Works matching IS 0022152X AND DT 1987 AND VI 24 AND IP 5

Results: 54

The structure of the diazonium coupling products of phenacyl thiocyanate and phenacyl selenocyanate with diazotized 3-phenyl-5-aminopyrazole.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1341, doi. 10.1002/jhet.5570240521

By:

Farag, Ahmad M.;
Fahmi, Abdelgawad A.;
Abdelhamid, Abdou O.;
Shawali, Ahmad S.;
Algharib, Mohamed S.

Publication type:

Article

A convenient synthesis of 2-substituted 4-amino-5-pyrimidinecarbonitriles.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1305, doi. 10.1002/jhet.5570240514

By:

Schmidt, Hans-Werner;
Koitz, Gerald;
Junek, Hans

Publication type:

Article

New syntheses of polyaza derivatives. Crystal structure of pyridazine-3,6-dicarboxylic acid.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1285, doi. 10.1002/jhet.5570240510

By:

Sueur, Stéphane;
Lagrenee, Michel;
Abraham, Francis;
Bremard, Claude

Publication type:

Article

Saturated heterocycles. 136.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1473, doi. 10.1002/jhet.5570240550

By:

Huber, Imre;
Fülöp, Ferenc;
Bernáth, Gábor;
Hermecz, István

Publication type:

Article

Pyrimidines. 9. Chlorination of 6-trifluoromethyluracil with phosphorus oxychloride in the presence of trialkylamines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1243, doi. 10.1002/jhet.5570240502

By:

Gershon, Herman;
Grefig, Anthony T.;
Clarke, Donald D.

Publication type:

Article

Novel heterocyclic systems. Part 27.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1357, doi. 10.1002/jhet.5570240525

By:

Lindsay, Charles M.;
Smith, Keith;
Martin, Gary E.

Publication type:

Article

Formation of reissert analogs from benzimidazole and use of carboxylic acids in a retro-reissert reaction.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1349, doi. 10.1002/jhet.5570240523

By:

Uff, Barrie C.;
Ho, Yee-Ping;
Burford, Donald L. W.;
Popp, Frank D.

Publication type:

Article

Unexpected course of the reaction of aromatic aldehydes on lithiated N,N-dimethyl o-(3-quinolyl)carbamate.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1487, doi. 10.1002/jhet.5570240553

By:

Robin, Y.;
Godard, A.;
Queguiner, G.

Publication type:

Article

Synthesis of trifluoromethyltriazoles from trifluoroacetohydrazonoyl bromide.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1391, doi. 10.1002/jhet.5570240532

By:

Tanaka, Kiyoshi;
Honda, Osamu;
Minoguchi, Kazumi;
Mitsuhashi, Keiryo

Publication type:

Article

N-Arylation of isatins. A direct route to N-arylisatoic anhydrides.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1249, doi. 10.1002/jhet.5570240503

By:

Coppola, Gary M.

Publication type:

Article

The synthesis of 6,6′-cyclo-6′-deoxyhexofuranosyluracils via a diazomethane-promoted ring-enlargement reaction.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1439, doi. 10.1002/jhet.5570240543

By:

Sasson, Isaac M.;
Otter, Brian A.

Publication type:

Article

The effect of the steric requirements of trialkylsilyl ethers on ring closure of 1-(benzylamino)-3-chloro-2-(trialkylsiloxy)propanesd.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1489, doi. 10.1002/jhet.5570240554

By:

Higgins, Robert H.

Publication type:

Article

Reactions of methyl 3-hydroxythiophene-2-carboxylate. Part 4. Synthesis of methyl 5-azolyl-3-hydroxythiophene-2-carboxylates.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1301, doi. 10.1002/jhet.5570240513

By:

Corral, Carlos;
El-Ashmawy, Mahmoud B.;
Lissavetzky, Jaime;
Manzanares, Ignacio

Publication type:

Article

Acetylenchemie 6. Mitt.: Propinylierung von N-Methylbarbitursäuren nach dem PTC- und phosphoroxychlorid-verfahren - nachweis zweier mechanismen bei der chromenbildung von pyrano[3,2- c]chinolin-alkaloiden.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1409, doi. 10.1002/jhet.5570240536

By:

Reisch, Johannes;
Bathe, Andreas

Publication type:

Article

Pseudoesters and derivatives. XXV.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1269, doi. 10.1002/jhet.5570240507

By:

Fariña, Francisco;
Martín, M. Victoria;
Paredes, M. Carmen;
Tito, Amelia

Publication type:

Article

Studies on decarboxylation reactions. Part 6.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1457, doi. 10.1002/jhet.5570240547

By:

Noto, Renato;
Werber, Giuseppe;
Buccheri, Francesco;
Arnone, Caterina

Publication type:

Article

The fischer indolisation of (±)-3-methylcyclopentanone phenylhydrazone.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1321, doi. 10.1002/jhet.5570240518

By:

Robinson, Brian

Publication type:

Article

An improved, large-scale synthesis of xanthothricin and reumycin.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1373, doi. 10.1002/jhet.5570240529

By:

Black, T. Howard

Publication type:

Article

Fluorescence reagents. I. Derivatization of carboxylic acids, imides and alcohols with 1-chloromethylbenz[c,d]indol-2(1H)-one (CMBI).

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1381, doi. 10.1002/jhet.5570240531

By:

Wendelin, Winfried;
Gübitz, Gerald;
Pracher, Ulrike

Publication type:

Article

Synthesis and reactions of 7-substituted 1-cyclopropyl-6-fluoro-1,4-dihydro-4-oxo-1,8-naphthyridine-3-carboxylic acids as an antibacterial agent.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1333, doi. 10.1002/jhet.5570240520

By:

Miyamoto, Teruyuki;
Egawa, Hiroshi;
Shibamori, Koh-Ichiro;
Matsuraoto, Jun-Ichi

Publication type:

Article

Reaction of 5-(substituted-amino)oxazoles with N-phenylmaleimide.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1237, doi. 10.1002/jhet.5570240501

By:

Shimada, Sadakatsu

Publication type:

Article

The mass spectral fragmentation of isoxazolyldihydropyridines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1429, doi. 10.1002/jhet.5570240541

By:

Knerr, Gary;
Mckenna, John I.;
Quincy, David A.;
Natale, N. R.

Publication type:

Article

Triazolotriazines as potential chemotherapeutic agents. VI.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1435, doi. 10.1002/jhet.5570240542

By:

Ram, Vishnu J.;
Dube, Vidyohama;
Vlietinck, A. J.

Publication type:

Article

The reaction of N-carboalkoxy reissert analogs with carboxylic acids.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1353, doi. 10.1002/jhet.5570240524

By:

Popp, Frank D.;
Duarte, Frederick F.;
Uff, Barrie C.

Publication type:

Article

Potential DNA bis-intercalating agents: Synthesis and antitumor activity of novel, conformationally restricted bis(9-aminoacridines).

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1405, doi. 10.1002/jhet.5570240535

By:

Jaycox, Gary D.;
Gribble, Gordon W.;
Hacker, Miles P.

Publication type:

Article

Ring closures with α-chloroazines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1265, doi. 10.1002/jhet.5570240506

By:

Pilgram, Kurt H.;
Skiles, Richard D.

Publication type:

Article

An improved synthesis of pyrido[2,3- d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1453, doi. 10.1002/jhet.5570240546

By:

Itoh, Tsuneo;
Fujii, Ikuko;
Tomii, Yasuo;
Ishikawa, Ichiro;
Ogura, Hamo;
Mizuno, Yoshihisa;
Kawahara, Norio

Publication type:

Article

Synthesis of the 1,2,3,4-tetrahydrobenzofuro[2,3- c]pyridine ring system.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1317, doi. 10.1002/jhet.5570240517

By:

Jaen, Juan C.;
Wise, Lawrence D.

Publication type:

Article

Part 4. Fused pyrimidines. Annelation using formamide to synthesize 2,4-disubstituted-pyrimido[4,5-d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1421, doi. 10.1002/jhet.5570240539

By:

Delia, Thomas J.;
Niedzinski, Jill

Publication type:

Article

Studies on pyrazines. 16.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1371, doi. 10.1002/jhet.5570240528

By:

Sato, Nobuhiro;
Suzuki, Masakazu

Publication type:

Article

On the chichibabin amination of pyrimidine and N-alkylpyrimidinium salts using liquid ammonia/potassium permanganate.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1377, doi. 10.1002/jhet.5570240530

By:

Buurman, Dick J.;
Van Der Plas, Henk C.

Publication type:

Article

The rearrangement of 2-amino-5-benzoyloxazoles with dimethylamine.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1485, doi. 10.1002/jhet.5570240552

By:

Walker, Frederick J.;
Kraus, Kenneth G.

Publication type:

Article

Intramolecular cyclization of 4-aryl-1,4-dihydropyridine acetals.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1397, doi. 10.1002/jhet.5570240533

By:

Hartman, George D.;
Phillips, Brian T.;
Springer, James P.;
Hirshfield, Jordan

Publication type:

Article

Heterocyclic systems. VIII. synthesis of 1 H,4 H-pyrazolo[4,3- f]pyrrolo[1,2- a]azepine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1445, doi. 10.1002/jhet.5570240544

By:

Corelli, Federico;
Massa, Silvio;
Stefancich, Giorgio;
Silvestri, Romano

Publication type:

Article

Synthesis of perhydro-2(1 H)-quinoxalinones and perhydropyrrolo[1,2- a]quinoxalin-4(5 H)-one derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1297, doi. 10.1002/jhet.5570240512

By:

Rees, David C.

Publication type:

Article

Crystal and molecular structure of 5,5-dimethyl-δ<sup>1</sup>-1,2,4-triazolin-3-one.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1401, doi. 10.1002/jhet.5570240534

By:

Schantl, Joachim G.;
Gstach, Hubert;
Lanznaster, Norbert;
Gieren, Alfred;
Lamm, Viktor

Publication type:

Article

Reduction products of 3(2 H)-cinnolinones.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1261, doi. 10.1002/jhet.5570240505

By:

Zey, Robert L.

Publication type:

Article

Enzymatic halogenation of pyrazoles and pyridine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1313, doi. 10.1002/jhet.5570240516

By:

Franssen, M. C. R.;
Van Boven, H. G.;
Van Der Plas, H. C.

Publication type:

Article

Studies on decarboxylation reactions. Part 5.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1449, doi. 10.1002/jhet.5570240545

By:

Noto, Renato;
Buscemi, Silvestre;
Werber, Giuseppe;
Spinelli, Domenico

Publication type:

Article

A new synthesis of imidazo[1,2- a]pyridine and imidazo[2,1- a]isoquinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1365, doi. 10.1002/jhet.5570240527

By:

Tominaga, Yoshinori;
Motokawa, Shigenori;
Shiroshita, Yoshihide;
Hosomi, Akira

Publication type:

Article

Heterocycles. XIII. Nls orbital binding energies of some quinazolines and pyrimidines by XPS.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1417, doi. 10.1002/jhet.5570240538

By:

El-Rayyes, N. R.;
Katrib, A.;
Al-Kharafi, F. M.;
El-Issa, B. D.

Publication type:

Article

Oxamic acid derivaties in heterocyclic synthesis: Preparation of 1,2,4-triazolo[1,5- a]pyrazine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1281, doi. 10.1002/jhet.5570240509

By:

Molina, P.;
Vilaplana, Ma. J.;
Andreu, P. L.;
Møller, J.

Publication type:

Article

Chemistry of thienopyridines. XXXV. Synthesis, tautomerism, and reactions of quinoline and thienopyridine systems which bear a 1-carboethoxy-1-cyanomethyl substituent in the pyridine ring, part 2.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1467, doi. 10.1002/jhet.5570240549

By:

Klemm, L. H.;
Lu, Jennifer J.;
Greene, Diana S.;
Boisvert, William

Publication type:

Article

On the reaction of 2-chloroethylisothiocyanate with aromatic amines.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1425, doi. 10.1002/jhet.5570240540

By:

Outcalt, Russell J.

Publication type:

Article

Mesoionic isoxazolo[2,3- a]pyrimidinediones and 1,3,4-oxadiazolo[3,2- a]pyrimidinediones as potential adenosine antagonists.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1291, doi. 10.1002/jhet.5570240511

By:

Shehata, Ihsan A.;
Glennon, Richard A.

Publication type:

Article

Regiospecific hydrogenation of quinolines and indoles in the heterocyclic ring.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1477, doi. 10.1002/jhet.5570240551

By:

Shaw, J. E.;
Stapp, P. R.

Publication type:

Article

Regioselectivity in lateral deprotonation of an isoxazolecarboxamide of ( S)-prolinol. Conformational correlation by crystal structure solid state solution <sup>13</sup>C NMR.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1345, doi. 10.1002/jhet.5570240522

By:

Schlicksupp, Ludwig;
Natale, N. R.

Publication type:

Article

Streptonigrin and lavendamycin partial structures. Preparation of 7-amino-2-(2′-pyridyl)quinoline-5,8-quinone-6′-carboxylic acid: A probe for the minimum, potent pharmacophore of the naturally occurring antitumor-antibiotics.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1253, doi. 10.1002/jhet.5570240504

By:

Yasuda, Masami;
Boger, Dale L.

Publication type:

Article

Polycondensed nitrogen heterocycles. Part 17.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1309, doi. 10.1002/jhet.5570240515

By:

Almerico, Anna Maria;
Dattolo, Gaetano;
Cirrincione, Girolamo;
Presti, Giuseppe;
Aiello, Enrico

Publication type:

Article

1-Alkoxycarbonyl- and 1-acyl- v-triazolo[4,5- b]-pyridine/hydrogen peroxide oxygenating systems.

Published in:

Journal of Heterocyclic Chemistry, 1987, v. 24, n. 5, p. 1363, doi. 10.1002/jhet.5570240526

By:

Zecchini, Giampiero Pagani;
Torrini, Ines;
Paradisi, Mario Paglialunga

Publication type:

Article