Works matching IS 0022152X AND DT 1993 AND VI 30 AND IP 1
Results: 53
Synthesis of tetrahydropyridazino[1,2- a][1,2,4] benzotriazin-6-one derivatives. A novel heterocyclic system.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 45, doi. 10.1002/jhet.5570300109
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The reaction of 2-nitrosopyridine with nitrile oxides: First synthesis of 1,2,4-triazolo[1,5- a]pyridine 1,3-Di- N-oxides.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 287, doi. 10.1002/jhet.5570300149
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Polycyclic N-hetero compounds. XLIII. Syntheses and properties of 2-substituted 1-acetoxy-6-acetyl-5,6-dihydro-4 H-imidazo[1′,2′:1,6]-pyrimido[5,4- d][1]benzazepines via N-(6,7-dihydro-5 H-pyrimido[5,4- d]-[1]benzazepin-4-yl)amino acids and their analogous mesoionic compounds, and their related compounds as a series of potential blood platelet aggregation inhibitors
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 233, doi. 10.1002/jhet.5570300140
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Synthesis of 4-Amino-substituted-6-hydroxy and 11-hydroxynaphtho[2,3- g]quinoline-5,12-diones, and the unexpected formation of disubstituted imidazo[4,5,l- i,j]naphtho[2,3- g]quinolin-7-ones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 55, doi. 10.1002/jhet.5570300111
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Alkali metal mediated conversion of arene oxides and arene imines into aromatic hydrocarbons.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 291, doi. 10.1002/jhet.5570300151
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Synthesis of 1,3-disubstituted-2-amino-5-hydroxyindoles by reductive aromatization.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 125, doi. 10.1002/jhet.5570300122
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Diels-alder reactions of 3-(2-nitrovinyl)indoles: Formation of carbazoles and bridged carbazoles.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 183, doi. 10.1002/jhet.5570300133
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Synthesis of Some amino-4,5-dihydropyrazolo[3,4- a]acridines as potential cholinesterase inhibitors.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 23, doi. 10.1002/jhet.5570300104
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Synthesis of novel isoquinoline derivatives as potential CNS-agents.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 257, doi. 10.1002/jhet.5570300144
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In situ vinylindole synthesis. Diels-alder reactions with maleimides to give tetrahydrocarbazoles.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 81, doi. 10.1002/jhet.5570300115
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Flavonoids. 43 [1,2]. Deprotonation-initiated aryl migration with sulfur dioxide extrusion: A route to 2,3-dihydro-2,3-diaryl-3-hydroxy-4 H-1-benzopyran-4-ones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 145, doi. 10.1002/jhet.5570300126
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Synthetic studies on indoles and related compounds. XXXI.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 217, doi. 10.1002/jhet.5570300137
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Synthesis, proton NMR stereochemical study and diels-alder reaction of ( E)-7-arylidene-2 H,6 H-naphtho[1,8- bc]furan-2,6-diones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 41, doi. 10.1002/jhet.5570300108
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Synthesis of 6,7,8,9-tetrahydro-5 H-pyrimido-[4,5- b][1,4]diazepine-6,8-diones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 283, doi. 10.1002/jhet.5570300148
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Synthesis of p-aminobenzamides of several aminopyrazolidines: Potential antiarrhythmic agents related to procainamide.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 109, doi. 10.1002/jhet.5570300119
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Novel perfluoroalkyl-substituted pyrazoles. 1. Hydroxypyrazoles.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 49, doi. 10.1002/jhet.5570300110
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A convenient synthesis of the thieno[3,2- c]pyridine nucleus.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 289, doi. 10.1002/jhet.5570300150
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Synthesis of dibenzocrown ethers with pendent amide groups.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 119, doi. 10.1002/jhet.5570300121
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Pyrrolo[2,1- c][1,4]benzoxazepines. 2. Synthesis of 5-phenyl derivatives.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 177, doi. 10.1002/jhet.5570300132
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Improved synthesis of quinaldines by the skraup reaction.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 17, doi. 10.1002/jhet.5570300103
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Convenient synthesis of 4-amino-7-(dialkylamino)pyrido[2,3- d]pyrimidines from polysubstituted pyridines.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 253, doi. 10.1002/jhet.5570300143
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The synthesis and chemistry of 2-hydroxy-4,6-bis(trifluoromethyl)pyridine-5-carboxylates.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 71, doi. 10.1002/jhet.5570300114
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β-Ribo- and α-arabinonucleosides containing the 1,2-benzisoxazole and 1,2-benzisothiazole rings.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 141, doi. 10.1002/jhet.5570300125
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Manganese(III)-mediated free-radical cyclization of acitve methylene compounds, alkenes and molecular oxygen. Syntheses of sulfur- and phosphorus-containing 1,2-dioxan-3-ols.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 209, doi. 10.1002/jhet.5570300136
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A short and general synthesis of 1,3-dihydro-6-heteroaryl-5-perfluoroalkyl-2 H-imidazo[4,5- b]pyridin-2-ones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 37, doi. 10.1002/jhet.5570300107
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Synthesis of 4,6-disubstituted 2-methylpyridines and their 3-carboxamides.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 277, doi. 10.1002/jhet.5570300147
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Synthesis of 2-substituted 5-(1,3-dithiolan-2-ylidene)-1,3-dioxane-4,6-dione derivatives.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 105, doi. 10.1002/jhet.5570300118
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Substituted γ-lactones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 161, doi. 10.1002/jhet.5570300129
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A study of 2-aminofurans.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 113, doi. 10.1002/jhet.5570300120
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The structure of the CT complex between 5,7,12,14-tetramethoxydibenzo[ b,i]thianthrene with TCNQ.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 173, doi. 10.1002/jhet.5570300131
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Synthesis of [1,2,4]triazoloquinazoline and [1,2,4]-triazolo-1,4-benzodiazepine derivatives.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 11, doi. 10.1002/jhet.5570300102
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Reactions of 6-thiotheophylline with alkylating agents and epichlorohydrin: Isolation of S-alkylated 6-thiotheophylline and 7-(2,3-thioepoxypropyl)theophylline.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 247, doi. 10.1002/jhet.5570300142
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Synthesis and structure of 2,3,3a,4,9,9a-hexahydro-3,9a-epoxy-1 H-cyclopenta[ b]quinoline and 5,7-dibromo-2,3,3a,4,9,9a-hexahydro-3,9a-epoxy-1 H-cyclopenta[ b]quinoline.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 65, doi. 10.1002/jhet.5570300113
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The diels-alder reaction of 5-aminopyrazole-4-carbonitrile with dmad: Synthesis and structural determination of dimethyl 2-( p-toluenesulfonylamino)-3-cyano-4-imino-1,4-dihydropyridine-5,6-dicarboxylate.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 295, doi. 10.1002/jhet.5570300153
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Naphth[1,2- d]oxazole intermediates in the preparation of 3-hydroxy-4-(1-alkyl-3-methyl-5-hydroxy-4-pyrazolyl)-azo-1-naphthalenesulfonamide dyes.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 135, doi. 10.1002/jhet.5570300124
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Studies on quinones. Part 25. Synthetic approaches to 6,9-dioxygenated-benzazepinones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 203, doi. 10.1002/jhet.5570300135
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Ring-cleavage of isoxazoles with heterocyclic amines. Synthesis of fused pyrimidines.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 33, doi. 10.1002/jhet.5570300106
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Synthesis of perhydropyrazino[1,2- d][1,4]diazepine, a new heterocyclic compound.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 275, doi. 10.1002/jhet.5570300146
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The structure of new cis and trans 3′-phenyl-3′,3a′,4′,5′,6′,7a′-hexahydro-2,1-benzisoxazole-7a′-spiro-2-(3-phenylaziridine).
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 97, doi. 10.1002/jhet.5570300117
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First synthesis of the benzo[ f]pyrido[2′,3′:3,4]-pyrrolo[2,1- a][2,7]naphthyridine ring system.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 157, doi. 10.1002/jhet.5570300128
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Cyclocondensation reaction of 1,2-diamino-4-methylbenzene and p-substituted acetophenones.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 229, doi. 10.1002/jhet.5570300139
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Synthesis of 1,2,4-triazolo[1,5- a]pyrimidine-2-sulfonamides.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 169, doi. 10.1002/jhet.5570300130
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On the formation of homo-aza-steroids and derivatives by beckmann rearrangement. Antitumor activity of stereoisomers homo-aza-steroidal esters.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 1, doi. 10.1002/jhet.5570300101
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A convenient synthesis of tricyclic purine derivatives.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 241, doi. 10.1002/jhet.5570300141
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Synthesis of C-24 β-lactams of bile acids.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 61, doi. 10.1002/jhet.5570300112
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Condensed as-triazines. Synthesis of 7-aryl-8 H-[1,4]thiazino[2,3- e]-1,2,4-triazin-3(2 H)-one.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 293, doi. 10.1002/jhet.5570300152
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Cyclocondensation of α-hydroxyimino-β-alkyl/arylimino-β-methylthioketones with hydrazine hydrate: Synthesis of 3(5)-aryl-5(3)-alkyl/arylamino-4-nitroso (or amino) pyrazoles.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 129, doi. 10.1002/jhet.5570300123
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Polycyclic N-heterocyclic compounds. XLI. Synthesis of 4-substituted 6,7-dihydro-5 H-pyrimido[5,4- d][1]benzazepines, 1,2,5,6-tetrahydro-4 H-imidazo[1′,2′:1,6]pyrimido[5,4- d][1]benzazepines and their related compounds as a series of potential blood platelet aggregation inhibitors
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 193, doi. 10.1002/jhet.5570300134
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Structural study of 3-methyl-2,4-diphenyl-3-azabicyclo[3.3.1]nonan-9β-ol.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 29, doi. 10.1002/jhet.5570300105
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Polycyclic pyridazines. II [3]. Synthesis of pyrazolo[4′,3′:5,6]pyrido[2,3- d]pyrid-azine derivatives from dimethyl pyrazolo[3,4- d]pyrid-azine-5,6-dicarboxylates as the key intermediates.
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- Journal of Heterocyclic Chemistry, 1993, v. 30, n. 1, p. 267, doi. 10.1002/jhet.5570300145
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