Works matching IS 0022152X AND DT 1997 AND VI 34 AND IP 3

Results: 57

Ring transformation of 5-amino (or acylamino)-6-hydroxy (or benzoyloxy)methylpyrimidin-4(3 H)-ones into 1 H-imidazoles.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 761, doi. 10.1002/jhet.5570340310

By:

Ueda, Taisei;
Asai, Satoko;
Oiji, Khoji;
Nagai, Shin-Ichi;
Nagatsu, Akito;
Sakakibara, Jinsaku

Publication type:

Article

Synthesis of novel heterocycles from 2-amino-3-cyanomethyl-sulfonyl-4,5-dimethylfuran.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 857, doi. 10.1002/jhet.5570340324

By:

Stephens, Chad E.;
Sowell, J. Walter

Publication type:

Article

A cyclopropenone route to new pyrrolizidine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 757, doi. 10.1002/jhet.5570340309

By:

Kascheres, Albert;
Schumacher, Heloisa C.;
Rodrigues, Reinaldo A. F.

Publication type:

Article

13C-NMR study of 4 H-1,3,4-thiadiazino[5,6- b]quinoxalines. A proof for the N5-deuteration in deuteriotrifluoroacetic acid.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1029, doi. 10.1002/jhet.5570340349

By:

Kim, Ho Sik;
Okamoto, Yoshihisa;
Kurasawa, Yoshihisa

Publication type:

Article

Methanetricarboxylates as key reagents for the simple preparation of heteroarylcarboxamides with potential biological activity. Part 1 reaction of methanetricarboxylates with indoline and 1,2,3,4-tetrahydroquinoline.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 969, doi. 10.1002/jhet.5570340340

By:

Kutyrev, Alexander;
Kappe, Thomas

Publication type:

Article

Synthesis, structure and reactivity of imidazo[1,2- a][1,8]naphthyridines.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 765, doi. 10.1002/jhet.5570340311

By:

Gueiffier, Alain;
Viols, Henri;
Blache, Yves;
Chapat, Jean Pierre;
Chavignon, Olivier;
Teulade, Jean Claude;
Fauvelle, Florence;
Grassy, Gérard;
Dauphin, Gérard

Publication type:

Article

Stereoselective Michael addition of 6-amino-1,3-dimethyl-2,4-pyrimidinedione to the exocyclic methylene of three sesquiterpene lactones. 1H and 13C NMR evidence of a new C-C bond and lactam formation.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1037, doi. 10.1002/jhet.5570340351

By:

Dfaz, Eduardo;
Barrios, Hector;
Nava, Jose Luis;
Enriquez, Raul G.;
Guzmán, Angel;
Leticia, León G.;
Fuentes, Jose Fernando;
Aidee, Fuentes B.;
Quintero, Angelina;
Solano, Jose Dolores

Publication type:

Article

Synthesis of new 1,2,3-triazolo[1,2- a]benzotriazole derivatives or substituted 2,3-benzo-1,3a,6,6a-tetraazapentalenes. II.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 845, doi. 10.1002/jhet.5570340322

By:

Biagi, Giuliana;
Giorgi, Irene;
Livi, Oreste;
Manera, Clementina;
Scartoni, Valerio;
Barili, Pier Luigi

Publication type:

Article

Synthesis of 6-cyanopurines and the isolation and X-ray structure of novel 2 H-pyrroles.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 739, doi. 10.1002/jhet.5570340306

By:

Alves, M. José;
Carvalho, M. Alice;
Proença, M. Fernanda J.R.P.;
Booth, Brian L.;
Pritchard, Robin G.

Publication type:

Article

Furopyridines. XXIII.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 925, doi. 10.1002/jhet.5570340333

By:

Shiotani, Shunsaku;
Taniguchi, Katsunori

Publication type:

Article

Substituted ethyl 2-acyl-3-amino-6-methylthieno[2,3- b]pyridine-4-carboxylates as synthons for novel heterocycles.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 729, doi. 10.1002/jhet.5570340304

By:

Coppo, Frank T.;
Fawzi, Maged M.

Publication type:

Article

Thermolysis of 3-azidophenalen-1-ones to naphtho[8,1- ab]carbazolones and naphtho[8,1- ab]-8a-azonia-9-λ2-azafluoren-7-ones.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 993, doi. 10.1002/jhet.5570340344

By:

Fischer, Michaela;
Stadlbauer, Wolfgang

Publication type:

Article

Thermolysis of N-allylic 1,2,4-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 797, doi. 10.1002/jhet.5570340315

By:

Carlsen, Per H. J.;
Jørgensen, Kåre B.

Publication type:

Article

A two-step synthesis of diaminofurazan and synthesis of N-monoarylmethyl and N,N′-diarylmethyl derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1057, doi. 10.1002/jhet.5570340355

By:

Zelenin, Alexander K.;
Trudell, Mark L.

Publication type:

Article

Synthesis of nitrogen-containing heterocycles. 8.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 871, doi. 10.1002/jhet.5570340326

By:

Miyamoto, Yoshiko;
Yamazaki, Chiji

Publication type:

Article

Synthesis and spectral properties of 2,3-dihydro-4-( paramethylphenyl)-7-[( o, m-, and p-substituted)phenoxy]-1 H-1,5-benzodiazepine-2-thiones.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 953, doi. 10.1002/jhet.5570340337

By:

Cortés, Eduardo Corés;
Torres, Mario Martínez

Publication type:

Article

Synthesis and aggregation of cationic porphyrins.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 749, doi. 10.1002/jhet.5570340308

By:

Dancil, Keiki-Pua S.;
Hilario, Lynn F.;
Khoury, Richard G.;
Mai, Kim U.;
Nguyen, Chi K.;
Weddle, Katherine S.;
Shachter, Amy M.

Publication type:

Article

Studies on the chemistry of O,N- and S,N-containing heterocycles. 16.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 823, doi. 10.1002/jhet.5570340319

By:

Pippich, Susanne;
Bartsch, Herbert;
Erker, Thomas

Publication type:

Article

Synthesis, pharmacokinetics, and biological activity of a series of new pyridonecarboxylic acid antibacterial agents bearing a 5-fluoro-2-pyridyl group or a 3-fluoro-4-pyridyl group at N-1.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1021, doi. 10.1002/jhet.5570340348

By:

Yoon, Sung June;
Chung, Yong Ho;
Lee, Chi Woo;
Oh, Yoon Seok;
Choi, Dong Rack;
Kim, Nam Doo;
Lim, Jae Kyung;
Jin, Yoon Ho;
Lee, Dug Keun;
Lee, Won Yong

Publication type:

Article

Cyclocondensation reaction of a 1,5-diketone with 1,2-diamines.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1033, doi. 10.1002/jhet.5570340350

By:

Márton-Merész, Magda;
Zára-Kaczián, Erzsébet;
Boros, Sándor;
Mátyus, Péter

Publication type:

Article

Synthesis of tricyclic and tetracyclic thieno[3,2- f]-1,4-thiazepines.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 921, doi. 10.1002/jhet.5570340332

By:

Tanaka, Hiroshi;
Nakao, Tohru

Publication type:

Article

A new type of reaction between o-phenylenediamines and aromatic aldehydes to give 2,3-diarylquinoxalines.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1053, doi. 10.1002/jhet.5570340354

By:

Ochoa, Carmen;
Rodriguez, Juan

Publication type:

Article

Furopyridines. XXIV.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 941, doi. 10.1002/jhet.5570340336

By:

Shiotani, Shunsaku;
Kurosaki, Masahide;
Taniguchi, Katsunori;
Moriyama, Miwa

Publication type:

Article

Synthesis of chirally pure 2,5-disubstituted diketopiperazines derived from trisubstituted phenylalanines.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 835, doi. 10.1002/jhet.5570340321

By:

Danthi, Satyavijayan Narasimhan;
Hill, Ronald A.

Publication type:

Article

Syntheses of five potential heterocyclic amine food mutagens.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 717, doi. 10.1002/jhet.5570340303

By:

Tanga, M. J.;
Bupp, J. E.;
Tochimoto, T. K.

Publication type:

Article

Thermal reactions of 2-(2-oxo-3-nitro-4-quinolinyl)malonates.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 989, doi. 10.1002/jhet.5570340343

By:

Täubl, A. Elisabeth;
Stadlbauer, Wolfgang

Publication type:

Article

Synthesis of some piperazinylpyrazolo[3,4- b]pyridines as selective serotonin re-uptake inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 789, doi. 10.1002/jhet.5570340314

By:

Shutske, Gregory M.;
Roehr, Joachim E.

Publication type:

Article

Synthesis of racemic and enantiomerically pure 2′-thia-2′,3′-dideoxycytidine as potential anti-hepatitis B virus agents.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 909, doi. 10.1002/jhet.5570340330

By:

Pan, Bai-Chuan;
Cheng, Yung-Chi;
Chu, Shih-Hsi

Publication type:

Article

Nitration in the imidazo[1,2- a]pyrazine series. Experimental and computational results.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 701, doi. 10.1002/jhet.5570340301

By:

Vitse, Olivier;
Bonnet, Pierre-Antoine;
Bompart, Jacques;
Viols, Henri;
Subra, Guy;
Chapat, Jean-Pierre;
Grassy, Gérard

Publication type:

Article

Photocyclization reactions. Part 6.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 861, doi. 10.1002/jhet.5570340325

By:

Sharshira, Essam Mohamed;
Okamura, Mutsuo;
Hasegawa, Eietsu;
Horaguchi, Takaaki

Publication type:

Article

Synthesis and spectral properties of methyl 5-[( o-, m-, and p-R)-phenoxy]-2-benzimidazolecarbamate.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 745, doi. 10.1002/jhet.5570340307

By:

Cortés, Eduardo Cortés;
Anaya, Luis Angel Araluce

Publication type:

Article

Direct introduction of heterocyclic residues into 1,2,4-triazin-5(2 H)ones.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1013, doi. 10.1002/jhet.5570340347

By:

Rusinov, Vladimir L.;
Zyryanov, Grigori V.;
Pilicheva, Tatjana L.;
Chupakhin, Oleg N.;
Neunhoeffer, Hans

Publication type:

Article

Unexpected formation of a xanthone in the synthesis of a bisbenzoxazole.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 817, doi. 10.1002/jhet.5570340318

By:

Dotrong, My;
Lovejoy, Steven M.;
Wolfe, James F.;
Evers, Robert C.

Publication type:

Article

Furopyridines. XXII.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 901, doi. 10.1002/jhet.5570340329

By:

Shiotani, Shunsaku;
Tanigochi, Katsunori

Publication type:

Article

Urea cyclisation reaction studies.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 829, doi. 10.1002/jhet.5570340320

By:

Niddam, Valérie;
Medou, Martial;
Dessolin, Jean;
Trabaud, Carole;
Camplo, Michel;
Kraus, Jean-Louis

Publication type:

Article

Cyclocondensation reactions of heterocyclic carbonyl compounds.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 917, doi. 10.1002/jhet.5570340331

By:

Hlaváč, Jan;
Slouka, Jan

Publication type:

Article

Nucleophilic addition to substituted 1 H-4,5-dihydroimidazolium salts.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 709, doi. 10.1002/jhet.5570340302

By:

Salerno, Alejandra;
Ceriani, Vanina;
Perillo, Isabel A.

Publication type:

Article

A built-in route leading to a self-inclusion complex of 6A,6B-(bis- O-p-allyloxyphenyl)hexakis(2,3-di- O-methyl)-α-cyclodextrin.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 983, doi. 10.1002/jhet.5570340342

By:

Chen, Zhen;
Bradshaw, Jerald S.;
Habata, Yoichi;
Lee, Milton L.

Publication type:

Article

Functionalization and cyclization reactions of various acetanilides with 4-benzoyl-5-phenyl-2,3-furandione. Experimental and theroetical investigations.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1047, doi. 10.1002/jhet.5570340353

By:

Yildirim, Ismail;
Ilhan, I. Özer

Publication type:

Article

Synthesis of new type benzo[ b]thiophene fused quinones and their tetracyanoquinodimethane derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 781, doi. 10.1002/jhet.5570340313

By:

Ohba, Yoshihiro;
Murakami, Yasuo;
Sone, Tyo;
Awano, Hiroshi

Publication type:

Article

A novel route to 1-benzyl-1,2,4-triazole derivatives through disproportionation of isothiosemicarbazones.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 733, doi. 10.1002/jhet.5570340305

By:

Yamazaki, Chiji;
Ohno, Mariko

Publication type:

Article

Compounds based on meso-tri(4-pyridyl)- p-acrylamidophenylporphyrin able to interact with DNA.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 999, doi. 10.1002/jhet.5570340345

By:

Li, Handong;
Czuchajowski, Leszek;
Trumble, William R.

Publication type:

Article

Synthesis and S-methylation of 2-thioxopyrido[3′,2′:4,5]thieno[3,2- d]-pyrimidin-4(3 H)-ones with and without a phase transfer catalyst.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 937, doi. 10.1002/jhet.5570340335

By:

Dave, Chaitanya G.;
Shah, A. B.;
Shah, H. C.

Publication type:

Article

Singlet and triplet photocycloaddition reactions of 2-pyridones with propenoate and 2,4-pentadienotes, and the frontier molecular orbital analysis.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1005, doi. 10.1002/jhet.5570340346

By:

Suishu, Takaaki;
Tsuru, Seiichiro;
Shimo, Tetsuro;
Somekawa, Kenichi

Publication type:

Article

Methyl 2-[bis(acetyl)ethenyl]aminopropenoate in the synthesis of heterocyclic systems.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 813, doi. 10.1002/jhet.5570340317

By:

Selič, Lovro;
Stanovnik, Branko

Publication type:

Article

On the synthesis and isolation of chlorocarbazoles obtained by chlorination of N-substituted carbazoles.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 891, doi. 10.1002/jhet.5570340328

By:

Bonesi, Sergio M.;
Erra-Balsells, Rosa

Publication type:

Article

An improved process of separation of R- and S-timolol.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 1065, doi. 10.1002/jhet.5570340357

By:

Várkonyi-Schlovicskó, Erika;
Takács, Kálmán;
Hermecz, István

Publication type:

Article

ω-Dialkylaminoalkyl ethers of phenyl-(5-substituted 1-phenyl-1 H-pyrazol-4-yl)methanols with analgesic and anti-inflammatory activity.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 963, doi. 10.1002/jhet.5570340339

By:

Menozzi, Giulia;
Mosti, Luisa;
Fossa, Paola;
Mattioli, Francesca;
Ghia, Marco

Publication type:

Article

The synthesis of azahomotryptophane derivatives. The transformation of N-trifluoroacetyl-5-bromo-4-oxonorvaline methyl ester into 4-(imidazo[1,2- a]azinyl-3)-4-oxohomoalanine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 853, doi. 10.1002/jhet.5570340323

By:

Škof, Marko;
Svete, Jurij;
Stanovnik, Branko

Publication type:

Article

Synthesis and structural characterization of substituted thieno[2,3- b]pyridines from o-chloroformyl-1,4-dihydropyridines.

Published in:

Journal of Heterocyclic Chemistry, 1997, v. 34, n. 3, p. 931, doi. 10.1002/jhet.5570340334

By:

Suárez, Margarita;
Ochoa, Estael;
Pita, Beatriz;
Espinosa, Remberto;
González, Leandro;
Martín, Nazario;
Quinteiro, Margarita;
Seoane, Carlos;
Soto, Jose L.

Publication type:

Article