Works matching IS 0022152X AND DT 1981 AND VI 18 AND IP 4

Results: 52

1-Azidoisochromenes. A new route to 3,1-benzoxazepines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 847, doi. 10.1002/jhet.5570180449

By:

Le Roux, Jean-Pierre;
Desbene, Paul-Louis;
Cherton, Jean-Claude

Publication type:

Article

Cyanogen bromide as a reagent for lactone formation. Preparation of dibenz[ b,e][1,4]oxazepin-11-(5 H)ones.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 855, doi. 10.1002/jhet.5570180451

By:

Kim, Dong Han

Publication type:

Article

Synthesis of 3-formyltetronic acid and enamine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 663, doi. 10.1002/jhet.5570180403

By:

Gelin, Suzanne;
Chantegrel, Bernard

Publication type:

Article

Notes on the synthesis of meso-substituted porphyrins from pyrryl carbinols and the mechanism of the rothemund reaction.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 833, doi. 10.1002/jhet.5570180444

By:

Little, Robert G.

Publication type:

Article

Synthesis of the novel isoquinoline enamide alkaloid polycarpine.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 691, doi. 10.1002/jhet.5570180410

By:

Lenz, George R.;
Woo, Chi-Min

Publication type:

Article

Synthesis of 4,10-dihydro-4,10-dioxo-1 H-[1]-benzopyrano[3,2- b]pyridine, 4,5-Dihydro-4,5-dioxo-1 H-[1]-benzopyrano[2,3-6]pyridine and 1,5-Dihydro-1,5-dioxo-4 H-[1]-benzopyrano[3,4- b]pyridine derivatives from aminobenzopyrones.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 697, doi. 10.1002/jhet.5570180412

By:

Connor, David T.;
Young, Patricia A.;
Von Strandtmann, Maximilian

Publication type:

Article

Facile deacylation of N-acyl-2,3-dihydrobenzo-1,4-thiazine 1-oxide and 1,1 dioxide.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 857, doi. 10.1002/jhet.5570180452

By:

Florio, Saverio;
Leng, John L.;
Stirling, Charles J. M.

Publication type:

Article

1 H-imidazo[4,5- b]pyrazines. III. 2-Thiols and derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 751, doi. 10.1002/jhet.5570180423

By:

Tong, Y. C.

Publication type:

Article

Reactions of benzothiohydrazide as a bidentate nucleophile.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 799, doi. 10.1002/jhet.5570180434

By:

Elliott, Arthur J.

Publication type:

Article

Synthesis and antimicrobial testing of 2-amino-6-hydroxymethyl-4-(3 H)pyrido[3,2- d]pyrimidinone.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 671, doi. 10.1002/jhet.5570180405

By:

Kelley, James L.;
Mclean, Ed W.

Publication type:

Article

An improvement in the synthesis of ethyl pyrimidinecarbamates.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 835, doi. 10.1002/jhet.5570180445

By:

Auzou, Gilles;
Rips, Richard

Publication type:

Article

Tetronic acids and derivatives. Part XI.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 719, doi. 10.1002/jhet.5570180416

By:

Gelin, Suzanne;
Pollet, Patrick

Publication type:

Article

Novel heterocycles. 8. Fused isoquinolines derived from the reaction of homophthalic anhydride with cyclic imino ethers.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 767, doi. 10.1002/jhet.5570180427

By:

Coppola, Gary M.

Publication type:

Article

Synthesis of 2,3-dihydrospiro[benzofuran-2,4′ -piperidines] and 2,3-dihydrospiro[benzofuran-2,3′-pyrrolidines].

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 811, doi. 10.1002/jhet.5570180438

By:

Effland, Richard C.;
Gardner, Beth Ann;
Strupczewski, Joseph

Publication type:

Article

The thiomethylation of substituted glutarimides.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 687, doi. 10.1002/jhet.5570180409

By:

Seitz, David E.;
Needham, Fang-Ling

Publication type:

Article

The synthesis of 1-haloalkyl-1,3,4,5-tetrahydro-2-benzoxepins.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 821, doi. 10.1002/jhet.5570180440

By:

Tenbrink, Ruth E.;
Mccall, John M.

Publication type:

Article

Transformation thermique des β-(méthyl-2 furyl)-3 acryloylazides: Nouveau mode de formation de certaines pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 755, doi. 10.1002/jhet.5570180424

By:

Bisagni, Emile;
Lhoste, Jean-Marc;
Hung, Nguyen Chi

Publication type:

Article

Sur un transformation inattendue de l'amino-3 nitro-2 benzofuranne par l'acide acétique.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 695, doi. 10.1002/jhet.5570180411

By:

Demerseman, Pierre;
Rissé, Simone;
Royer, RenÉ

Publication type:

Article

Studies on the synthesis of heterocyclic compounds. Part VI. The action of methyl salicylate on some 5-aminopyrazoles.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 747, doi. 10.1002/jhet.5570180422

By:

Daidone, Giuseppe;
Plescia, Salvatore

Publication type:

Article

Functional derivatives of thiophene. I. Synthesis and <sup>1</sup>H-NMR spectra in the 2-aminothiophene series.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 851, doi. 10.1002/jhet.5570180450

By:

Galvez, C.;
Garcia, F.

Publication type:

Article

Substituent effects in heterocyclic systems by carbon-13 nuclear magnetic resonance. Isoxazoles.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 795, doi. 10.1002/jhet.5570180433

By:

Chrisope, Douglas R.;
Keel, Rebecca A.;
Baumstark, Alfons L.;
Boykin, David W.

Publication type:

Article

Pyoluteorin derivatives. II. Synthetic approaches to pyrrole ring substituted pyoluteorins.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 667, doi. 10.1002/jhet.5570180404

By:

Cue, Berkeley W.;
Chamberlain, Nancy

Publication type:

Article

Selenium heterocycles. XXXII.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 789, doi. 10.1002/jhet.5570180432

By:

Shafiee, A.;
Kiaeay, G.;
Vosooghi, M.

Publication type:

Article

The chemistry of carbazoles. VIII. Effect of methyl groups on the electronic spectra of carbazole.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 715, doi. 10.1002/jhet.5570180415

By:

Tsunashima, Yutaka;
Kuroki, Masatane

Publication type:

Article

Free-radical reactions of diazonium salts with α,β-unsaturated carbonyl compounds. A new synthesis of 1,4-diarylpyrazole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 763, doi. 10.1002/jhet.5570180426

By:

Citterio, Attilio;
Ramperti, Massimo;
Vismara, Elena

Publication type:

Article

Dilithiation of 1-benzenesulfonylindoles.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 807, doi. 10.1002/jhet.5570180437

By:

Sundberg, Richard J.;
Broome, Rita;
Walters, Claudia Powers;
Schnur, Dora

Publication type:

Article

Synthesis of [9][3,6]- s-tetrazinophane.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 685, doi. 10.1002/jhet.5570180408

By:

Beccalli, Egle M.;
Puppo, Marina Del;
Licandro, Emanuela;
Marchesini, Alessandro

Publication type:

Article

Novel heterocycles. 9. Synthesis of the benzofuro[2,3- c][1,2]thiazine ring system.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 845, doi. 10.1002/jhet.5570180448

By:

Coppola, Gary M.

Publication type:

Article

Linear free energy ortho-correlations in the thiophene series. Part IX.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 735, doi. 10.1002/jhet.5570180419

By:

Noto, Renato;
Buscemi, Silvestre;
Consiglio, Giovanni;
Spinelli, Domenico

Publication type:

Article

A short synthesis of 5-methylhistamine.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 831, doi. 10.1002/jhet.5570180443

By:

Pfister, Jürg R.;
Kurz, Walter;
Harrison, Ian T.

Publication type:

Article

Pyrrolo[1,2- d]triazines-1,2,4 III. Etude de la dioxo-1,4 tetrahydro-1,2,3,4 pyrrolo[1,2- d]triazine-1,2,4.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 743, doi. 10.1002/jhet.5570180421

By:

Lancelot, Jean-Charles;
Et MaxRobba, Daniel Maume

Publication type:

Article

The chemistry of carbazoles. VII. Syntheses of methylcarbazoles.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 709, doi. 10.1002/jhet.5570180414

By:

Kuroki, Masatane;
Tsunashima, Yutaka

Publication type:

Article

Pyrrolo[1,2- a]thieno[3,2- e]pyrazines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 739, doi. 10.1002/jhet.5570180420

By:

Rault, Sylvain;
De Sévricourt, Michel Cugnon;
Dung, Nguyen-Huy;
Robba, Max

Publication type:

Article

Synthesis of 3-substituted 7-(3,3-dimethyl-1-triazeno)-10-methylphenothiazines as potential antitumor agents.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 759, doi. 10.1002/jhet.5570180425

By:

Lin, Ai Jeng;
Kasina, Sudhaka

Publication type:

Article

Alkylation et acylation d'acridanones-9.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 841, doi. 10.1002/jhet.5570180447

By:

Blanchard, Christiane;
Montginoul, Claude;
Torreilles, Eliane;
Giral, Louis

Publication type:

Article

Nouvelles voies d'accès à des aryl-4 thiéno[2,3- c]pyridines et à des aryl-7 thiéno[3,2- c]pyridines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 727, doi. 10.1002/jhet.5570180418

By:

Maffrand, Jean-Pierre;
Boigegrain, Robert;
Courregelongue, Jean;
Ferrand, Gerard;
Frehel, Daniel

Publication type:

Article

Synthesis of 2-aminochromones. Studies on the nucleophilic displacement of sulphinyl and sulphonyl groups in the 2-position of 5,8-dimethoxychromone.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 679, doi. 10.1002/jhet.5570180407

By:

Bantick, J. R.;
Suschitzky, J. L.

Publication type:

Article

Synthesis of some imidazole- and pyrazole- derived chelating agents.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 803, doi. 10.1002/jhet.5570180436

By:

Addison, Anthony W.;
Burke, Philip J.

Publication type:

Article

Reactions of 2-chloro-2-(4-pyridyl)propane with nucleophiles. Substitution on tertiary carbon.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 783, doi. 10.1002/jhet.5570180431

By:

Feuer, Henry;
Doty, James K.;
Kornblum, Nathan

Publication type:

Article

Imidazo[1,2-α]pyridine anthelmintics. Synthesis of 6-phenylaminoimidazo[1,2-α]pyridine-2-carbamate and 5-acylaminopyridines by a chapman rearrangement.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 659, doi. 10.1002/jhet.5570180402

By:

Peterson, L. H.;
Douglas, A. W.;
Tolman, R. L.

Publication type:

Article

Synthesis of 5 H-benzothiazolo[3,2- a]quinazolin-5-ones.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 801, doi. 10.1002/jhet.5570180435

By:

Kim, Dong Han

Publication type:

Article

Reissert compound studies. XLI. Synthesis and reactions of the pyrrolo[1,2-α]quinoxaline reissert compound and its analogs.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 775, doi. 10.1002/jhet.5570180429

By:

Veeraraghavan, S.;
Popp, F. D.

Publication type:

Article

Electronic structure and molecular conformation of furan and pyrrole azomethines. An ab initio molecular orbital study.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 703, doi. 10.1002/jhet.5570180413

By:

Millefiori, S.;
Millefiori, A.

Publication type:

Article

Heterocyclic systems. II. Synthesis of 4 H,6 H-pyrrolo[1,2- a][4,1]benzoxazepine.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 829, doi. 10.1002/jhet.5570180442

By:

Massa, Silvio;
Corelli, Federico;
Stefancich, Giorgio

Publication type:

Article

Reactions with diazoazoles. Part IV.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 675, doi. 10.1002/jhet.5570180406

By:

Ege, GÜNter;
Gilbert, Karlheinz

Publication type:

Article

Anti-configuration of the N = N bond in azobilirubin pigments.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 837, doi. 10.1002/jhet.5570180446

By:

Salmón, Manuel;
Rubio, Manuel;
Cetina, Raul

Publication type:

Article

Mononuclear heterocyclic rearrangement. Part 6.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 723, doi. 10.1002/jhet.5570180417

By:

Frenna, Vincenzo;
Vivona, NicolÒ;
Spinelli, Domenico;
Consiglio, Giovanni

Publication type:

Article

Synthesis of 5-ethynylorotic acid.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 771, doi. 10.1002/jhet.5570180428

By:

Bhatt, Ram S.;
Kundu, Nitya G.;
Chwang, T. Ling;
Heidelberger, Charles

Publication type:

Article

Novel tetracyclic spiropiperidines. II. Synthesis of 2-aryl-2,3-dihydrospiro[benzofuran-3,4′-piperidines].

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 815, doi. 10.1002/jhet.5570180439

By:

Ong, Helen H.;
Agnew, Marc N.

Publication type:

Article

Pipérazinediones-2,5. 2. Les acides dioxothiazolidino pipérazine carboxyliques et leurs dérivés désulfurés.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 4, p. 779, doi. 10.1002/jhet.5570180430

By:

Jerumanis, Stanislas;
Lemieux, Alain

Publication type:

Article