Works matching IS 0022152X AND DT 1990 AND VI 27 AND IP 4

Results: 67

Synthesis and chemical reactivity of c-5 substituted 6,7-bis-(hydroxymethyl)-1 H-pyrrolizine biscarbamate tumor inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1025, doi. 10.1002/jhet.5570270440

By:

Anderson, Wayne K.;
Mach, Robert H.

Publication type:

Article

One step synthesis of pyrimido[1,2- a][1,8]naphthyridinones, pyrido[1,2-a]pyrimidinones and 1,8-naphthyridinones. Antihypertensive agents. V.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 881, doi. 10.1002/jhet.5570270411

By:

Ferrarini, Pier Luigi;
Mori, Claudio;
Primofiore, Giampaolo;
Calzolari, Lorella

Publication type:

Article

Synthesis of 17β-hydroxy-1′- H-5α-androst-2-eno[3,2- b]pyrrole and 17β-hydroxy-1′- H-5α-androst-3-eno[3,4- b]pyrrole from O-(2-hydroxyethyl)ketoxime precursors.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1091, doi. 10.1002/jhet.5570270451

By:

Ellames, George J.;
Johnston, David;
Smith, David I.

Publication type:

Article

Furan derivatives. Part 12.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 941, doi. 10.1002/jhet.5570270422

By:

Horaguchi, Takaaki;
Miyazawa, Kazuhiro;
Hasegawa, Eietsu;
Shimizu, Takahachi;
Suzuki, Tsuneo;
Tanemura, Kiyoshi

Publication type:

Article

Transaminations of enaminones:A Synthesis of tricyclic, N-aryl, 1,2,3-triazole-fused pyridones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1135, doi. 10.1002/jhet.5570270462

By:

Chan, Tze-Ming;
Friary, R.;
Jones, H.;
Schwerdt, J. H.;
Seidl, V.;
Watnick, A. S.;
Williams, S. M.

Publication type:

Article

Novel syntheses of dihydroxanthyletin and dihydroseselin derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 995, doi. 10.1002/jhet.5570270433

By:

Jetter, Michele M.;
Heindel, Ned D.;
Laskin, Jeffrey D.

Publication type:

Article

Syntheses of 6-fluoro-7-piperazin-1-yl-9-cyclopropyl-2,3,4,9-tetrahydroisothiazolo[5,4- b]quinoline-3,4-dione and 6-fluoro-7-piperazin-1-yl-9- p-fluorophenyl-2,3,4,9-tetrahydroisothiazolo[5,4- b]quinoline-3,4-dione.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 839, doi. 10.1002/jhet.5570270404

By:

Chu, Daniel T. W.

Publication type:

Article

Synthetic routes to 2-(2-benzofuranyl)benzoic acids and their cyclization into benz[6]indeno[2,1-d]furan-10-ones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1047, doi. 10.1002/jhet.5570270444

By:

Guillaumel, Jean;
Boccara, Nicole;
Demerseman, Pierre

Publication type:

Article

Synthesis of fluorantheno[1,2-b]thiophene and fluorantheno[3,2-b]thiophene, isosteres of benzofluoranthenes.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 899, doi. 10.1002/jhet.5570270415

By:

Lee-Ruff, E.;
Chung, Y. S.

Publication type:

Article

N-Amination of 3-amino-1,2,4-triazole with hydroxylamine- O-sulfonic acid: Synthesis of 1,5-diamino-1,2,4-triazole.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1109, doi. 10.1002/jhet.5570270455

By:

Salazar, Loreto;
Espada, Modesta;
Avendaño, Carmen;
Elguero, José

Publication type:

Article

Synthesis of novel 1 H-imidazo[5,1- B][3]benzazepine-1,3(2 H)-dione and pyrimido[6,1- B][3]benzazepine-1,3,4(2 H)-trione.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 963, doi. 10.1002/jhet.5570270426

By:

Gallaschun, Randall J.;
Schnur, Rodney C.

Publication type:

Article

Porphyrins meso-substituted with phenanthrene and 1,10-phenanthroline.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1161, doi. 10.1002/jhet.5570270466

By:

Kus, Piotr;
Knerr, Gary;
Czuchajowski, Leszek

Publication type:

Article

One-step methods to prepare cryptands and crowns containing reactive functional groups.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1011, doi. 10.1002/jhet.5570270437

By:

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

Publication type:

Article

Heterocyclic photorearrangements. Photoinduced rearrangement of 3-styryl-1,2,4-oxadiazoles.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 861, doi. 10.1002/jhet.5570270408

By:

Buscemi, Silvestre;
Cusmano, Giuseppe;
Gruttadauria, Michelangelo

Publication type:

Article

Synthesis and reaction of methylbenzo[a]quinolizinium salts.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1073, doi. 10.1002/jhet.5570270448

By:

Arai, Sadao;
Yamazaki, Masuo;
Hida, Mitsuhiko

Publication type:

Article

An approach towards the synthesis of 4-phenyl-5-arylimino-δ<sup>2</sup>-1,2,3,4-thiatriazolines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 923, doi. 10.1002/jhet.5570270419

By:

L'Abbé, Gerrit;
Franek, Walter;
Toppet, Suzanne;
Delbeke, Pieter

Publication type:

Article

An alternate synthesis, x-ray crystal structure and p388 activity of 1,2-bis(dibenzophospholyl-1)ethane.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1123, doi. 10.1002/jhet.5570270459

By:

Sutton, Blaine M.;
Girard, Gerald R.;
Eggleston, Drake S.;
Baures, Paul W.;
Faucette, Leo F.;
Johnson, Randall K.;
Hill, David T.

Publication type:

Article

7,10A-Methanocycloocta[ c,d]indazoles: Diisophoranes incorporating the pyrazole ring system.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 871, doi. 10.1002/jhet.5570270410

By:

Kurzer, Frederick;
Langer, Stanley S.

Publication type:

Article

Synthesis and stereochemistry of rac.- trans-tetrahydro-6-hydroxy-7-(4-methoxyphenyl)-1,4-thiazepin-5(2 H)-one.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1085, doi. 10.1002/jhet.5570270450

By:

Mohacsi, Erno;
O'Brien, Jay P.;
Todaro, Louis J.

Publication type:

Article

Furan derivatives. part 11 [1]. on substituent effects in the synthesis of 3,4,5,6-tetrahydrocyclohepta[ cd]benzofurans.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 935, doi. 10.1002/jhet.5570270421

By:

Horaguchi, Takaaki;
Kobayashi, Hiroto;
Miyazawa, Kazuhiro;
Hasegawa, Eietsu;
Shimizu, Takahachi;
Suzuki, Tsuneo;
Tanemura, Kiyoshi

Publication type:

Article

Potential antitumor agents. IV. Pyrrole analogues of oncodazole.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1131, doi. 10.1002/jhet.5570270461

By:

Massa, Silvio;
Santo, Roberto Di;
Artico, Marino

Publication type:

Article

Studies on the chemistry of O,N- and S,N-containing heterocycles. 12 [1]. Investigations on the synthesis of tricyclic 1,5-benzoxazepines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 991, doi. 10.1002/jhet.5570270432

By:

Bartsch, Herbert;
Erker, Thomas

Publication type:

Article

The synthesis of 6- C-substituted 9-methoxymethylpurine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 835, doi. 10.1002/jhet.5570270403

By:

Hamamichi, Norimitsu;
Miyasaka, Tadashi

Publication type:

Article

Synthesis of some N-[pyridyl(phenyl)carbonylamino]-alkyl-1,2,3,6-tetrahydropyridines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1041, doi. 10.1002/jhet.5570270443

By:

Redda, Kinfe K.;
Melles, Hailemichael;
Rao, Kode Nageswara

Publication type:

Article

Preparation of large macrocyclic tetra-amines consisting of a methylene backbone and a cyclophane type skeleton.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 893, doi. 10.1002/jhet.5570270414

By:

Uoto, Kouichi;
Tomohiro, Takenori;
Okuno, Hiroaki (Yohmei)

Publication type:

Article

Synthesis of 3,4,6-trisubstituted cinnolines by intramolecular wittig reaction of ortho-carbonyl substituted arylazomethylenetriphenylphosphoranes.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1103, doi. 10.1002/jhet.5570270454

By:

Licandro, Emanuela;
Maiorana, Stefano;
Papagni, Antonio;
Tarallo, Daniele;
Slawin, Alexandra M. Z.;
Williams, David J.

Publication type:

Article

Saturated heterocycles, 162 [1]. synthesis and steric structures of 3,4-disubstituted 1,6,7,11b-tetrahydropyrimido[6,1-a]isoquinolin-2-ones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 957, doi. 10.1002/jhet.5570270425

By:

Fulöp, Ferenc;
Semega, Eva;
Bernáth, Gábor;
Sohár, Pál

Publication type:

Article

A New method for the synthesis of 4-oxo-4,5-dihydrofuro[3,2- c]quinoline.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1159, doi. 10.1002/jhet.5570270465

By:

Gronowitz, Salo;
Timari, Géza

Publication type:

Article

4,4′-Coupled bis(isoquinolines).

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1007, doi. 10.1002/jhet.5570270436

By:

Guilani, Bardia;
Rasco, Melvin L.;
Hermann, Christine F. K.;
Gibson, Harry W.

Publication type:

Article

Reaction of 3-methylindole and 2,3-dimethylindole with dimethyl acetylenedicarboxylate using boron trifluoride-diethyl ether catalysis.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 855, doi. 10.1002/jhet.5570270407

By:

Rodrigues, J.Augusto R.;
Verardo, L. I.

Publication type:

Article

Synthesis of certain 1,2,4-triazole nucleoside derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1063, doi. 10.1002/jhet.5570270447

By:

Michael, Josephine;
Larson, Steven B.;
Vaghefi, Morteza M.;
Robins, Roland K.

Publication type:

Article

Regioselective synthesis of trifluoromethylated pyrazoles by selective protection of trifluoromethyl-β-diketones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 919, doi. 10.1002/jhet.5570270418

By:

Lyga, John W.;
Patera, Russell M.

Publication type:

Article

Synthesis of isoxazolo[2,3- a]quinoxalines and pyrrolo[1,2- a]quinoxalines by 1,3-dipolar cycloaddition reaction.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1119, doi. 10.1002/jhet.5570270458

By:

Kim, Ho Sik;
Kurasawa, Yoshihisa;
Yoshii, Chiemi;
Masuyama, Minako;
Takada, Atsushi;
Okamoto, Yoshihisa

Publication type:

Article

Synthesis of some fused triazoloquinolines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 981, doi. 10.1002/jhet.5570270429

By:

Ramalingam, T.;
Murty, M. S. R.;
Nageswar, Y. V. D.;
Sattur, P. B.

Publication type:

Article

Synthesis of isoxazolo[4,5-d]pyridazin-4(5 H)-ones and 4-acyl-5-hydroxy-3(2 H)-pyridazinones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 927, doi. 10.1002/jhet.5570270420

By:

Chantegrel, Bernard;
Deshayes, Christian;
Pujol, Bernard;
Wei, Zhong Jia

Publication type:

Article

On the synthesis of thieno[3,2-c]quinoline N-oxide and thieno-[3,2- C]isoquinoline N-oxide. The nmr spectra of the six isomeric thieno-fused quinoline and isoquinoline N-oxides.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1127, doi. 10.1002/jhet.5570270460

By:

Gronowitz, Salo;
Timari, Géza

Publication type:

Article

Acidity constants of benzimidazolium ketone and pyridinium aldehyde hydrates.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 987, doi. 10.1002/jhet.5570270431

By:

Owen, Terence C.

Publication type:

Article

A Facile synthesis of 3-alkylthio-(or arylthio-)pyridines and 3,5-bis(alkylthio)pyridines.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 831, doi. 10.1002/jhet.5570270402

By:

Chen, Ted K.;
Flowers, William T.

Publication type:

Article

NMR Determination of absolute configurations in 2-alkylthiazolidine-4-carboxylic acids.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1035, doi. 10.1002/jhet.5570270442

By:

Restelli, Angelo;
Annunziata, Rita;
Pellacini, F.;
Ferrario, F.

Publication type:

Article

A New and simple synthesis of 2-aryl-4,9-dihydrocyclohepta[ b]pyran-4,9-diones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 891, doi. 10.1002/jhet.5570270413

By:

Wang, Dao-Lin;
Jin, Zhong-Tian;
Imafuku, Kimiaki

Publication type:

Article

Synthesis of 1,2,4-triazolo[4′,3′:1,6]pyridazino[4,5- b]quinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1099, doi. 10.1002/jhet.5570270453

By:

Vomero, S.;
Anzini, M.;
Cappelli, A.

Publication type:

Article

Saturated heterocycles, part 161 [1]. Synthesis of 2-hydroxycycloalkyl-substituted 1,3,4-oxadiazoles, 1,3,4-thiadiazoles and 1,2,4-triazoles.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 951, doi. 10.1002/jhet.5570270424

By:

Fülöp, Ferenc;
Semega, éva;
Dombi, György;
Bernáth, Gábor

Publication type:

Article

Methyltriazolocoumarins: New furocoumarin isosters as potential photochemotherapeutic agents.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1153, doi. 10.1002/jhet.5570270464

By:

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

Publication type:

Article

The synthesis of benzofuroquinolines. VIII. Some halobenzofuro[2,3- c]quinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1003, doi. 10.1002/jhet.5570270435

By:

Yamaguchi, Seiji;
Yokoi, Takashi;
Yamada, Minoru;
Arai, Hitomi;
Uchiuzo, Yasuto;
Kawase, Yoshiyuki

Publication type:

Article

Temperature-dependent reaction of 1,4,6-triaminopyrimidine-2(1 H)-thiones with vilsmeier reagent. formation of [1,2,4]triazolo[1,5- c]pyrimidin-5(6 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 851, doi. 10.1002/jhet.5570270406

By:

Tsuji, Tadakazu;
Takenaka, Keiko

Publication type:

Article

1,3-Dipolar cycloadditions of alkyl azides with picryl isothiocyanate:Isolation of stable monoadducts.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1059, doi. 10.1002/jhet.5570270446

By:

L'Abbá, Gerrit;
Brems, Patrick;
Albrecht, Ernestine

Publication type:

Article

Synthesis and In Vivo antitumor and antiviral activities of 2′-deoxyribofuranosyl and arabinofuranosyl nucleosides of certain purine-6-sulfenamides, sulfinamides and sulfonamides.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 909, doi. 10.1002/jhet.5570270417

By:

Revankar, Ganapathi R.;
Hanna, Naeem B.;
Ramasamy, Kandasamy;
Larson, Steven B.;
Smee, Donald F.;
Finch, Rick A.;
Avery, Thomas L.;
Robins, Roland K.

Publication type:

Article

Synthesis of pyrrolo[1,2- a]quinoxalines by 1,3-dipolar cycloaddition reaction. An additional reaction mechanism via an aziridine intermediate.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1115, doi. 10.1002/jhet.5570270457

By:

Kim, Ho Sik;
Kurasawa, Yoshihisa;
Yoshii, Chiemi;
Masuyama, Minako;
Takada, Atsushi;
Okamoto, Yoshihisa

Publication type:

Article

Synthesis of 3,9b-dihydro-5 H-pyrrolo[2,1- a]isoindoles and 3,5,6,10b-tetrahydropyrrolo[2,1- a]isoquinolines with 1,3-dipolar cycloaddition reactions.

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 975, doi. 10.1002/jhet.5570270428

By:

Anderson, Wayne K.;
Kinder, Frederick R.

Publication type:

Article

Methyl 2-benzoylamino-3-dimethylaminopropenoate in the synthesis of fused pyranones. The synthesis of derivatives of tetrahydro-2 H-1-benzopyran-2-one, isomeric 2 H-naphtho[1,2- b]pyran-2-one and 3 H-naphtho[2,1- b]pyran-3-one, pyrano[3,2- c]benzopyran-2,5-dione, and 7 H-pyrano[2,3- d]pyrimidin-7-one

Published in:

Journal of Heterocyclic Chemistry, 1990, v. 27, n. 4, p. 1021, doi. 10.1002/jhet.5570270439

By:

Ornik, Brina;
Čadež, Zvonko;
Stanovnik, Branko;
Tišler, Miha

Publication type:

Article