Works matching IS 0022152X AND DT 1991 AND VI 28 AND IP 3

Results: 50

Synthesis of brain-targeted 5-iodo-, 5-vinyl- and ( E)-5-(2-iodovinyl)-2′-deoxyuridines coupled to a dihydropyridine ⇌ pyridinium salt redox chemical delivery system.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 711, doi. 10.1002/jhet.5570280327

By:

Kumar, Rakesh;
Ji, Gueijun;
Wiebe, Leonard I.;
Knaus, Edward E.

Publication type:

Article

Proton-ionizable crown compounds. 20. The synthesis of polyazatriazolo-, polyazabistriazolo- and bispyridono-crown ligands containing lipophilic hydrocarbon substituents.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 773, doi. 10.1002/jhet.5570280338

By:

Bradshaw, Jerald S.;
Krakowiak, Krzysztof E.;
Huszthy, Peter;
Izatt, R. M.

Publication type:

Article

Isolation of 1,2,3,4-tetrahydrobenzo[ f]quinolin-2-ones on the reaction of 2-arylidenenaphthylamines with 4-hydroxycoumarin. IV.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 589, doi. 10.1002/jhet.5570280309

By:

Martínez, Roberto;
Cortés, Eduardo;
Toscano, Rubén A.;
Alfaro, L. Josué;
Avila, J. Gustavo

Publication type:

Article

Synthesis of 2-Aryl-3-hydroxy-4,9-dihydrocyclohepta[ b]pyran-4,9-diones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 817, doi. 10.1002/jhet.5570280349

By:

Jin, Young-Zhi;
Jin, Zhong-Tian;
Imafuku, Kimiaki

Publication type:

Article

Nitrogen Bridgehead Compounds. Part 81.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 781, doi. 10.1002/jhet.5570280340

By:

Hermecz, István;
Breining, Tibor;
Sessi, John;
Podányi, Benjamin

Publication type:

Article

Products from furans. XV.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 599, doi. 10.1002/jhet.5570280311

By:

Georgiadis, Minas P.;
Apostolopoulos, Costas D.;
Haroutounian, Serkos A.

Publication type:

Article

(±)-5′-Nor ribofuranoside carbocyclic guanosine.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 823, doi. 10.1002/jhet.5570280351

By:

Patil, Sharadbala D.;
Schneller, Stewart W.

Publication type:

Article

Synthèse de 2-pyrimidinylphénols et de 2-pyrazolylphénols.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 667, doi. 10.1002/jhet.5570280322

By:

Sacquet, Marie-Claude;
Fargeau-Bellassoued, Marie-Claude;
Graffe, Bernadette

Publication type:

Article

Substituent interaction with ring sulfur in some heterocyclic compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 749, doi. 10.1002/jhet.5570280333

By:

Mckinnon, David M.;
Abouzeid, A. A.

Publication type:

Article

Synthesis of 3-amino-5 H-1,2,3-triazino[5,4- b]indol-4-one. New compounds with blood platelet antiaggregation activity.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 557, doi. 10.1002/jhet.5570280304

By:

Monge, A.;
Aldana, I.;
Arrarás, J. A.;
Fernández-Alvarez, E.

Publication type:

Article

Study on the murexide reaction. V.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 801, doi. 10.1002/jhet.5570280344

By:

Koyama, Matajiro;
Kozuka, Hiroshi;
Takada, Atsushi

Publication type:

Article

Synthesis of (±)-pantolactone and (±)-dihydro-4-ethyl-3-hydroxy-4-methyl-2(3 H)-furanone.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 619, doi. 10.1002/jhet.5570280315

By:

Kinoshita, Takamasa;
Hirano, Madoka;
Miyake, Hiroyuki

Publication type:

Article

Identification, synthesis and conformational study of a CN( R,S) synthon by-product: (5 R, 10 R)-5,10-diphenyl-1,6-diaza-3,8-dioxabicyclo[4.4.1]undecane.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 705, doi. 10.1002/jhet.5570280326

By:

Aitken, David J.;
Guillaume, Dominique;
Husson, Henri-Philippe;
Chiaroni, Angèle;
Riche, Claude

Publication type:

Article

Synthesis of new 2-aryl-3,3a-dihydro-4-oxo-5 H-pyrazolo-[1,5- d][1,2,4]triazines and some of their derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 769, doi. 10.1002/jhet.5570280337

By:

Coudert, P.;
Mavel, S.;
Couquelet, J.;
Tronche, P.;
Rubat, C.;
Bastide, J.

Publication type:

Article

Homolytic alkylations of substituted pyridazines [1].

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 583, doi. 10.1002/jhet.5570280308

By:

Samaritoni, Jack G.;
Babbitt, George

Publication type:

Article

Halogenation and nitration of naphtho[1,2- c][1,2,5]thiadiazole.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 813, doi. 10.1002/jhet.5570280348

By:

Smith, Walter T.;
Patterson, John M.;
Kovelesky, Albert C.

Publication type:

Article

Synthesis and NMR spectroscopy (1H 13C) of 1-(2′-benzothiazolyl)-3(5),4-polymethylenepyrazoles and related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 647, doi. 10.1002/jhet.5570280319

By:

Elguero, J.;
Martinez, A.;
Singh, S. P.;
Kumar, D.

Publication type:

Article

Synthesis and spectroscopic characterization of 1-[1,2,3-triazol-1-yl]-4-aroylazetidin-2-ones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 593, doi. 10.1002/jhet.5570280310

By:

Bojilova, Anka;
Rodios, Nestor A.

Publication type:

Article

Trifluoromethyl substituted 4-pyrones via self-condensation of trifluoroacetoacetates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 819, doi. 10.1002/jhet.5570280350

By:

Babu, Srinivasan;
Pozzo, Mark J.

Publication type:

Article

The synthesis and chemistry of 5-carboxy-8-mercaptoquinoline hydrochloride monohydrate: An intermediate in the synthesis of novel H+,K+-ATPase inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 657, doi. 10.1002/jhet.5570280321

By:

Zawistoski, Michael P.

Publication type:

Article

Intramolecular photoreactions of 4-(ω-alkenyloxy)-6-methyl-2-pyrones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 745, doi. 10.1002/jhet.5570280332

By:

Shimo, Tetsuro;
Yasuda, Mitsuo;
Tajima, Jun;
Somekawa, Kenichi

Publication type:

Article

Heterocyclization of Acetamidrazones. I. Synthesis of 1,2,4-triazolo[4,3- a]pyridines via ring closure of 6-(2-acylhydrazino)pyridine intermediates.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 797, doi. 10.1002/jhet.5570280343

By:

Cocco, Maria Teresa;
Congiu, Cenzo;
Onnis, Valentina;
Maccioni, Antonio

Publication type:

Article

Synthesis and structure of pyrazolo[5,1- a]isoindol-8-ones from Aromatic Ortho Diesters.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 613, doi. 10.1002/jhet.5570280314

By:

Chupp, John P.;
Leo, Gregory C.;
Molyneaux, John M.

Publication type:

Article

Products from Furans. XVI.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 697, doi. 10.1002/jhet.5570280325

By:

Georgiadis, Minas P.;
Haroutounian, Serkos A.;
Couladouros, Elias A.;
Apostolopoulos, Costas D.;
Chondros, Kostas P.

Publication type:

Article

The convergent syntheses of pyrazinyl and quinoxalinyl phenylmethanones from 2-lithio pyrazines and quinoxalines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 765, doi. 10.1002/jhet.5570280336

By:

Ward, John S.;
Merritt, Leander

Publication type:

Article

The synthesis of aryl 4-nitro-5-imidazolyl sulfone radiation sensitizers sterically protected against glutathione reaction.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 577, doi. 10.1002/jhet.5570280307

By:

Egolf, Roger A.;
Heindel, Ned D.

Publication type:

Article

A convenient synthesis of 2-arylidene-3,8-dihydro-2 H-cyclohepta[ b]furan-3,8-diones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 811, doi. 10.1002/jhet.5570280347

By:

Jin, Zhong-Tian;
Liu, Zhong;
Imafuku, Kimiaki

Publication type:

Article

13C NMR investigation of tautomeric and acid-base equilibria of pyrazolone T and three analogs.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 641, doi. 10.1002/jhet.5570280318

By:

Bell, Sandra J.;
Mazzola, Eugene P.;
Dinovi, Michael J.;
Reynolds, William F.;
Nielsen, Kathy W.

Publication type:

Article

On triazoles XXIV.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 721, doi. 10.1002/jhet.5570280329

By:

Reiter, József;
Berecz, Gábor;
Pallagi, István

Publication type:

Article

Diheterocyclic compounds from dithiocarbamates and derivatives thereof. VI. unsymmetrical N1, N4-Bis(2-benzazolyl)sulphanilamides.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 653, doi. 10.1002/jhet.5570280320

By:

Meléndez, Enrique;
Merchán, Francisco L.;
Merino, Pedro;
Orduna, Jesús;
Urchegui, Raquel

Publication type:

Article

The synthesis of novel polycyclic heterocyclic ring systems via photocyclization. 4.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 737, doi. 10.1002/jhet.5570280331

By:

Luo, Jiann-Kuan;
Zektzer, Andrew S.;
Castle, Raymond N.

Publication type:

Article

Diels-alder reactions of cyclohexadienes derived from decarboxylation of photo[4 + 2]cycloadducts between 4,6-dimethyl-2-pyrone and cyclic olefins.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 549, doi. 10.1002/jhet.5570280302

By:

Shimo, Tetsuro;
Matsuo, Kenji;
Somekawa, Kenichi;
Tsuge, Otohiko

Publication type:

Article

Electrochemical oxidation of substituted pyrroles. III. Anodic oxidation of 2,5-diphenyl-3-acetylpyrrole.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 793, doi. 10.1002/jhet.5570280342

By:

Petruso, S.;
Caronna, S.;
Gambino, S.;
Filardo, G.;
Silvestri, G.

Publication type:

Article

Synthesis of bis-2,7-substituted 1,2,3,6,7,8-hexahydroisoindolo[5,6- f]isoindole-1,3,6,8-tetraones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 609, doi. 10.1002/jhet.5570280313

By:

Boykin, D. W.;
Nowak-Wydra, Barbara;
Baumstark, A. L.

Publication type:

Article

Quinolone antibacterials. 2. 6-Substituted-7-(2-thiazolyl and thiazolidinyl)quinolones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 685, doi. 10.1002/jhet.5570280324

By:

Zhang, M. Q.;
Haemers, A.;
Vanden Berghe, D.;
Pattyn, S. R.;
Bollaert, W.;
Levshin, I.

Publication type:

Article

Photochemical synthesis of 2-substituted benzothiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 759, doi. 10.1002/jhet.5570280335

By:

Muthusamy, Sengoden;
Paramasivam, Rangasamy;
Ramakrishnan, Vayalakkavoor T.

Publication type:

Article

Cycloaddition of benzothiete and electron-deficient nitriles.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 573, doi. 10.1002/jhet.5570280306

By:

Schmidt, Michael;
Meier, Herbert;
Saleh, Sadiq A.

Publication type:

Article

Design and synthesis of the 3′-aminocarbonylamino, aminothiocarbonylamino and N-(Hydroxy)guanidinyl derivatives of thymidine as potential anti-HIV agents.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 807, doi. 10.1002/jhet.5570280346

By:

Morin, Kevin W.;
Kumar, Rakesh;
Knaus, Edward E.;
Wiebe, Leonard I.

Publication type:

Article

Some new aspects related to the synthesis of meso-substituted porphyrins.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 635, doi. 10.1002/jhet.5570280317

By:

Gonsalves, A. M. d'A Rocha;
Varejão, Jorge M. T. B.;
Pereira, Mariette M.

Publication type:

Article

Synthesis and reactions of 3-carboxytropolone. Conversion to heterocycle-fused troponoid compounds.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 717, doi. 10.1002/jhet.5570280328

By:

Zhang, Luo-Cheng;
Imafuku, Kimiaki

Publication type:

Article

Syntheses and spectral properties of β-iodoureas and 2-amino-4,4-diphenyl-2-oxazolines.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 777, doi. 10.1002/jhet.5570280339

By:

Fernández, José M. García;
Mellet, Carmen Ortiz;
Adrián, M. Angeles Pradera;
Mota, José Fuentes

Publication type:

Article

Two-dimensional NMR studies of 2-substituted thioxanthene sulfoxides.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 731, doi. 10.1002/jhet.5570280330

By:

Mlotkowska, B. L.;
Cushman, James A.;
Harwood, J.;
Lam, W. W.;
Ternay, A. L.

Publication type:

Article

Synthesis of new polycyclic systems containing the pyrimido[2,1- a]phthalazine skeleton.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 545, doi. 10.1002/jhet.5570280301

By:

Santagati, Andrea;
Santagati, Maria;
Russo, Filippo

Publication type:

Article

A convenient synthesis of 5,14-methano-16-oxo-1,5,6-benzoxadiazonino[3,4- b]quinoxalines utilizing a 1,3-dipolar cycloaddition reaction and an intramolecular alcoholysis.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 787, doi. 10.1002/jhet.5570280341

By:

Kurasawa, Yoshihisa;
Kim, Ho Sik;
Katoh, Ritsuko;
Kawano, Tae;
Takada, Atsushi;
Okamoto, Yoshihisa

Publication type:

Article

1,3-Dipolar cycloadditions of nitrile oxides with 4-carbethoxymethyleno-4,5,6,7-tetrahydro-6,6-dimethylbenzo[ c][1,2,5]oxadiazole.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 605, doi. 10.1002/jhet.5570280312

By:

Koumbis, Alexandros E.;
Stephanidou-Stephanatou, Julia;
Alexandrou, Nicholas E.

Publication type:

Article

Quinolone antibacterials. 1. 7-(2-substituted-4-thiazolyl and thiazolidinyl)quinolones.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 673, doi. 10.1002/jhet.5570280323

By:

Zhang, M. Q.;
Haemers, A.;
Vanden Berghe, D.;
Pattyn, S. R.;
Bollaert, W.;
Levshin, I.

Publication type:

Article

Preparation of diastereomeric 5,8-methanobenzoxazino[2,1-6]- and [2,3-6]-1,3-benzoxazin-4-ones by reaction of norbornane/ene-condensed dihydro-1,3-oxazines with salicyl chloride.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 753, doi. 10.1002/jhet.5570280334

By:

Stájer, Géza;
Frimpong-Manso, Samuel;
Bernáth, Gábor;
Sohár, Pál

Publication type:

Article

On triazoles XXIII [1]. The reaction of 5-amino-1,2,4-triazoles with thiacyclohexane β-oxo esters [2].

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 561, doi. 10.1002/jhet.5570280305

By:

Reiter, József;
Esses-Reiter, Klára

Publication type:

Article

Ozonolysis of 5-bromo- and 5-ethoxy-2-phenyloxazoles. The products and the reaction mechanism.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 805, doi. 10.1002/jhet.5570280345

By:

Kashima, Choji;
Arao, Hideki

Publication type:

Article

Influence of the heterocyclic side ring on orientation during nitrations of 1,2-alkylenedioxy-annelated benzenes and their mononitro derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1991, v. 28, n. 3, p. 625, doi. 10.1002/jhet.5570280316

By:

Takakis, Ioannis M.;
Hadjimihalakis, Phaedon M.

Publication type:

Article