Works matching IS 0022152X AND DT 1990 AND VI 27 AND IP 6

Results: 63

A novel synthesis of the isoxazolo[5,4,3- kl]acridine ring system.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1617, doi. 10.1002/jhet.5570270617

By:

Shutske, Gregory M.

Publication type:

Article

Heterocyclic X-azolopyridine intermediates.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1825, doi. 10.1002/jhet.5570270657

By:

Viscardi, Guido;
Savarino, Piero;
Barni, Ermanno;
Carpignano, Rosarina

Publication type:

Article

A new and unexpected aminoisoquinoline formed under bischler-napieralski reaction conditions provides for A new synthesis of 3-aminoisoquinolines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1665, doi. 10.1002/jhet.5570270628

By:

Markovich, Kimberly M.;
Hamada, Akihiko;
Miller, Duane D.

Publication type:

Article

The reaction of amines with isoflavones. 2.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1727, doi. 10.1002/jhet.5570270639

By:

Olugbade, T. A.;
Usifoh, C. O.;
Oluwadiya, J. O.;
Reisch, J.

Publication type:

Article

Synthesis and regiospecificity in methylation of pyrido[1,2- a]pyrazinium-1- and 3-olates and pyrido[1,2- b]pyridazinium-2- and 4-olates.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1673, doi. 10.1002/jhet.5570270630

By:

Bátori, Sándor;
Messmer, András

Publication type:

Article

Preparation of potentially bioactive aza and thiaza polycyclic compounds containing a bridgehead nitrogen atom. Synthesis of pyrrolo[1,2,3- de]-1,4-benzothiazine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1521, doi. 10.1002/jhet.5570270601

By:

Armenise, Domenico;
Trapani, Giuseppe;
Arrivo, Vittorio;
Morlacchi, Flaviano

Publication type:

Article

On the methylation of 5-(4-alkoxyphenyl)-15-(4-pyridyl)porphyrins.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1733, doi. 10.1002/jhet.5570270641

By:

Roeterdink, F.;
van der Plas, H. C.

Publication type:

Article

Preparation of a variety of macrocyclic Di- and tetraamides and their peraza-crown analogs using the crab-like cyclization reaction.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1585, doi. 10.1002/jhet.5570270612

By:

Krakowiak, Krzysztof E.;
Bradshaw, Jerald S.;
Izatt, Reed M.

Publication type:

Article

Synthesis of 9-(hexane-1,6-diol-3-yl)purines, a novel series of acyclic nucleoside analogs and antiviral evaluation.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1801, doi. 10.1002/jhet.5570270652

By:

Legraverend, Michel;
Boumchita, Hassane;
Bisagni, Emile

Publication type:

Article

Synthèse et étude physicochimique des 1,2,4-triazolo[4,3- a]-pyridines et des 1,2,4-triazolo[2,3- a]pyridines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1649, doi. 10.1002/jhet.5570270623

By:

Bouteau, Brigitte;
Lancelot, Jean-Charles;
Robba, Max

Publication type:

Article

A new synthesis of 7-substituted 2,3-bis(alkylthio)naphth[1,8- bc]-azepines using the tris(alkylthio)cyclopropenyl cation.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1845, doi. 10.1002/jhet.5570270663

By:

Kojima, Hideo;
Ozaki, Kazuyoshi;
Matsumura, Noboru;
Inoue, Hiroo

Publication type:

Article

Derivation of fluorine-containing pyridine dicarboxylates IV. N-substituted dihydropyridine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1697, doi. 10.1002/jhet.5570270634

By:

Chupp, John P.

Publication type:

Article

An efficient synthesis of the novel triazoloquinazoline adenosine antagonist, CGS 15943.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1549, doi. 10.1002/jhet.5570270605

By:

Gelotte, Karl O.;
Mason, David N.;
Meckler, Harold;
Shieh, Wen-Chung;
Starkey, Colleen M.

Publication type:

Article

Synthesis of ellipticine and olivacine by the thermal electrocyclic reaction via pyridine 3,4-quinodimethane intermediates.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1751, doi. 10.1002/jhet.5570270645

By:

Hibino, S.;
Sugino, E.

Publication type:

Article

Synthesis of 5-methyl-4-oxo-quinolinecarboxylic acids.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1609, doi. 10.1002/jhet.5570270616

By:

Hagen, Susan E.;
Domagala, John M.

Publication type:

Article

Synthesis of 6-[[(hydroxyimino)phenyl]methyl]-1-[(1-methylethyl)sulfonyl]-1 H-imidazo[4,5- b]pyridin-2-amine. An aza analogue of enviroxime.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1821, doi. 10.1002/jhet.5570270656

By:

Kelley, James L.;
Mclean, Ed W.;
Davis, Ronda G.;
Crouch, Ronald

Publication type:

Article

Synthesis, stereochemistry and conformational properties of diastereomeric cyclic dipeptides containing tetrahydro-1,4-thiazine-3,5-dicarboxylic acid.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1661, doi. 10.1002/jhet.5570270627

By:

Paradisi, Mario Paglialunga;
Zecchini, Giampiero Pagani;
Torrini, Ines;
Lucente, Gino

Publication type:

Article

Chemistry of thienopyridines. XXXVIII. Diels-Alder reactions of thienopyridine sulfones. Part 2.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1721, doi. 10.1002/jhet.5570270638

By:

Klemm, L. H.;
Sur, Sandip K.;
Louris, John N.;
Tran, Long K.;
Yee, Sidney;
Hamilton, Steven R.

Publication type:

Article

Synthesis of 5-benzyl and 5-benzyloxybenzyl-3′-azido-2′,3′-dideoxyuridine and their analogues as potential anti-AIDS agents.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1569, doi. 10.1002/jhet.5570270609

By:

Pan, Bai-Chuan;
Weng, Zum-Yao;
Chen, Zhi-Hao;
Rowe, Elizabeth C.;
Chu, Shih-Hsi

Publication type:

Article

Assembled systems [picoline]-[X-azolopyridine]: Bases, salts and polymethine dyes.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1777, doi. 10.1002/jhet.5570270649

By:

Savarino, Piero;
Viscardi, Guido;
Barni, Ermanno;
Carpignano, Rosarina

Publication type:

Article

Orientational effect of the phenylsulfonyl group in the thermal spiroketalization of dihydroxyketone equivalents.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1729, doi. 10.1002/jhet.5570270640

By:

Alzérreca, Arnaldo;
Avilés, Mayra;
Collazo, Luis;
Prieto, Antonio

Publication type:

Article

Potassium fluoride-promoted reaction of (2-chloro-2-nitroethenyl)benzenes with 1,3-dicarbonyl compounds. A general synthesis of 6,6-dimethyl-2-nitro-3-phenyl-3,5,6,7-tetrahydro-4(2 H)benzofuranones and some analogs.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1581, doi. 10.1002/jhet.5570270611

By:

Dauzonne, Daniel;
Demerseman, Pierre

Publication type:

Article

N-chlorination of dilantin and sorbinil.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1793, doi. 10.1002/jhet.5570270651

By:

Lipinski, Christopher A.;
Bordner, Jon;
Butterfield, Garth C.;
Marinovic, Lilian C.

Publication type:

Article

Pyridazines. LII.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1645, doi. 10.1002/jhet.5570270622

By:

Haider, Norbert;
Heinisch, Gottfried;
Kemetmüller, Gudrun

Publication type:

Article

Synthesis of tetra-substituted furan derivatives from 1-arylpropane-2,3-diones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1843, doi. 10.1002/jhet.5570270662

By:

Jones, A. M.;
Simpson, A. J.;
Stanforth, S. P.

Publication type:

Article

On triazoles. XXII.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1689, doi. 10.1002/jhet.5570270633

By:

Reiter, József;
Pongó, László;
Pallagi, István

Publication type:

Article

Preparation, characterization and reactions of novel vicinal dibenzotriazol-1-yl derivatives of benzotriazole and glyoxal.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1543, doi. 10.1002/jhet.5570270604

By:

Katritzky, Alan R.;
Fan, Wei-Qiang

Publication type:

Article

Preparation, X-ray crystal structure and <sup>13</sup>C- and <sup>1</sup>H-NMR study of 1-methyl-2-( N-methyl- N-phenylglycyl)-3-( N-methylanilino)indole.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1745, doi. 10.1002/jhet.5570270644

By:

Farfán, Norberto;
Hernández, J. Manuel;
Joseph-Nathan, Pedro;
Contreras, Rosalinda

Publication type:

Article

Amine-induced rearrangements of 2-bromo-1-(1 H-indol-3-yl)-2-methyl-1-propanones: A new route to α-substituted indole-3-acetamides, β-substituted tryptamines, α-substituted indole-3-acetic acids and indole β-aminoketones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1601, doi. 10.1002/jhet.5570270615

By:

Sanchez, Joseph P.;
Parcell, Robert F.

Publication type:

Article

New cyclobutyl analogs of adenosine and guanosine. Part 1. Synthesis of the 9-[3,3-bis(hydroxymethyl)cyclobutyl]purine nucleoside analogs.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1815, doi. 10.1002/jhet.5570270655

By:

Boumchita, Hassane;
Legraverend, Michel;
Bisagni, Emile;
Huel, Christiane

Publication type:

Article

An improved synthesis of 5,15-diaryloctaalkylporphyrins.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1657, doi. 10.1002/jhet.5570270626

By:

Osuka, Atsuhiro;
Nagata, Toshi;
Kobayashi, Fumikazu;
Maruyama, Kazuhiro

Publication type:

Article

Synthesis and single-crystal X-ray diffraction analysis of 2-sulfamoyladenosine (6-amino-9-β-D-ribofuranosylpurine-2-sulfonamide).

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1713, doi. 10.1002/jhet.5570270637

By:

Hanna, Naeem B.;
Larson, Steven B.;
Robins, Roland K.;
Revankar, Ganapathi R.

Publication type:

Article

Reactions of triacetylmethane with monosubstituted hydrazines and amidine analogues. Syntheses of 4-acetyl-3,5-dimethylpyrazole amidinohydrazone and 1,3,5-triazine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1565, doi. 10.1002/jhet.5570270608

By:

Takagi, Kaname;
Bajnati, Abdelilah;
Hubert-Habart, Michel

Publication type:

Article

Polycyclic N-hetero compounds. XXXIII. Syntheses of 4-substituted 6,7-dihydro-5 H-benzo[6,7]-cyclohepta[1,2- d]pyrimidines and their inhibitory activities on platelet aggregation and on reserpine-induced hypothermia.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1771, doi. 10.1002/jhet.5570270648

By:

Sasaki, Kenji;
Hirota, Takashi;
Arimoto, Yuichi;
Satoh, Yoshiko;
Ohtomo, Hiromi;
Nakayama, Taiji

Publication type:

Article

Cycloaddition-elimination reactions of 5-imino-1,2,4-dithiazolidin-3-ones with heterocumulenes.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1629, doi. 10.1002/jhet.5570270619

By:

L'Abbé, Gerrit;
Vandendriessche, Anna

Publication type:

Article

The reaction of ethyl 4 H-pyran-4-one-2-carboxylate with 1,2-diaminobenzene.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1837, doi. 10.1002/jhet.5570270659

By:

Markees, Diether G.

Publication type:

Article

Carbazoledioxazines having long alkyl groups 1. Synthesis of carbazoledioxazines with linear type structure.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1575, doi. 10.1002/jhet.5570270610

By:

Ikeda, Masaaki;
Kitahara, Kiyoshi;
Nishi, Hisao;
Kozawa, Kozo;
Uchida, Tokiko

Publication type:

Article

A conformational analysis of the six isomers of oxybispyridine.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1787, doi. 10.1002/jhet.5570270650

By:

Dunne, Simon J.;
Summers, Lindsay A.;
Von Nagy-Felsobuki, Ellak I.

Publication type:

Article

Synthesis of derivatives of pyrazino[1,2- a]pyrimidin-4-ones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1639, doi. 10.1002/jhet.5570270621

By:

Dennin, F.;
Blondeau, D.;
Sliwa, H.

Publication type:

Article

A convenient large scale synthesis of 2,6-dimethyl-4-(trimethylstannyl)pyridine.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1841, doi. 10.1002/jhet.5570270661

By:

Singh, Baldev;
Lesher, George Y.;
Pennock, Patrick O.

Publication type:

Article

Synthesis and spectral data of 4,5-bis[5-aryl-1,3,4-oxadiazol-2-yl]-1-benzyl-1,2,3-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1685, doi. 10.1002/jhet.5570270632

By:

Theocharis, A. B.;
Alexandrou, N. E.

Publication type:

Article

Chemistry of thienopyridines. XXXVII. Syntheses in the cyclopenta, cyclohexa-, and cycloheptathieno[2,3- b]pyridine series. Three analogs of 9-amino-1,2,3,4-tetrahydroacridine.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1537, doi. 10.1002/jhet.5570270603

By:

Klemm, L. H.;
Wang, Jun;
Sur, Sandip K.

Publication type:

Article

Generation and dienophilic properties of 1-benzyl-1 H-1,2,3-triazolo[4,5- d]pyridazine-4,7-dione.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1741, doi. 10.1002/jhet.5570270643

By:

Theocharis, A. B.;
Alexandrou, N. E.;
Terzis, A.

Publication type:

Article

Reaction of pyridinium disubstituted methylides with diphenylcyclopropenethione.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1597, doi. 10.1002/jhet.5570270614

By:

Ikemi, Yukio

Publication type:

Article

Synthesis of the penta-glutamyl derivative of N-[4-[ N-[3-(2,4-diamino-1,6-dihydro-6-oxo-5-pyrimidinyl)-propyl]amino]benzoyl]-L-glutamic acid (5-DACTHF). An acyclic analogue of tetrahydrofolic acid.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1809, doi. 10.1002/jhet.5570270654

By:

Styles, Virgil L.;
Kelley, James L.

Publication type:

Article

1,3-dipolar cycloaddition as applied to the synthesis of 5-cyano-1-(1,1-dimethylethyl)- N-methyl-1 H-pyrazole-4-carboxamide.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1655, doi. 10.1002/jhet.5570270625

By:

Tao, E. V. P.;
Rizzo, John R.;
Aikins, James

Publication type:

Article

The improved convergent syntheses of arecolones and isoarecolone.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1709, doi. 10.1002/jhet.5570270636

By:

Ward, John S.;
Merritt, Leander

Publication type:

Article

Annelated piperazinyl-7,8-dihydro-6 H-thiopyrano[3,2- d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1559, doi. 10.1002/jhet.5570270607

By:

Wu, M. T.;
MacCoss, M.;
Ikeler, T. J.;
Hirshfield, J.;
Arison, B. H.;
Tolman, R. L.

Publication type:

Article

Thiophene systems. 11. The synthesis of novel thieno[4,3,2- de] tricyclic ring systems.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1761, doi. 10.1002/jhet.5570270647

By:

Russell, Ronald K.;
Rampulla, Richard A.;
van Nievelt, Caroline E.;
Klaubert, Dieter H.

Publication type:

Article

Synthesis and stereochemistry of tetrahydro-4-aryl-3-[(dimethylamino)methyl]-2 H-pyranols as potential analgesics.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 6, p. 1623, doi. 10.1002/jhet.5570270618

By:

Mohacsi, Erno;
O'Brien, Jay P.;
Blount, John F.;
Sepinwall, Jerry

Publication type:

Article