Works matching IS 0022152X AND DT 1994 AND VI 31 AND IP 4
Results: 67
Acetylation of a heterocyclic enaminonitrile: Unambiguous structural assignment using NMR methods.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 749, doi. 10.1002/jhet.5570310410
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On triazoles. XXXIII.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 997, doi. 10.1002/jhet.5570310450
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Chromatographic and spectroscopic properties of regioisomers of some 1 H-1,5-benzodiazepines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 813, doi. 10.1002/jhet.5570310421
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Reactions on the dimethylphenylbenzacridinones. VI.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1061, doi. 10.1002/jhet.5570310461
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Aminothiazole derivatives. I. A convenient synthesis of monocyclic and condensed 5-aminothiazole derivatives.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 877, doi. 10.1002/jhet.5570310432
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Chlorine substituent effects for indole and tryptophan in <sup>13</sup>C NMR.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 711, doi. 10.1002/jhet.5570310403
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Synthesis of N-substituted 3-hydroxy-2-methyl-4-pyridones and -pyridonimines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 947, doi. 10.1002/jhet.5570310443
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New routes to selectively methylated benzimidazoles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 775, doi. 10.1002/jhet.5570310414
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Self-condensation of ortho-hydroxy-β-chloro-β-nitrostyrenes: Synthesis of some z-11-nitromethylene-11 H-benzofurol[3,2- b].
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1021, doi. 10.1002/jhet.5570310454
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Mono-, and dibenzacridine imines. Synthesis of 1a,11b- dihydrobenz[ c]azirino[α]acridine, 4b,5a-dihydrodibenz[ c,h]- azirino[α]acridine and 1a,13b-dihydrodibenz[ c,j]azirino[α]acridine.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 837, doi. 10.1002/jhet.5570310425
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Reaction of 2-trifluoromethyl-4 H-3,1-benzoxazin-4-one derivatives with carboethoxymethylenetriphenylphosphorane.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1083, doi. 10.1002/jhet.5570310465
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A study of the photochemically induced electron-transfer reactions between pyridinedicarbonitriles and primary and secondary aliphatic amines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 903, doi. 10.1002/jhet.5570310436
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Synthesis of.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 733, doi. 10.1002/jhet.5570310407
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A possible pathway for the reaction of triethyl (1-methylindol-2-yl)borate with cationic electrophiles in the presence of cuprous cyanide.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 977, doi. 10.1002/jhet.5570310447
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6,6-Disubstituted furo[3,4- c]isoxazoles and 7,7-disubstituted pyrano-[3,4- c]isoxazoles from intramolecular cycloaddition reactions.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 797, doi. 10.1002/jhet.5570310418
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Synthesis of new v-triazolopyrimidinium salts.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1041, doi. 10.1002/jhet.5570310458
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Synthetic exploitation of the ring-opening of 3,4-dinitrothiophene. Part 4.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 861, doi. 10.1002/jhet.5570310429
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Syntheses for 2-hydroxy-2 H-1,4-benzothiazin-3(4 H)-one derivatives as thio analogues of natural hemiacetals.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 809, doi. 10.1002/jhet.5570310420
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Studies on the chemistry of thienoanellated O,N- and S,N-containing heterocycles. 6.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1053, doi. 10.1002/jhet.5570310460
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Diels-alder reactivity of vinylsulfoxyallenes.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 871, doi. 10.1002/jhet.5570310431
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Regioselective synthesis of 5-unsubstituted benzyl pyrrole-2-carboxylates from benzyl isocyanoacetate.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 707, doi. 10.1002/jhet.5570310402
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Oxidative halogenation of substituted pyrroles with Cu(II). Part IV. Bromination of 2-(2′-hydroxybenzoyl)pyrrole. A new synthesis of bioactive analogs of monodeoxypyoluteorin.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 941, doi. 10.1002/jhet.5570310442
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The reaction of methyl 3-amino-4-cyano-5-methylthiothiophene-2-carboxylate with dmad. A new synthesis of polyfunctionalized quinolines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 771, doi. 10.1002/jhet.5570310413
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Synthesis and characterization of a novel unsymmetrical metal-free phthalocyanine with donor-acceptor substituents.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1017, doi. 10.1002/jhet.5570310453
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Studies on pyrrolidones. Synthesis and reactivity of β-enaminomono-esters and β-enaminomononitriles derived from pyroglutamic acid.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 829, doi. 10.1002/jhet.5570310424
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The synthesis and spontaneous resolution of 2-(2-thioxothiazolidin-3-yl)thiazole.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1079, doi. 10.1002/jhet.5570310464
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Steric interactions in 2-substituted imidazoles. The molecular structure of 1-methyl-2-phenylimidazole and 1-methyl-4-phenylimidazole.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 899, doi. 10.1002/jhet.5570310435
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Studies on isocyanides and related compounds. An unusual synthesis of imidazolyloxazolones.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 729, doi. 10.1002/jhet.5570310406
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Formation of pyrimidine-5-carboxaldehydes, 1-aminoethylene-2,2-dicarboxaldehyde and 2-amino-4-anilino-1,3,5-triazine from triformylmethane and amidines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 973, doi. 10.1002/jhet.5570310446
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Annulation reactions of 3-aminoisoquinolin-l(2 H)-one. Synthesis of pyrimido[1,2- b]isoquinolines, pyrido-[2,3- c]isoquinolines and pyrrolo[2,3- c]isoquinolines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 793, doi. 10.1002/jhet.5570310417
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Syntheses of substituted 2-(1-methyl-5-nitro-2-benzimidazolyl)quinolines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1037, doi. 10.1002/jhet.5570310457
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Remarkable selectivity in the reaction of l-trityl-2-lithioimidazoles with t-butyl halogenoacetates.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 857, doi. 10.1002/jhet.5570310428
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Preparation of 3-bromo-2-methylfuran and 4-bromo-2-methylfuran.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1093, doi. 10.1002/jhet.5570310468
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Synthesis of 2 H-pyrazolo[3,4- b]pyridin-3-oles via cyclization of pyrazolacrylonitriles.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 925, doi. 10.1002/jhet.5570310439
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Synthesis of 2 H-pyrano[2,3- b]quinolines. Part I.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 701, doi. 10.1002/jhet.5570310401
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Synthesis of oligonucleotides containing 7-(2-deoxy-β-d- erythro-pentofuranosyl)guanine and 8-amino-2′-deoxyguanosine.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 935, doi. 10.1002/jhet.5570310441
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General preparative synthesis of 2′- O-methylpyrimidine ribonucleosides.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 765, doi. 10.1002/jhet.5570310412
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1,4-Benzodioxin-2(3 H)-one and some of its derivatives.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1011, doi. 10.1002/jhet.5570310452
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Saturated heterocycles. Part 209.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 825, doi. 10.1002/jhet.5570310423
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New symmetric and unsymmetric polyfunctionalized 2,2′-bipyridines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1069, doi. 10.1002/jhet.5570310463
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Electron ionization mass spectra of some norbornane/ene-fused 2- N-phenyliminoperhydro-1,3-oxazines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 893, doi. 10.1002/jhet.5570310434
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Synthesis and spectral properties of 6 H-2,7,7-trimethyl-4-( o, p-R-phenylamino)-7,8-dihydrofuro[3,2- c]azepines.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 725, doi. 10.1002/jhet.5570310405
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Synthesis of p-aminobenzamides of aminopiperidazines as potential antiarrhythmic agents.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 967, doi. 10.1002/jhet.5570310445
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Synthesis of some dibenzodiazepinone derivatives as potent and m2-selective antimuscarinic compounds.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 787, doi. 10.1002/jhet.5570310416
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Heterocycles with a benzothiadiazepine moiety. 3. Synthesis of imidazo[5,1- d]pyrrolo[1,2- b][1,2,5]benzothiadiazepine 9,9-dioxide.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1033, doi. 10.1002/jhet.5570310456
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The reaction of N,N-dimethyldichloromethyleniminium chloride (phosgeniminium chloride) with 6- N-arylaminouracils. A new and convenient 'one pot' synthesis of l,3-dimethyl-5- dimethylaminopyrimido[4,5- b]quinoline-(1 H,3 H)-2,4-diones, 1,3-dimethyl-5-chloropyrimido[4,5- b]quinoline-(1 H,3 H)-2,4-diones and 3-methyl-10-alkyl-5-chloropyrimido[4,5- b]quinoline-(3 H,10 H)-2,4-diones (3-methyl-10-alkyl-5-chloro-5-deazaflavins)
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 845, doi. 10.1002/jhet.5570310427
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Reactivity of 3,3′-methylenebis(5-phenyl)oxazolidine with urea, thiourea and cyanamide. An alternative mechanism for the α-ureidoalkylation of 2-amino-l-phenylethanol.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 1089, doi. 10.1002/jhet.5570310467
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Mannich reactions of carbonyl compounds and enamines with benzotriazole as the NH component.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 917, doi. 10.1002/jhet.5570310438
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On triazoles. XXXIV.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 745, doi. 10.1002/jhet.5570310409
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Synthesis of C-4 substituted pyrimidine nucleoside analogs. Preparation of several 4-(2-oxoalkylidene)-2(1 H)-pyrimidinone ribonucleosides.
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- Journal of Heterocyclic Chemistry, 1994, v. 31, n. 4, p. 989, doi. 10.1002/jhet.5570310449
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