Works matching IS 0022152X AND DT 1999 AND VI 36 AND IP 3

Results: 41

Studies on the preparation of 3,4-disubstituted 2-methoxypyridines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 653, doi. 10.1002/jhet.5570360313

By:

Pelisson, Marcelo M. M.;
Silva, Gil Valdo José Da;
Clive, Derrick L. J.;
Coltart, Don M.;
Hof, Fraser A.

Publication type:

Article

The solid-state michael addition of indole to 4-arylidene-3-methyl-5-pyrazolone.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 697, doi. 10.1002/jhet.5570360320

By:

Li, Xiao-Liu;
Wang, Yong-Mei;
Matsuura, Teruo;
Meng, Ji-Ben

Publication type:

Article

Ring transformation of 3-halo-4-methoxycoumarins into pyrazoles with hydrazines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 767, doi. 10.1002/jhet.5570360331

By:

Morita, Hikari;
Harada, Kazuho;
Okamoto, Yoshihisa;
Takagi, Kaname

Publication type:

Article

Reductive cyclization of carbohydrate 2-nitrophenylhydrazones to chiral functionalized 1,2,4-benzotriazines and benzimidazoles.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 589, doi. 10.1002/jhet.5570360302

By:

Andersch, Jens;
Sicker, Dieter

Publication type:

Article

Synthesis and spectral properties of 2,3-dihydro-2-[( o- and p-substituted)anilinylidene]-1 H-4-( p-methylphenyl)-7-[( o- and p-methyl)phenoxy]-1,5-benzodiazepines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 611, doi. 10.1002/jhet.5570360306

By:

Cortés, Eduardo Cortés;
Bravo, Maria Paz Sánchez

Publication type:

Article

One-step synthesis of novel 2,4-diaminopyrimidine antifolates from bridged alicyclic ketones and cyanoguanidine.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 723, doi. 10.1002/jhet.5570360324

By:

Rosowsky, Andre;
Papoulis, Andrew T.;
Queener, Sherry F.

Publication type:

Article

Ring transformations of heterocyclic compounds. XVII.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 813, doi. 10.1002/jhet.5570360339

By:

Zimmermann, Thomas

Publication type:

Article

An improved synthetic approach to thieno[2,3- d]-1,2,3-thiadiazolecarboxylates via diazotization of aminothiophene derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 761, doi. 10.1002/jhet.5570360330

By:

Stanetty, Peter;
Görner, Erwin;
Mihovilovic, Marko D.

Publication type:

Article

Reductive ring cleavage of 1-alkyl-4-benzoylamino-5-phenyl-3-pyrazolidinones with raney-nickel alloy. Synthesis of N-benzoyl-3-alkylamino-3-phenylalanine amides from rel-(4 R,5 R)-4-benzoylamino-5-phenyl-3-pyrazolidinone.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 607, doi. 10.1002/jhet.5570360305

By:

Zupančič, Silvo;
Svete, Jurij;
Stanovnik, Branko

Publication type:

Article

Polycyclic N-heterocyclic compounds. 55.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 787, doi. 10.1002/jhet.5570360335

By:

Zhang, Ying-Xue;
Sasaki, Kenji;
Hirota, Takashi

Publication type:

Article

Synthesis and NMR investigation of 3,4-diazabicyclo[4.3.0]non-2-ene and N,N'-azo-3-azabicyclo[3.3.0]octane. X-ray crystal structure analysis of a new tetrazene derivative.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 681, doi. 10.1002/jhet.5570360317

By:

Delalu, H.;
Elkhatib, M.;
Peyrot, L.;
Fenet, B.;
Mentzen, B. F.

Publication type:

Article

Synthesis of new pyrazolo[4,3- c]quinolin-3-one derivatives and some oxazolo[4,5- c]quinoline-2,4-diones.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 719, doi. 10.1002/jhet.5570360323

By:

Ismaïli, Lhassane;
Refouvelet, Bernard;
Robert, Jean François

Publication type:

Article

Reaction of E-2-arylidene-1-indanones, Z-aurones, Z-1-thioaurones and Z-2-arylidene-2,3-dihydro-1 H-indol-3-ones with diazomethane.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 747, doi. 10.1002/jhet.5570360328

By:

Lévai, Albert;
Patonay, Tamás

Publication type:

Article

Studies on pyrazines. 35.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 783, doi. 10.1002/jhet.5570360334

By:

Sato, Nobuhiro;
Narita, Nobuhiko

Publication type:

Article

Cyclization of 2- and 3-indolylthiobenzoic, phenylacetic and nicotinic acids and esters to novel indole-containing tetracyclic ring systems.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 643, doi. 10.1002/jhet.5570360312

By:

Hamel, Pierre;
Girard, Mario;
Tsou, Nancy N.

Publication type:

Article

The chemistry of 4 H-3,1-benzoxazin-4-ones.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 563, doi. 10.1002/jhet.5570360301

By:

Coppola, Gary M.

Publication type:

Article

Synthesis and X-ray structure of a novel 1,2,4-trithiolane.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 823, doi. 10.1002/jhet.5570360341

By:

Bryce, Martin R.;
Lay, Alexander K.;
Batsanov, Andrei S.;
Howard, Judith A. K.

Publication type:

Article

N-(2-tetrahydrofuranyl)azole nucleoside analogs by reactions of azoles with dihalomethanes in tetrahydrofuran.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 623, doi. 10.1002/jhet.5570360308

By:

Zadykowicz, Jerzy;
Potvin, Pierre G.

Publication type:

Article

EIMS study of new isomeric N-substituted hydrazones of 2-(3- and 4-)-pyridinecarboxaldehydes.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 739, doi. 10.1002/jhet.5570360327

By:

Wyrzykiewicz, E.;
Prukała, D.

Publication type:

Article

A facile and convenient method for the preparation of macrocyclic diamides.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 601, doi. 10.1002/jhet.5570360304

By:

Sharghi, Hashem;
Niknam, Khodabakhsh;
Massah, Ahmad Reza

Publication type:

Article

A quantitative study of substituent effects on oxidative cyclization of some 2-aryl-substituted aldehyde thiosemicarbazones induced by ferric chloride and cupric perchlorate.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 667, doi. 10.1002/jhet.5570360315

By:

Noto, Renato;
Meo, Paolo Lo;
Gruttadauria, Michelangelo;
Werber, Giuseppe

Publication type:

Article

Synthesis and spectral data of unknown lilolidine spiro derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 675, doi. 10.1002/jhet.5570360316

By:

Palma R, Alirio;
Silva, Javier;
Stashenko, Elena;
Martínez, Jairo René;
Kouznetsov, Vladimir

Publication type:

Article

New 2-substituted 4-hydroxy-2 H-1,2-benzothiazine-3-carboxamide 1,1-dioxides: Spectral and pharmacological properties.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 803, doi. 10.1002/jhet.5570360338

By:

Maso, Monica Dal;
Perillo, Isabel A.;
Schapira, Celia B.;
Gorzalczany, Susana;
Acevedo, María C.;
Sicardi, Susana M.

Publication type:

Article

A new domino reaction based on [4+2]-cycloadditions of pyrido[1,2- a]pyrazines with azadienophiles.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 627, doi. 10.1002/jhet.5570360309

By:

Billert, Thomas;
Beckert, Rainer;
Brandenburg, Jörg;
Fehling, Peer;
Döring, Manfred;
Görls, Helmar;
Langer, Peter

Publication type:

Article

Facile synthesis of furobenzothiazepines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 819, doi. 10.1002/jhet.5570360340

By:

Ogawa, Masayuki;
Koyanagi, Jyunichi;
Sakuma, Katsuya;
Tanaka, Akira;
Yamamoto, Katsumi

Publication type:

Article

Synthesis of purinobenzodiazepine and purinobenzotriazocine derivatives, two new heterocyclic ring systems.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 639, doi. 10.1002/jhet.5570360311

By:

Settimo, Antonio Da;
Primofiore, Giampaolo;
Marini, Anna Maria;
Settimo, Federico Da;
La Motta, Concettina;
Salerno, Silvia

Publication type:

Article

An efficient general synthesis of 1-(benzotriazol-1-yl)alkyl esters.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 777, doi. 10.1002/jhet.5570360333

By:

Katritzky, Alan R.;
Pastor, Alfredo;
Voronkov, Michael V.

Publication type:

Article

Chalcogenopyranones from disodium chalcogenide additions to 1,4-pentadiyn-3-ones. The role of enol ethers as intermediates.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 707, doi. 10.1002/jhet.5570360322

By:

Leonard, Kristi;
Nelen, Marina;
Raghu, Madhavi;
Detty, Michael R.

Publication type:

Article

Polycyclic systems: Synthesis of isoindolo[2,1- b]-pyrrolo[1,2- d][2,4]benzodiazocine and isoindolo-[1,2- d]pyrrolo[1,2- a] [1,5]benzodiazocine.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 735, doi. 10.1002/jhet.5570360326

By:

Othman, Mohamed;
Pigeon, Pascal;
Decroix, Bernard

Publication type:

Article

Oxidative ring-opening of rel-(2 R,3 R,5 S)-5-aryl-2-benzoylamino-6,7-bis(methoxycarbonyl)-2,3-dihydro-1-oxo-3-phenyl-1 H,5 H-pyrazolo[1,2- a]-pyrazoles. Synthesis of rel-(2 R,3 R)-3-phenyl-3-[5-aryl-3,4-bis(methoxycarbonyl)pyrazolyl-1]alanine esters.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 799, doi. 10.1002/jhet.5570360337

By:

Prešeren, Andrej;
Svete, Jurij;
Stanovnik, Branko

Publication type:

Article

Acyliminium ion-olefin cyclization leading to isoindolo[2,1- a]quinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 691, doi. 10.1002/jhet.5570360319

By:

Pigeon, Pascal;
Othman, Mohamed;
Netchitaïlo, Pierre;
Decroix, Bernard

Publication type:

Article

An alternative synthesis of piritrexim, a lipophilic inhibitor of human dihydrofolate-reductase.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 703, doi. 10.1002/jhet.5570360321

By:

Troschütz, Reinhard;
Zink, Mario;
Gnibl, Rainer

Publication type:

Article

Reaction of 4,5-diamino-3-methyl-1-phenylpyrazole with 3-dimethylaminopropiophenones. Synthesis of new 4-aryl-6-methyl-8-phenyl-2,3-dihydropyrazolo[3,4- b]diazepines and 4-aryl-8-methyl-6-phenyl-2,3-dihydropyrazolo[4,3- b]diazepines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 635, doi. 10.1002/jhet.5570360310

By:

Insuasty O, Braulio;
Insuasty I, Henry;
Quiroga P, Jairo;
Saitz, Claudio;
Jullian, Carolina

Publication type:

Article

Synthesis of methyl 3-amino-4-aryl(or methyl)sulfonyl-2-thiophenecarboxylates from 3-alkoxy-2-aryl(or methyl)-sulfonylacrylonitriles.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 659, doi. 10.1002/jhet.5570360314

By:

Stephens, Chad E.;
Price, Matthew B.;
Sowell, J. Walter

Publication type:

Article

Syntheses of diaza-18-crown-6 ligands containing two units each of 4-hydroxyazobenzene, benzimidazole, uracil, anthraquinone, or ferrocene groups.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 771, doi. 10.1002/jhet.5570360332

By:

Su, Ning;
Bradshaw, Jerald S.;
Zhang, Xian X.;
Savage, Paul B.;
Krakowiak, Krzysztof E.;
Izatt, Reed M.

Publication type:

Article

Aminopyrazoles and their conjugated acids. An X-ray study of 3,5-dimethyl-4-aminopyrazole and the Picrate of 3(5)-aminopyrazole.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 595, doi. 10.1002/jhet.5570360303

By:

Infantes, Lourdes;
Foces-Foces, Concepción;
Claramunt, Rosa María;
López, Concepción;
Eiguero, José

Publication type:

Article

Synthesis of pyrido[4,3,2- de]quinazolines via nitro-substituted tetrahydroquinolines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 755, doi. 10.1002/jhet.5570360329

By:

Katritzky, Alan R.;
Strah, Sonja;
Tymoshenko, Dmytro O.;
Johnson, Graham

Publication type:

Article

Synthesis and reactions of fluoroaryl substituted 2-amino-3-cyanopyrroles and pyrrolo[2,3- d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 729, doi. 10.1002/jhet.5570360325

By:

Dave, Chaitanya G.;
Desai, Nirmal D.

Publication type:

Article

Synthesis of some 2-substituted-thioxanthones.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 793, doi. 10.1002/jhet.5570360336

By:

Moon, Jung-Kyen;
Park, Jung-Won;
Lee, Woo Song;
Kang, Young-Jin;
Chung, Hyun-A;
Shin, Mi-Seon;
Yoon, Yong-Jin;
Park, Ki Hun

Publication type:

Article

Complete regioselective formation of 2-(arylsulfinyl)diphenyl sulfides from 5-arylthianthreniumyl perchlorates.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 617, doi. 10.1002/jhet.5570360307

By:

Kim, Jongyup;
Kim, Kab Sig;
Kim, Kyongtae

Publication type:

Article

2-Aryl-7,7-dimethyl-5,6,7,8-tetrahydrothieno[3,2- c]azepin-4-ones from 5,5-dimethyl-1,3-cyclohexanedione.

Published in:

Journal of Heterocyclic Chemistry, 1999, v. 36, n. 3, p. 687, doi. 10.1002/jhet.5570360318

By:

Martinez, Roberto;
Durán L, Ma. Esther;
Cortés L, César;
Avila Z, J. Gustavo

Publication type:

Article