Works matching IS 0022152X AND DT 1987 AND VI 24 AND IP 4

Results: 60

Synthèse, à partir du (+) - camphre, d'hétérocycles dérives des tétrahydroxanthone, tétrahydroacridone, tétrahydroacridine et octahydroacridine.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 907, doi. 10.1002/jhet.5570240404

By:

Sotiropoulos, Jean;
El Batouti, Nagui;
Lamazouère, Anne-Marie

Publication type:

Article

Intramolecular cyclization of ethyl ω-(5-amino-4-aminocarbonylimidazol-1-yl)carboxylates.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1155, doi. 10.1002/jhet.5570240444

By:

Bridson, P. K.;
McGowan, A.;
Wilson, C. M.;
Yeh, Y. M.

Publication type:

Article

Synthesis of 2 H-indazole-4,7-dione derivatives from 3-phenylsydnone and p-toluquinone. The crystal and molecular structure of 6-bromo-5-methyl-2-phenyl-2 H-indazole-4,7-dione.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 971, doi. 10.1002/jhet.5570240415

By:

Nan'ya, Seiko;
Katsuraya, Kaname;
Maekawa, Eturǒ;
Kondo, Kazumoto;
Eguchi, Shoji

Publication type:

Article

Thermal ring transformation of 5-aryl-2-carbazoyl-1,2,3,4-tetrazole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1233, doi. 10.1002/jhet.5570240459

By:

Milcent, René;
Barbier, Géo

Publication type:

Article

Synthesis of antimicrobial agents. II. Syntheses and antibacterial activities of optically active 7-(3-hydroxypyrrolidin-1-yl)quinolones.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1025, doi. 10.1002/jhet.5570240423

By:

Uno, Toshio;
Iuch, Koji;
Kawahata, Yoshihiro;
Tsukamoto, Goro

Publication type:

Article

The synthesis of halogenated pyridines substituted at the carbon atom C-3.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1093, doi. 10.1002/jhet.5570240434

By:

Sutter, Peter;
Weis, Claus D.

Publication type:

Article

The demethylation chemistry of 3-substituted 2-methoxypyridines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 901, doi. 10.1002/jhet.5570240403

By:

Balko, T. W.;
Brinkmeyer, R. S.

Publication type:

Article

A convenient and one-pot synthesis of 9-substituted carbazoles from primary amine hydrochlorides and 2,5-dimethoxytetrahydrofuran.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 913, doi. 10.1002/jhet.5570240405

By:

Kashima, Choji;
Hibi, Shigeki;
Maruyama, Tatsuya;
Harada, Kazuo;
Omote, Yoshimori

Publication type:

Article

Synthesis and reactions of pyrrolo[1,2- a][3,1,6]benzothiadiazocines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1157, doi. 10.1002/jhet.5570240445

By:

Cheeseman, G. W. H.;
Varvounis, G.

Publication type:

Article

Syntheses of 1-, 2-, 3- and 4-acridinecarbaldehydes.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 977, doi. 10.1002/jhet.5570240416

By:

Takahashi, Kazufumi;
Castle, Raymond N.;
Lee, Milton L.

Publication type:

Article

The synthesis of 5- and 6-acyl-2(1 H)-pyrimidinones.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1221, doi. 10.1002/jhet.5570240456

By:

Jones, Winton D.;
Huber, Edward W.;
Grisar, J. Martin;
Schnettler, Richard A.

Publication type:

Article

Nitrogen bridgehead compounds. Part 72.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1045, doi. 10.1002/jhet.5570240427

By:

Hermecz, István;
Horváth, ágnes;
Podányi, Benjamin;
Vasvári-Debreczy, Lelle;
Mészáros, Zoltán;
Szász, György;
Kökösi, József

Publication type:

Article

[2 + 2] Cycloaddition reactions of unsymmetrically substituted carbodiimides.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1121, doi. 10.1002/jhet.5570240438

By:

Ulrich, Henri;
Richter, Reinhard;
Tucker, Benjamin

Publication type:

Article

Methylation of 3-methyl- and 3-phenyl-4-arylhydrazonoisoxazol-5-ones with diazomethane.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 933, doi. 10.1002/jhet.5570240409

By:

Singh, Shyam K.;
Summers, Lindsay A.

Publication type:

Article

Selenium dioxide oxidation of tetrahydro-β-carboline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1183, doi. 10.1002/jhet.5570240449

By:

Gatta, Franco;
Misiti, Domenico

Publication type:

Article

Synthesis of the new pyrido[1,2- c]benzo- v-triazinium system via valence bond isomerization.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1133, doi. 10.1002/jhet.5570240440

By:

Messmer, A.;
Hajós, Gy.;
Giber, J.;
Holly, S.

Publication type:

Article

Synthesis of N-(chloromethyl)-2,6-diethylcarbaniloyl chloride ( 1) and derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 945, doi. 10.1002/jhet.5570240411

By:

D'amico, John J.;
Bollinger, Frederic G.;
Tung, Ching C.;
Dahl, William E.

Publication type:

Article

Heterocyclic systems. VII.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1199, doi. 10.1002/jhet.5570240451

By:

Stefancich, Giorgio;
Corelli, Federico;
Massa, Silvio;
Silvestri, Romano;
Di Santo, Roberto

Publication type:

Article

A comparison of nucleophilic reactions of 3-benzenesulfonyloxyalloxazine and its 1-methyl analog.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1013, doi. 10.1002/jhet.5570240422

By:

Hamby, James M.;
Bauer, Ludwig

Publication type:

Article

Proton-ionizable crown compounds. 13. Synthesis and structural studies of crown compounds containing the triazole subcyclic unit and lipophilic substituents.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1085, doi. 10.1002/jhet.5570240433

By:

Bradshaw, Jerald S.;
Mcdaniel, Christopher W.;
Skidmore, Brett D.;
Nielsen, Ralph B.;
Wilson, Bruce E.;
Dalley, N. Kent;
Izatt, Reed M.

Publication type:

Article

A convenient synthesis of novel pyridazino[3,4-b]quinoxalines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1219, doi. 10.1002/jhet.5570240455

By:

Kurasawa, Yoshihisa;
Arai, Harumi;
Arai, Kiyoko;
Satoh, Atsushi;
Ninomiya, Satoyuki;
Okamoto, Yoshihisa;
Takada, Atsushi

Publication type:

Article

Pyrrolocoumarin derivatives as potential photoreagents toward DNA.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1041, doi. 10.1002/jhet.5570240426

By:

Rodighiero, P.;
Chilin, A.;
Pastorini, G.;
Guiotto, A.

Publication type:

Article

Mass spectral fragmentation patterns of 2-methyl-, 2,3-methyl-, 2,3-dimethyl-, 2-aryl- and 3-phenylindole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1117, doi. 10.1002/jhet.5570240437

By:

Erra-Balsells, Rosa

Publication type:

Article

Synthesis of heterocycles. Part VII.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1173, doi. 10.1002/jhet.5570240448

By:

Eweiss, N. F.;
Bahajaj, A. A.

Publication type:

Article

Improved syntheses of 6-hydroxy-5-methoxy- and 5-hydroxy-6-methoxyindoles and their O-acetates, analogs of natural eumelanin precursors.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 941, doi. 10.1002/jhet.5570240410

By:

Rogers, C. Bradford;
Blum, Charles A.;
Murphy, Bryan P.

Publication type:

Article

Synthesis of phosphacoumarins and phosphonocoumarins. Two new classes of fluorescent dyes.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 931, doi. 10.1002/jhet.5570240408

By:

Chen, Chin H.;
Fox, John L.;
Lippert, Joseph L.

Publication type:

Article

'One pot' synthesis of 2,9-disubstituted 8-azaadenines (3,5-disubstituted 7-amino-3 H-1,2,3-triazolo[4,5- d]pyrimidines).

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 997, doi. 10.1002/jhet.5570240419

By:

Barili, Pier Luigi;
Biagi, Giuliana;
Livi, Oreste;
Mucci, Luciana;
Scartoni, Valerio

Publication type:

Article

Synthesis of [1]benzothienonaphthyridines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1009, doi. 10.1002/jhet.5570240421

By:

Kudo, Hirotaka;
Takahashi, Kazufumi;
Castle, Raymond N.;
Lee, Milton L.

Publication type:

Article

Isolement de nouveaux complexes de zinc de dipyrrométhènes formés au cours de la synthèse de la méso-tétramésitylporphyrine par la réaction de Rothemund.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1037, doi. 10.1002/jhet.5570240425

By:

Marchon, J.-C.;
Ramasseul, R.;
Ulrich, J.

Publication type:

Article

Proton-ionizable crown compounds. 10. Preparation and structural studies of macrocyclic ligands containing two sulfonamide units and with seventeen to twenty-six ring members.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1077, doi. 10.1002/jhet.5570240432

By:

Bradshaw, Jerald S.;
Koyama, Hiroyuki;
Dalley, N. Kent;
Izatt, Reed M.;
Biernat, Jan F.;
Bochenska, Maria

Publication type:

Article

Chemistry of amino acid thionoester derivatives. An unexpected change in the reaction course between heterocyclic-2-carboxylic acid hydrazides and N-substituted thionoglycinates. Preferential formation of 4-amino-1,2,4-triazole adducts over 1,3,4-oxadiazole products

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1189, doi. 10.1002/jhet.5570240450

By:

Sikorski, James A.;
Mischke, Deborah A.;
Schulte, Brett J.

Publication type:

Article

A new method for the synthesis of novel 6-quinoxalinylpyrazolo[5,1-c][1,2,4]triazines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1229, doi. 10.1002/jhet.5570240458

By:

Kurasawa, Yoshihisa;
Satoh, Atsushi;
Ninomiya, Satoyuki;
Arai, Harumi;
Arai, Kiyoko;
Okamoto, Yoshihisa;
Takada, Atsushi

Publication type:

Article

Electron impact mass spectrometry of polyannulated oxygen heterocycles with cyclic orthoester or acetal moieties.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 895, doi. 10.1002/jhet.5570240402

By:

Bravo, Pierfrancesco;
Ticozzi, Calimero;
Maccioni, Anna Maria;
Traldi, Piero

Publication type:

Article

Benzofuran derivatives. Part 3.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 965, doi. 10.1002/jhet.5570240414

By:

Horaguchi, Takaaki;
Matsuda, Shinichi;
Tanemura, Kiyoshi;
Suzuki, Tsuneo

Publication type:

Article

On triazoles. VII.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 927, doi. 10.1002/jhet.5570240407

By:

Reiter, József;
Pongó, László;
Krajcsi, Péter;
Esses-Reiter, Klára;
Sohár, Pál;
Molnár, Hilda;
Dvortsák, Péter

Publication type:

Article

On triazoles. VIII.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1149, doi. 10.1002/jhet.5570240443

By:

Reiter, József;
Pongó, László;
Dvortsák, Péter

Publication type:

Article

Synthesis of aminomethyl and amino analogs of 5-benzylacyclouridine and 5-benzyloxybenzylacyclouridine.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 989, doi. 10.1002/jhet.5570240418

By:

Chu, Shih Hsi;
Chen, Zhi Hao;
Weng, Zun Yao;
Rowe, Elizabeth C.;
Chu, Edward;
Chu, Ming-Yu Wang

Publication type:

Article

Further study on 1,3-dialkylaminouracil with dimethyl acetylenedicarboxylate.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1215, doi. 10.1002/jhet.5570240454

By:

Itoh, Tsuneo;
Fujii, Ikuko;
Tomii, Yasuo;
Ogura, Haruo;
Mizuno, Yoshihisa;
Kawahara, Norio

Publication type:

Article

Synthesis of 3-alkyl-6-phenyl-4(3 H)-pteridinones and their 8-oxides. Potential substrates of xanthine oxidase.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1109, doi. 10.1002/jhet.5570240436

By:

De Meester, J. W. G.;
Kraus, W.;
Van Der Plas, H. C.;
Brons, H. J.;
Middelhoven, W. J.

Publication type:

Article

Synthesis of 2-(β-D-ribofuranosyl)pyrimidines, A new class of C-nucleosides.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 955, doi. 10.1002/jhet.5570240413

By:

Riley, Timothy A.;
Hennen, William J.;
Dalley, N. Kent;
Wilson, Bruce E.;
Robins, Roland K.;
Larson, Steven B.

Publication type:

Article

Synthesis of some new 4-imino-3,5,7-trisubstituted-pyrido[2,3- d]pyrimidine-2(1 H)-thiones.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1169, doi. 10.1002/jhet.5570240447

By:

Verma, S. S.;
Taneja, P.;
Mital, R. L.;
Prakash, L.

Publication type:

Article

The synthesis of methyl 1-aryl-2-pyrrolecarboxylates.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1137, doi. 10.1002/jhet.5570240441

By:

Kiely, John S.;
Huang, Suchin

Publication type:

Article

A new synthesis of aryl hetaryl ketones via S<sub> RN</sub>1 reactions of halogenated heterocycles with potassiophenylacetonitrile followed by phase-transfer catalyzed decyanation.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1061, doi. 10.1002/jhet.5570240429

By:

Hermann, Christine K. F.;
Sachdeva, Yesh P.;
Wolfe, James F.

Publication type:

Article

Synthesis of nitro and amino N-heterocycles via ring transformation of 2-methyl-3-nitrochromone.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1003, doi. 10.1002/jhet.5570240420

By:

Takagi, Kaname;
Tanaka, Masaaki;
Murakami, Yukitoshi;
Ogura, Kuniyoshi;
Ishii, Katsuyuki;
Morita, Hikari;
Aotsuka, Tomoji

Publication type:

Article

Asymmetric synthesis via heterocyclic intermediates. I. Synthesis of 3,4-dihydro-11a-( S)-methyl-4-( R)-phenyl-1,4-oxazino[4,3- b]isoquinolin-1(6 H,11 H)-one.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1235, doi. 10.1002/jhet.5570240460

By:

Marco, José L.

Publication type:

Article

Flash vacuum pyrolysis of 3- t-butylindeno[1,2- c]isoxazol-4-one. Formation of 2-carbonyl-1,3-indandione 2-azine.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1073, doi. 10.1002/jhet.5570240431

By:

Pérez, Jorge D.;
Wunderlin, Daniel A.;
Lemke, Thomas L.;
Sawhney, Kailash N.

Publication type:

Article

Heterocycles. Part XII. Synthesis of new benzo[6,7]cyclohepta[1,2- d]pyrimidine.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1141, doi. 10.1002/jhet.5570240442

By:

El-Rayyes, N. R.;
Ramadan, H. M.

Publication type:

Article

Tandem arylation-reduction of acyl heterocycles. Convenient synthesis of benzyl heterocycles.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1205, doi. 10.1002/jhet.5570240453

By:

Hall, Stan S.;
Farahat, Sami E.

Publication type:

Article

Mass spectral fragmentation pattern of 4-carboxy-and 4-methoxycarbonyl-5-methyl(or phenyl)-2-aryl-2 H-1,2,3-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1029, doi. 10.1002/jhet.5570240424

By:

Keats, Neil G.;
Singh, Shyam K.;
Summers, Lindsay A.

Publication type:

Article

The synthesis of monomethoxy[1]benzothieno[2,3- c]quinolines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 4, p. 1103, doi. 10.1002/jhet.5570240435

By:

Castle, Steven L.;
Buckhaults, Phillip J.;
Baldwin, Larry J.;
McKenney, J. Dew;
Castle, Raymond N.

Publication type:

Article