Works matching IS 0022152X AND DT 1989 AND VI 26 AND IP 1

Results: 47

A simple synthesis of a new family of polycyclic oxygen containing heterocycles.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 65, doi. 10.1002/jhet.5570260113

By:

Geoffrey, Philippe;
Carre, Marie-Christiane;
Caubere, Paul;
Ianelli, Sandra;
Nardelli, Mario

Publication type:

Article

Reactions of 2-, 3-, and 4-( N-nitroso)methylaminopyridine with esters containing active methylene groups.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 155, doi. 10.1002/jhet.5570260128

By:

Kiriazis, L.;
Kalatzis, E.;
Alexandrou, N. E.

Publication type:

Article

Novel resolution of chiral lactams.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 133, doi. 10.1002/jhet.5570260124

By:

Ürögdi, László;
Kisfaludy, Lajos;
Patthy, Ágnes;
Vezér, Csilla

Publication type:

Article

1,3-Dipolar cycloaddition of nitrile oxides to N-vinylcarbazole: Regioselective formation of 5-(9-carbazolyl)-Δ2-isoxazolines.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 255, doi. 10.1002/jhet.5570260146

By:

Rao, K. Rama;
Nageswar, Y. V. D.;
Sattur, P. B.

Publication type:

Article

Anticancer anthrapyrazoles. Improved syntheses of clinical agents CI-937, CI-941, and piroxantrone hydrochloride.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 85, doi. 10.1002/jhet.5570260117

By:

Beylin, Vladimir G.;
Colbry, Norman L.;
Goel, Om P.;
Haky, Jerome E.;
Johnson, Donald R.;
Johnson, Judith L.;
Kanter, Gerald D.;
Leeds, Robert L.;
Leja, Boguslawa;
Lewis, Edward P.;
Rithner, Christopher D.;
Showalter, H. D. Hollis;
Sercel, Anthony D.;
Turner, William R.;
Uhlendorf, Susan E.

Publication type:

Article

Spirocyclization of 1-( o-aminophenyl)cycloalkanols and 1-(2′-amino-3′-pyridinyl)cycloalkanols.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 113, doi. 10.1002/jhet.5570260120

By:

Canonne, Persephone;
Boulanger, Raynald;
Chantegrel, Bernard

Publication type:

Article

Synthesis of 1,2,4-triazole, 1,2,4-triazolo[3,4- b][1,3,4]thiadiazole and 1,2,4-triazolo[3,4- b][1,3,4]thiadiazine derivatives of benzotriazole.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 177, doi. 10.1002/jhet.5570260131

By:

El-Khawass, S. M.;
Habib, N. S.

Publication type:

Article

A facile one step synthesis of novel ethyl 2,6-bis(trifluoromethyl)-4-hydroxypyrimidine-5-carboxylate.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 7, doi. 10.1002/jhet.5570260102

By:

Sing, Y. Larry;
Lee, Len F.

Publication type:

Article

A synthetic entry into the quino[2,1- b][1,3]benzoxazine ring system.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 237, doi. 10.1002/jhet.5570260142

By:

Aversa, M. C.;
Bonaccorsi, P.;
Giannetto, P.

Publication type:

Article

The synthesis of monomethoxy-6-methyl-7 H-indeno[2,1- c]quinolines.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 221, doi. 10.1002/jhet.5570260139

By:

Quraishi, Mumtaz A.

Publication type:

Article

Novel crown ethers with pendant, proton-ionizable, chromogenic groups.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 199, doi. 10.1002/jhet.5570260135

By:

Czech, Bronislaw P.;
Babb, David A.;
Czech, Anna;
Bartsch, Richard A.

Publication type:

Article

Reaction of 1,2-diarylethylamides with ethyl polyphosphate (Epp): Correlation of the von braun, ritter and bischler-napieralski reactions.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 25, doi. 10.1002/jhet.5570260106

By:

Aguirre, J. M.;
Alesso, E. N.;
Ibañez, A. F.;
Tombari, D. G.;
Iglesias, G. Y. Moltrasio

Publication type:

Article

Synthesis and reactions of 'biginelli-compounds'. Part I.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 55, doi. 10.1002/jhet.5570260112

By:

Kappe, Christian Oliver;
Roschger, Peter

Publication type:

Article

Synthèse de dioxinocoumarines angulaires.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 193, doi. 10.1002/jhet.5570260134

By:

Guillaumet, Gérald;
Hretani, Mohamed;
Coudert, Gérard

Publication type:

Article

A novel synthesis of 3-bromo-1,2,4-oxadiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 23, doi. 10.1002/jhet.5570260105

By:

Humphrey, Guy R.;
Wright, Stanley H. B.

Publication type:

Article

Pyridazines with heteroatom substituents in position 3 and 5. 3.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 169, doi. 10.1002/jhet.5570260130

By:

Schober, Bernt D.;
Megyeri, Gabor;
Kappe, Thomas

Publication type:

Article

'One pot' synthesis of 2-substituted 9-(2′-hydroxy-3′-aminopropyl)-8-azahypoxanthines and 8-azaadenines (5-substituted 3-(2′-hydroxy-3′-aminopropyl) 7-amino and 7-hydroxy-3H-1,2,3-triazolo[4,5- d]pyrimidines).

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 39, doi. 10.1002/jhet.5570260109

By:

Biagi, G.;
Franchi, M.;
Giorgi, I.;
Livi, O.;
Scartoni, V.

Publication type:

Article

Heterocycles. Part XVII. Synthesis of new substituted 2,3,3a,4,5,6-hexahydrobenzo[6,7]cyclohepta[1,2- c]pyrazoles and related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 209, doi. 10.1002/jhet.5570260137

By:

El-Rayyes, N. R.;
Bahtiti, N. H.

Publication type:

Article

Synthesis of 5-aryl-3-carbazoyl-1,3,4-oxadiazol-2(3 H)-one. Derivatives and their ring transformation into 5-benzamido-1,2,4-triazolidine-3,5-dione derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 231, doi. 10.1002/jhet.5570260141

By:

Milcent, René;
Barbier, Géo;
Tzirenstchikow, Tatiana;
Lebreton, Luc

Publication type:

Article

A simplified procedure for preparing 3,5-disubstituted-1,2,4-oxadiazoles by reaction of amidoximes with Acyl chlorides in pyridine solution.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 125, doi. 10.1002/jhet.5570260122

By:

Chiou, Shishue;
Shine, Henry J.

Publication type:

Article

Synthesis of novel dihydro-2 H-1,2,4-oxadiazin-5(6 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 129, doi. 10.1002/jhet.5570260123

By:

Ürögdi, László;
Kisfaludy, Lajos;
Patthy, Ágnes;
Moravcsik, Ernö;
Tüdös, Helga;
Tegyei, Zsuzsanna;
Ötvös, László

Publication type:

Article

The synthesis and properties of 2-substituted dihydropyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 251, doi. 10.1002/jhet.5570260145

By:

Kashima, Choji;
Shimizu, Masao;
Omote, Yoshimori

Publication type:

Article

The use of NMR measurements in the orientation of pyrrolic substitution in 5,6-dihydro-7-methyl-6-oxopyrrolo[1,2 a]-[3,1,6]benzothiadiazocine.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 81, doi. 10.1002/jhet.5570260116

By:

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

Publication type:

Article

The synthesis of β-heteroarylamino-α,β-dehydro-α-amino acid and β-heteroarylamino-α-amino acid derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 145, doi. 10.1002/jhet.5570260127

By:

Svete, Jurij;
Stanovnik, Branko;
Tišler, Miha;
Golič, Ljubo;
Leban, Ivan

Publication type:

Article

Syntheses of 1,3,8,10,12-pentazanaphthacene-2,4,7,9-(12 H,3 H,8 H,10 H)-tetraones (linear pyrimidine-fused 5-deazaflavins), 1,3,6,8,12-pentazabenz[ a]anthracene-2,4,7,9(12 H,3 H,6 H,8 H)-tetraones(bent pyrimidine-fused 5-deazaflavins), and their flavin analogs

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 49, doi. 10.1002/jhet.5570260111

By:

Yoneda, Fumio;
Koga, Masakazu

Publication type:

Article

A lithiation approach to cordycepin analogues variously substituted at the C-8 position.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 189, doi. 10.1002/jhet.5570260133

By:

Hayakawa, Hiroyuki;
Tanaka, Hiromichi;
Sasaki, Keiko;
Haraguchi, Kazuhiro;
Saitoh, Takafumi;
Takai, Fumi;
Miyasaka, Tadashi

Publication type:

Article

Color change (yellow \documentclass{article}\pagestyle{empty}\begin{document}$\rightleftharpoons$\end{document}.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 215, doi. 10.1002/jhet.5570260138

By:

Mataka, Shuntaro;
Takahashi, Kazufumi;
Tashiro, Masashi;
Lin, Wei-Hua;
Iwasaki, Shin-Ichi;
Tsutsui, Tetsuo;
Saito, Shogo;
Akiyama, Shinji;
Yonemitsu, Tadashi

Publication type:

Article

Amidrazones. 12. Formation of 3-acylamino-4,5-dihydro-1,1-dimethyl-1 H-pyrazolium salts by acid-promoted cyclization of N3-acylated derivatives of acrylamide dimethylhydrazone and ( E)-cinnamamide dimethylhydrazone.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 141, doi. 10.1002/jhet.5570260126

By:

Smith, Richard F.;
Augustine, Brian H.;
Dennis, Lisa A.;
Ryan, William J.;
Liptak, Stephen C.;
Capparelli, Brian R.

Publication type:

Article

Reaction of 2,5-bis(trifluoromethyl)-1,3,4-oxadiazole with primary amines. Synthesis of 4-substituted-3,5-bis(trifluoromethyl)-4 H-1,2,4-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 225, doi. 10.1002/jhet.5570260140

By:

Reitz, David B.;
Finkes, Michael J.

Publication type:

Article

Desulfation and rearrangement of tigemonam to an isoxazolidin-5-one and the synthesis of the rearrangement product.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 17, doi. 10.1002/jhet.5570260104

By:

Singh, Janak;
Kissick, Thomas P.;
Fox, Rita;
Kocy, Octavian;
Mueller, Richard H.

Publication type:

Article

O-Alkylations of pyridoxine and pyridoxamine.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 33, doi. 10.1002/jhet.5570260108

By:

Ueda, Taisei;
Nakaya, Kenji;
Nagai, Shin-Ichi;
Sakakibara, Jinsaku

Publication type:

Article

Synthesis of an acetyl-α-thio-β-carboline by thermolysis of dithio-2,2′-di( N′-acetyltryptamine).

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 265, doi. 10.1002/jhet.5570260148

By:

Barbier, Michel;
Devys, Michel

Publication type:

Article

Oxazole ring cleavage in the course of the synthesis of heterocyclic azo dyes.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 77, doi. 10.1002/jhet.5570260115

By:

Savarino, P.;
Viscardi, G.;
Carpignano, R.;
Barni, E.

Publication type:

Article

Synthesis of novel methoxy and hydroxy derivatives of 2-phenyl-1 H-benz[ g]indoles.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 245, doi. 10.1002/jhet.5570260144

By:

Ferlin, Maria Grazia;
Chiarelotto, Gianfranco;
Malesani, Giorgio

Publication type:

Article

Synthesis of ortho-substituted aminopyridines. Metalation of pivaloylamino derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 105, doi. 10.1002/jhet.5570260119

By:

Estel, L.;
Linard, F.;
Marsais, F.;
Godard, A.;
Quéguiner, G.

Publication type:

Article

Modification of pyridine-3-carboxamide (nicotinamide) by radical substitution.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 45, doi. 10.1002/jhet.5570260110

By:

Tada, Masaru;
Yokoi, Yurie

Publication type:

Article

Heterocyclic variants of the 1,5-benzodiazepine system. V. Derivatives of 2-( ortho-R1-anilino)-4-( p-R2-phenyl)-3 H-1,5-benzodiazepines.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 119, doi. 10.1002/jhet.5570260121

By:

Conés, Eduardo;
Martínez, Roberto;
Ceballos, Irma

Publication type:

Article

Studies on the chemistry of 1,4-oxazines. 18.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 205, doi. 10.1002/jhet.5570260136

By:

Bartsch, Herbert;
Erker, Thomas;
Neubauer, Gustav

Publication type:

Article

A novel synthesis of 5-chloro-3-methoxycarbonyl-1-arylpyrazoles from arylazomethylenetriphenylphosphoranes.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 241, doi. 10.1002/jhet.5570260143

By:

Baldoli, C.;
Lattuada, L.;
Licandro, E.;
Maiorana, S.;
Papagni, A.

Publication type:

Article

The reaction of ethyl chromone-2-carboxylates with 1,2-diaminobenzene.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 29, doi. 10.1002/jhet.5570260107

By:

Markees, Diether G.

Publication type:

Article

Synthesis of tetrahydrothiopyrano[3,2- c]pyrazole derivatives from 3-thianones.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 183, doi. 10.1002/jhet.5570260132

By:

Nitti, P.;
Fatutta, S.;
Pitacco, G.;
Valentin, E.

Publication type:

Article

Tricyclic heteroaromatic systems. 1,2,3,4-tetrahydropyrazolo[4,3- c][l]benzazepin-1-ones as potential antitumor agents.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 71, doi. 10.1002/jhet.5570260114

By:

Palazzino, Giovanna;
Cecchi, Lucia;
Colotta, Vittoria;
Melani, Fabrizio;
Filacchioni, Guido

Publication type:

Article

Reactions of piroxicam with alkyl iodides.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 11, doi. 10.1002/jhet.5570260103

By:

Hammen, Philip D.;
Berke, Helen;
Bordner, Jon;
Braisted, Andrew C.;
Lombardino, Joseph G.;
Whipple, Earl B.

Publication type:

Article

Preparation of imidazo[2,1- b]quinazolin-5(3 H)-ones and related tricyclic systems using a novel, double displacement reaction.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 257, doi. 10.1002/jhet.5570260147

By:

Peet, Norton P.;
Malecha, James;
Letourneau, Michael E.;
Sunder, Shyam

Publication type:

Article

Development of a new synthesis of 3-(1 H-tetrazol-5-yl)-4(3 H)-quinazolinone, sodium salt via an amidine intermediate.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 97, doi. 10.1002/jhet.5570260118

By:

Vinogradoff, Anna P.;
Peet, Norton P.

Publication type:

Article

Reactions of some quinazoline compounds with ethoxymethylenemalonic acid derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 161, doi. 10.1002/jhet.5570260129

By:

Deady, Leslie W.;
Mackay, Maureen F.;
Werden, Dianne M.

Publication type:

Article

Reduction of n-(1,3-dioxolan-2-yl)-1-methylpyridinium ions: Molecular structure of the 4-(l,3-dioxolan-2-yl)-1-methyl-1,2,3,6-tetrahydropyridine-borane complex.

Published in:

Journal of Heterocyclic Chemistry, 1989, v. 26, n. 1, p. 135, doi. 10.1002/jhet.5570260125

By:

Rodriguez, J. G.;
Martinez-Lopez, N.;
De Lerma, J. Lopez;
Perales, A.

Publication type:

Article