Works matching IS 0022152X AND DT 1981 AND VI 18 AND IP 3

Results: 47

The synthesis of 'stretched-out' analogs of lumazine, 6,7-dimethyllumazine and 2-amino-5,6,7,8-tetrahydro-6,7-dimethyl-4-pteridinone.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 539, doi. 10.1002/jhet.5570180320

By:

Schneller, Stewart W.;
Christ, William J.

Publication type:

Article

Synthesis of New 1 H-indazole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 591, doi. 10.1002/jhet.5570180331

By:

Al-Hajjar, Farouk H.;
Hamoud, Hayat S.

Publication type:

Article

Heterocycles. 9. 2-Aryl-2 H-1,4-tetrahydrooxazines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 451, doi. 10.1002/jhet.5570180302

By:

Meyer, Donald R.;
Weintraub, Philip M.

Publication type:

Article

1,3-benzoxathioles. A simple synthesis of 3-substituted 2-hydroxybenzenethiols.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 639, doi. 10.1002/jhet.5570180342

By:

Bernard, Angela Maria;
Cabiddu, Salvatore;
Piras, Pier Paolo;
Sotgiu, Francesco

Publication type:

Article

Synthesis of pyrrolo[2,3- b]azepine-4,7-dione derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 507, doi. 10.1002/jhet.5570180313

By:

Vora, Manhar M.;
Yi, C. S.;
Blanton, C. Dewitt

Publication type:

Article

Pyrazoles. XVIII.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 559, doi. 10.1002/jhet.5570180324

By:

Berbee, Robertas P. M.;
Habraken, Clarisse L.

Publication type:

Article

Carboxylation and acylation of 4,7-dimethoxyindoles and a study of the corresponding dealkylated derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 613, doi. 10.1002/jhet.5570180335

By:

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

Publication type:

Article

Investigation of intramolecular sulfur-nitro interactions in 2-(2′-pyridylthio)-3-nitropyridine by <sup>13</sup>C-NMR spectroscopy and x-ray crystallography.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 469, doi. 10.1002/jhet.5570180306

By:

Kimura, Michio;
Simonsen, Stanley H.;
Caldwell, Steven R.;
Martin, Gary E.

Publication type:

Article

Preparation of 2,4-diarylquinolines and substituted dihydrobenz-[c]acridines by the condensation of certain c( α), o-dilithiooximes with 2-aminobenzophenones.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 649, doi. 10.1002/jhet.5570180346

By:

Park, Dorothy J.;
Fulmer, Tammy D.;
Beam, Charles F.

Publication type:

Article

The preparation of the benzo[4,5]cyclohepta[1,2- b]pyrazine and benzo[4,5]cyclohepta[1,2- b]quinoxaline systems.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 525, doi. 10.1002/jhet.5570180317

By:

Eberle, Marcel K.;
Kahle, Gerard G.

Publication type:

Article

Structure and reactions of a thiazolino[3,2- a]pyrimidine carbinolamine.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 575, doi. 10.1002/jhet.5570180328

By:

Campaigne, E.;
Folting, K.;
Huffman, J. C.;
Selby, T. P.

Publication type:

Article

Syntheses of some 2-hydroxypyrazine 1-oxides.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 555, doi. 10.1002/jhet.5570180323

By:

Ohta, Akihiro;
Masano, Sawako;
Tsutsui, Mayumi;
Yamamoto, Fusako;
Suzuki, Sumie;
Makita, Hiromi;
Tamamura, Hideo;
Akita, Yasuo

Publication type:

Article

Synthesis via pummerer intermediates. IV.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 587, doi. 10.1002/jhet.5570180330

By:

Connor, David T.;
Sorenson, Roderick J.

Publication type:

Article

New Synthesis of (±)-5-hydroxymarmesin, biogenetic precursor of the skin photosensitizing agent bergapten (5-MOP).

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 447, doi. 10.1002/jhet.5570180301

By:

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

Publication type:

Article

Anticonvulsant activity and succinate dehydrogenase inhibitory property of new substituted thiobarbiturates.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 635, doi. 10.1002/jhet.5570180341

By:

Dhasmana, Anjali;
Barthwal, J. P.;
Pandey, B. R.;
Ali, B.;
Bhargava, K. P.;
Parmar, S. S.

Publication type:

Article

A novel synthesis of 4,6-dimethyl- and diphenyl-2,5-dihydro-1,3,5,2-triazaphosphorines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 503, doi. 10.1002/jhet.5570180312

By:

Li, Ven-Shun;
Cates, Lindley A.

Publication type:

Article

1,2,4-triazines. 1. A convenient synthesis of 4,5-dihydro-1,2,4-triazin-3-(2 H)one and its 6-substituted derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 631, doi. 10.1002/jhet.5570180339

By:

Nakayama, Yoshinori;
Sanemitsu, Yuzuru;
Mizutani, Masato;
Yoshioka, Hirosuke

Publication type:

Article

The synthesis of pyridine derivatives from 3-formylchromone.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 607, doi. 10.1002/jhet.5570180334

By:

Haas, Georges;
Stanton, James L.;
Von Sprecher, Andreas;
Wenk, Paul

Publication type:

Article

The crystal structures of 10-oxa-1,4,7-trithiacyclododecane, 7,10,13-trioxa-1,4-dithiacyclopentadecane, 7,10,13,16-tetraoxa-1,4-dithiacyclooctadecane and 4,7,13,16-tetraoxa-1,10-dithiacyclooctadecane.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 463, doi. 10.1002/jhet.5570180305

By:

Dalley, N. Kent;
Larson, Steven B.;
Smith, Judith S.;
Matheson, K. Lee;
Izatt, Reed M.;
Christensen, James J.

Publication type:

Article

The photochemical synthesis of 4-acyl-1,2-dimethyl-3 H-phenothiazin-3-ones.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 645, doi. 10.1002/jhet.5570180345

By:

Ueno, Yoshio;
Takeuchi, Yutaka;
Koshitani, Jinya;
Yoshida, Takatoshi

Publication type:

Article

Ethynylogues du nicotinamide et de l'isoniazide.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 519, doi. 10.1002/jhet.5570180316

By:

Babin, Pierre;
Dunoguès, Jacques;
Duboudin, Françoise

Publication type:

Article

Synthesis of 4- β-D-arabinofuranosyl-5,6-dihydro-2 H-1,2,4-thiadiazin-3-one 1,1-dioxide and x-ray diffraction analysis of its 2′,3-anhydro precursor.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 571, doi. 10.1002/jhet.5570180327

By:

Schroeder, A. C.;
Srikrishnan, T.;
Parthasarathy, R.;
Block, A.

Publication type:

Article

Bipyrans for electrochemical studies. Preparation of polyene-separated bipyrans and bithiopyrans.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 627, doi. 10.1002/jhet.5570180338

By:

Reynolds, G. A.;
Chen, C. H.

Publication type:

Article

Reinvestigation of the stevens rearrangement of 1-benzyl-1,3,4-trimethyl-1,2,5,6-tetrahydropyridinium salts. II. Synthesis of 2-aryl-3-isopropenyl-1,3-dimethylpyrrolidines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 485, doi. 10.1002/jhet.5570180309

By:

Bosch, Joan;
Rubiralta, Mario

Publication type:

Article

Synthesis of 2,3-disubstituted-4-oxothiazolidine 1-oxides.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 633, doi. 10.1002/jhet.5570180340

By:

Omar, M. T.;
El-Khamry, A. E.;
Sherif, F. A.

Publication type:

Article

Synthesis and antihypertensive properties of a novel series of 3-substituted amino-s-triazolo[3,4-α]phthalazine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 499, doi. 10.1002/jhet.5570180311

By:

Omar, A.-Mohsen M. E.;
Kasem, M. Gabr;
Laabota, I. M.;
Bourdais, J.

Publication type:

Article

Condensation of β-cyclocitral with benzaldehyde.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 549, doi. 10.1002/jhet.5570180322

By:

Frank, Arlen W.

Publication type:

Article

Synthesis of methylpyridine derivatives. XXXV.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 603, doi. 10.1002/jhet.5570180333

By:

Kato, Tetsuzo;
Sato, Masayuki;
Wagai, Akihiro

Publication type:

Article

Regioselective N-alkylation of 1,2,6-thiadiazine 1,1-dioxide derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 459, doi. 10.1002/jhet.5570180304

By:

Goya, P.;
Martínez, P.;
Ochoa, C.;
Stud, M.

Publication type:

Article

Stereochemical assignments of the 7-phenyl-3-oxabicyclo[4.1.0]heptanes.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 643, doi. 10.1002/jhet.5570180344

By:

Corbin, Dale H.;
Hobbs, Gregory D.;
Woodyard, James D.

Publication type:

Article

Reactions of o-aminonitriles with isocyanates. 2. A facile synthesis of imidazo[1,2- c]quinazoline-2,5-(3 H,6 H)dione.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 515, doi. 10.1002/jhet.5570180315

By:

Papadopoulos, Eleftherios Paul

Publication type:

Article

Synthèse de polyéthers polycycliques. 1 Stéréosélectivité de l'hétérocyclisation d'alcools tétrahydrofurfuryliques γ,δ-éthyléniques par les sels mercuriques.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 565, doi. 10.1002/jhet.5570180326

By:

Amouroux, Roger;
Chastrette, Francine;
Chastrette, Maurice

Publication type:

Article

Mannich reaction on 2-(2-benzofuranyl)-1 H-indole. Determination of structure by NMR spectroscopic techniques.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 623, doi. 10.1002/jhet.5570180337

By:

Badger, E.;
Dicataldo, S.;
Kahle, A. D.;
Nadelson, J.;
Shapiro, M. J.

Publication type:

Article

Chemistry of the phenoxathiins and isosterically related heterocycles. XVI.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 479, doi. 10.1002/jhet.5570180308

By:

Caldwell, Steven R.;
Martin, Gary E.;
Simonsen, Stanley H.;
Inners, Ruth R.;
Willcott, M. Robert

Publication type:

Article

Investigation in tetronic acid ketoxime derivatives. Structure and beckmann rearrangement. Synthesis of 3-acetamidotetronic acids.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 535, doi. 10.1002/jhet.5570180319

By:

Gelin, Suzanne

Publication type:

Article

Novel heterocycles. 7. Reaction of 2-chloronicotinonitrile with thioureas. Synthesis of the pyrido[2,3- d]pyrimido-[2,1- b][1,3]thiazine ring system.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 495, doi. 10.1002/jhet.5570180310

By:

Coppola, Gary M.;
Shapiro, Michael J.

Publication type:

Article

Structure et synthèses nouvelles dans la série des amino-4 dihydro-5,6 méthyl-6 pyrones-2.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 543, doi. 10.1002/jhet.5570180321

By:

Nedjar-Kolli, Bellara;
Hamdi, Maamar;
Périé, Jacques;
Hérault, Valentin

Publication type:

Article

Synthesis of some 2,9-disubstituted-1,10-phenanthrolines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 599, doi. 10.1002/jhet.5570180332

By:

Chandler, Christopher J.;
Deady, Leslie W.;
Reiss, James A.

Publication type:

Article

Coupling to the pyrimido[4,5- b][1,4]oxazine ring system: Synthesis of potential antifolates.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 455, doi. 10.1002/jhet.5570180303

By:

Winchester, Merritt J.;
Zappone, Lawrence J.;
Skinner, Charles G.

Publication type:

Article

A simple synthesis of some 1,10-phenanthrolines.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 641, doi. 10.1002/jhet.5570180343

By:

Butt, Graeme;
Topsom, Ronald D.

Publication type:

Article

Reaction of 4-chloro-3-nitrocoumarin with glycine and alanine, and the synthesis of 1-benzopyrano[3,2-c]pyrimidine-3,5-dione.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 511, doi. 10.1002/jhet.5570180314

By:

Stunić, Z.;
Trkovnik, M.;
Laćan, M.;
Janković, R.

Publication type:

Article

Pyrimidinylalkylthiols, furo[2,3- d]pyrimidines and derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 581, doi. 10.1002/jhet.5570180329

By:

Furukawa, Sunao;
Takada, Mitsutaka;
Castle, Raymond N.

Publication type:

Article

The synthesis of heteroaromatic nitro compounds from 3-nitrochromone.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 619, doi. 10.1002/jhet.5570180336

By:

Haas, Georges;
Stanton, James L.;
Winkler, Tammo

Publication type:

Article

Synthesis of cis- and trans-1,3-dicarbomethoxy-2-aminoisoindoline.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 475, doi. 10.1002/jhet.5570180307

By:

Sanaa, Paolo;
Savelli, Francesco;
Cignarella, Giorgio

Publication type:

Article

The synthesis of proximal-benzolumazine, proxirnal-benzoxanthine, proximal-benzotheophylline and proximal-benzocaffeine.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 653, doi. 10.1002/jhet.5570180347

By:

Schneller, Stewart W.;
Christ, William J.

Publication type:

Article

Mass spectral fragmentation pattern of 4,4′-bipyridines. Part II. 4,4′-oxybispyridine and 4,4′-thiobispyridine.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 527, doi. 10.1002/jhet.5570180318

By:

Rockley, Jean E.;
Summers, Lindsay A.

Publication type:

Article

Cyclisation indolique selon bischler en presence d'acides de Lewis.

Published in:

Journal of Heterocyclic Chemistry, 1981, v. 18, n. 3, p. 561, doi. 10.1002/jhet.5570180325

By:

Galons, Hervé;
Girardeau, Jean-François;
Farnoux, Claude Combet;
Miocque, Marcel

Publication type:

Article