6-en-4-one.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 559, doi. 10.1002/jhet.5570200314
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Synthesis and characterization of ethidium analogs: Emphasis on amino and azido substituents.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 759, doi. 10.1002/jhet.5570200347
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Novel rearrangements of N-arylpyrrolyl sulphides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 591, doi. 10.1002/jhet.5570200318
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A template effect in the synthesis of dibenzo-14-crown-4.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 795, doi. 10.1002/jhet.5570200358
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Carbocyclic analogs of anhydrothymidines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 655, doi. 10.1002/jhet.5570200329
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Reaction of 4-methylene-5(4 H)-oxazolones with diazomethane.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 607, doi. 10.1002/jhet.5570200320
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Synthesis of some new fluorophenothiazines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 803, doi. 10.1002/jhet.5570200360
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Activated nitriles in heterocyclic synthesis. A novel synthesis of pyrazolo[1,5- a]pyrimidines and pyrano[2,3- c]pyrazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 667, doi. 10.1002/jhet.5570200331
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Halogenated ketenes. 37. The synthesis of pyranones utilizing the (4 + 2) cycloaddition of ketenes and siloxy dienes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 501, doi. 10.1002/jhet.5570200302
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A facile synthesis of 1,3,4-selenadiazolo[2,3- b]quinazoline derivatives via japp-klingemann reaction.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 719, doi. 10.1002/jhet.5570200342
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Quinazolines and 1,4-benzodiazepines. XCIII.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 551, doi. 10.1002/jhet.5570200313
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New reactions of deoxyvasicinone.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 779, doi. 10.1002/jhet.5570200353
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Studies related to the total synthesis of pentostatin. Approaches to the synthesis of (8 R)-3,6,7,8-tetrahydroimidazo-[4,5- d][1,3]diazepin-8-ol and N-3 alkyl congeners.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 629, doi. 10.1002/jhet.5570200324
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Synthesis and structural analysis of a 2,5-diazabicyclo [4.1.0]heptane.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 815, doi. 10.1002/jhet.5570200364
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The synthesis of pyridoquinolines with dialkylaminopropylamine side chains.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 681, doi. 10.1002/jhet.5570200335
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1,3-Dipolar cycloaddition of nitrones with α,β-unsaturated sulfones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 519, doi. 10.1002/jhet.5570200306
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The chemistry of 5-hydroxy-6-(hydroxyalkyl)uracils. Synthesis of spiro[pyrimidine-4,2′-pyrano[3,2- d]pyrimidines].
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 753, doi. 10.1002/jhet.5570200346
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Synthesis of some pyrrolobenzothiazepines via N-aryl-2-thiocyanatopyrroles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 585, doi. 10.1002/jhet.5570200317
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Quinazolines and 1,4-benzodiazepines. XCIV.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 791, doi. 10.1002/jhet.5570200357
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Reaction of 2-dimethylaminomethylene-1,3-diones with dinucleophiles. III. Synthesis of 5-acylpyrimidines and 7,8-dihydroquinazolin-5(6 H)-ones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 649, doi. 10.1002/jhet.5570200328
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Studies on the synthesis of heterocyclic compounds. XI. Cleavage of 1,3-benzodioxoles by magnesium bromide-acetic anhydride.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 703, doi. 10.1002/jhet.5570200339
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Synthesis of 7-phenylpyrimido[5,4- d][1]benzazepin-2-ones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 663, doi. 10.1002/jhet.5570200330
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Pyrido[1′,2′:1,2]pyrimido[5,4- d]indoles. A new heterocyclic ring system.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 495, doi. 10.1002/jhet.5570200301
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Synthesis of substituted 2 H[1]benzopyrans from coumarins and chromones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 715, doi. 10.1002/jhet.5570200341
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Synthesis and some reactions of hexahydro-1,2,4-triazine-3,6-dione.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 547, doi. 10.1002/jhet.5570200312
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Synthesis of some benzopyranocyclopentapyridine and pyranoacridine derivatives.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 775, doi. 10.1002/jhet.5570200352
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Some sulfur-containing quinoxalines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 623, doi. 10.1002/jhet.5570200323
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Synthesis and spectral studies of 2-mercapto-benzimidazole derivatives. II.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 813, doi. 10.1002/jhet.5570200363
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Synthesis of S-5-pyrrolo[2,3- b]pyridinemethyl and S-5- and S-6-pyrrolo[2,3- d]pyridinemethyl derivatives of 5′-deoxy-5′-thioadenosine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 677, doi. 10.1002/jhet.5570200334
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Interpretation of the <sup>13</sup>C NMR spectrum of physostigmine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 515, doi. 10.1002/jhet.5570200305
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Dialkyl bicyclic heterocycles with a bridgehead nitrogen as purine analogs possessing significant cardiac inotropic activity.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 735, doi. 10.1002/jhet.5570200345
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Synthèse et transformations de pyridopyrimidopyrimidines.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 575, doi. 10.1002/jhet.5570200316
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Condensation of 2,4(3 H,5 H)-furandione with heteroaromatic aldehydes.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 787, doi. 10.1002/jhet.5570200356
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Reaction of 2-dimethylaminomethylene-1,3-diones with dinucleophiles. II. Synthesis of 5-(alkyl)(phenyl)-4-acylisoxazoles and 6,7-dihydro-1,2-benzisoxazol-4(5 H)-ones.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 645, doi. 10.1002/jhet.5570200327
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Voies d'accès à un analogue pyrannique de la puromycine.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 697, doi. 10.1002/jhet.5570200338
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Synthesis of 2-arylpyrido[3,4- b]pyrazine derivatives through condensation of 3,4-diaminopyridine with β-keto sulfoxides.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 769, doi. 10.1002/jhet.5570200349
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Racematspaltung von (±)-5-äthyl-1-(3,4-dimethoxyphenyl)-6,7-dimethoxy-4-methyl-5 H-2,3-benzodiazepin und anomales chiroptisches verhalten der enantiomeren.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 709, doi. 10.1002/jhet.5570200340
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Synthesis of some 5,6,7,8-tetrahydro-4-cinnolone derivatives and 1-methyl-3-arylacetyl-4,5,6,7-tetrahydroindazoles.
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- Journal of Heterocyclic Chemistry, 1983, v. 20, n. 3, p. 543, doi. 10.1002/jhet.5570200311
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