Works matching IS 0022152X AND DT 1998 AND VI 35 AND IP 6

Results: 56

Synthesis of 7-benzoxazol-2-yl and 7-benzothiazol-2-yl-6-fluoroquinolones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1301, doi. 10.1002/jhet.5570350610

By:

Richardson, Thomas O.;
Shanbhag, Vinayak P.;
Adair, Kimberly;
Smith, Shantel

Publication type:

Article

A convenient synthesis of 2-amino-4 H-1,3,4-oxadiazino[5,6- b]-quinoxaline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1515, doi. 10.1002/jhet.5570350650

By:

Kim, Ho Sik;
Kim, Tong Eun;
Lee, Seong Uk;
Kim, Dong Il;
Han, Sung Wook;
Okamoto, Yoshihisa;
Mitomi, Takako;
Kurasawa, Yoshihisa

Publication type:

Article

Synthesis of 2-styrylthiazolo[4,5- b]quinoxaline based fluorescent dyes.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1353, doi. 10.1002/jhet.5570350621

By:

Rangnekar, D. W.;
Sonawane, N. D.;
Sabnis, R. W.

Publication type:

Article

Reactions of 3-acetyltropolone with benzaldehydes in trimethyl orthoformate in the presence of perchloric acid: Synthesis of 2-aryl-4-methoxy-9-oxocyclohepta[ b]pyrylium perchlorates.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1413, doi. 10.1002/jhet.5570350632

By:

Wang, Dao-Lin;
Imafuku, Kimiaki

Publication type:

Article

Reaction of 1-chloromethyl-4,5-dichloropyridazin-6-one.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1257, doi. 10.1002/jhet.5570350603

By:

Chung, Hyun-A;
Kang, Young-Jin;
Yoon, Yong-Jin

Publication type:

Article

Synthesis of novel pyrindine derivatives from a facile reaction of 2,5-bisarylidenecyclopentanone and malononitrile.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1473, doi. 10.1002/jhet.5570350643

By:

Al-Arab, Mohammad M.;
Al-Saleh, Fowzia S.;
Mayoof, Sadeq M.

Publication type:

Article

Syntheses and properties of chiral pentahomothiazacalix[3]arenes.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1317, doi. 10.1002/jhet.5570350614

By:

Ito, Kazuaki;
Ohba, Yoshihiro;
Sone, Tyo

Publication type:

Article

A facile one-pot synthesis of 2,5-disubstituted oxazoles using iodobenzene diacetate.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1533, doi. 10.1002/jhet.5570350654

By:

Varma, Rajender S.;
Kumar, Dalip

Publication type:

Article

Synthesis of indolizidinediones annelated to a furan ring.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1371, doi. 10.1002/jhet.5570350625

By:

Szemes, Fridrich;
Marchalín, ŠTefan;
Bar, Nathalie;
Decroix, Bernard

Publication type:

Article

Synthetic and spectroscopic study of 5-amino-2-acyl-1,2,4-thiadiazolin-3-ones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1435, doi. 10.1002/jhet.5570350636

By:

Ra, Do Young;
Cho, Nam Sook;
Moon, Jung Hyun;
Kang, Sung Kwon

Publication type:

Article

Transformation of 4-(1-dimethylaminoethylidene)-2-phenyl-5(4 H)-oxazolone into methyl 2-benzoylamino-3-oxobutanoate. The synthesis of 1-substituted 4-benzoylamino-3-methyl-5(2 H)-pyrazolones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1281, doi. 10.1002/jhet.5570350607

By:

Bratušek, UrŠKa;
Hvala, AleŠ;
Stanovnik, Branko

Publication type:

Article

Benzofuran systems. Regioselective bromination and some other reactions of 1-(3-benzofuranyl)-2-phenylethanones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1501, doi. 10.1002/jhet.5570350647

By:

Kwiecień, Halina;
Baumann, Ernst

Publication type:

Article

Reactions of 2-aryl-4-methoxy-9-oxocyclohepta[ b]pyrylium perchlorates with hydroxylamine and hydrazines.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1339, doi. 10.1002/jhet.5570350618

By:

Wang, Dao-Lin;
Imafuku, Kimiaki

Publication type:

Article

Synthesis of 4-aryl-2,3,6,7-tetrahydro-1 H-pyrimido[4,5- b][1,4]-diazepin-6-ones from 4,5-diamino-1 H-pyrimidin-6-ones and 1-aryl-3-(dimethylamino)-1-propanones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1397, doi. 10.1002/jhet.5570350629

By:

Insuasty, Braulio;
Quiroga, Jairo;
Argoti, Juan Carlos;
Gómez, Samuel;
Martínez, Roberto;
Angeles, Enrique;
Gabiño, Rubén;
Nogueras, Manuel;
Sánchez, Adolfo

Publication type:

Article

Reductive metallation of 6-methyl-2,3-diphenylquinoxaline. Synthesis of 1,4-dihydro-1,4-diazine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1349, doi. 10.1002/jhet.5570350620

By:

Öcal, Nüket;
Turgut, Zuhal;
Kaban, Şniz

Publication type:

Article

Unusual behavior of pyrazolo[1,2- a]pyrazoles in fast atom bombardment (fab) and frit-fast atom bombardment (Frit-FAB) mass spectrometry. Influence of the matrix.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1405, doi. 10.1002/jhet.5570350631

By:

Enjalbal, Christine;
Aubagnac, Jean-Louis;
Trofimenko, Swiatoslaw;
Claramunt, Rosa;
Sanz, Dionisia;
Elguero, José

Publication type:

Article

Furopyridines. XXVIII.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1249, doi. 10.1002/jhet.5570350602

By:

Yamaguchi, Seiji;
Awajima, Kazuaki;
Hirai, Yoshiro;
Yokoyama, Hajime;
Shiotani, Shunsaku

Publication type:

Article

Computational investigation of the suitability of heterocyclic aromatic compounds with two heteroatoms in the 1 and 3 ring positions as dienes for the diels alder reaction.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1467, doi. 10.1002/jhet.5570350642

By:

Jursic, Branko S.

Publication type:

Article

First synthesis of 5,6-dihydro-4 H-furo[3,2- f]pyrrolo- [1,2- a][1,4]diazepines.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1313, doi. 10.1002/jhet.5570350613

By:

Feng, Xiao;
Lancelot, Jean-Charles;
Gillard, Alain-Claude;
Landelle, Henriette;
Rault, Sylvain

Publication type:

Article

Urea as leaving group in the synthesis of 3-( tert-butyl)perhydro-1,5,3-dithiazepine.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1531, doi. 10.1002/jhet.5570350653

By:

Wellmar, Ulf

Publication type:

Article

Cryptolepinone vs. Hydroxycryptolepine: Resolution of a question of substituent functionality and double bond isomerization.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1365, doi. 10.1002/jhet.5570350624

By:

Sharaf, Maged H. M.;
Schiff, Paul L.;
Tackie, Albert N.;
Martin, Gary E.

Publication type:

Article

Synthesis and reduction of thieno[2′,3′(3′,2′ or 3′,4′):5,6]-azocino[2,1- a]isoindole-7, 13-diones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1429, doi. 10.1002/jhet.5570350635

By:

Othman, Mohamed;
Pigeon, Pascal;
Decroix, Bernard

Publication type:

Article

The synthesis of ethyl 2-[(2,2-dibenzoyl)ethenyl]amino-3-dimethyl-aminopropenoate and its application to the synthesis of fused 3-aminopyran-2-ones and 3-aminoazolo- and -azinopyrimidin-4(4 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1275, doi. 10.1002/jhet.5570350606

By:

Soršak, Gorazd;
Stanovnik, Branko;
Grdadolnik, Simona GoliČ

Publication type:

Article

Synthesis of pyrazolecarbonylaminopyridinecarboxamides as herbicides.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1493, doi. 10.1002/jhet.5570350646

By:

Parlow, John J.

Publication type:

Article

A new tautomeric zwitterion form of 2-acylamino-4 H-1,3,4-oxadiazino[5,6- b]quinoxalines in solution.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1333, doi. 10.1002/jhet.5570350617

By:

Kurasawa, Yoshihisa;
Mitomi, Takako;
Okamoto, Yoshihisa;
Kim, Ho Sik

Publication type:

Article

A convenient synthesis of (z)-3-(α-alkoxycarbonyl-α-cyanomethylene)-2-oxo-1,2,3,4-tetrahydroquinoxalines and related compounds.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1389, doi. 10.1002/jhet.5570350628

By:

Yamada, Yoichi;
Yasuda, Heinosuke

Publication type:

Article

2,2-Dioxo-1 H-thieno[3,4- c][1,2]thiazines. Synthesis and some reactions of a new heterocycle.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1449, doi. 10.1002/jhet.5570350639

By:

Fanghänel, Egon;
Bartossek, Hagen;
Baumeister, Ute;
Biedermann, Matthias;
Hartung, Helmut

Publication type:

Article

Chemoselective synthesis of 1-alkyl-4-(4-amino-2,6-dichlorophenoxy)-5-halopyridazin-6-ones.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1401, doi. 10.1002/jhet.5570350630

By:

Kweon, Deok-Heon;
Chung, Ju-Wha;
Cho, Su-Dong;
Kim, Sung-Kyu;
Yoon, Yong-Jin

Publication type:

Article

Furopyridines. XXVII.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1237, doi. 10.1002/jhet.5570350601

By:

Yamaguchi, Seiji;
Kurosaki, Masahide;
Orito, Keiko;
Yokayama, Hajime;
Hirai, Yoshiro;
Shiotani, Shunsaku

Publication type:

Article

α,ω-Bis(4-substituted-3-quinolinylthio)alkanes from reactions of thioquinanthrene with alkoxides.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1461, doi. 10.1002/jhet.5570350641

By:

Boryczka, Stanislaw

Publication type:

Article

Synthesis of 6-cyanopyrido[2,3- d]pyrimidinones in the reaction of 6-amino-4-pyrimidinones with arylidene derivatives of malonodinitrile.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1309, doi. 10.1002/jhet.5570350612

By:

Quiroga, Jairo;
Alvarado, Mario;
Insuasty, Braulio;
Nogueras, Manuel;
Sánchez, Adolfo;
Cobo, Justo

Publication type:

Article

Transformations of methyl 2-(2,2-disubstituted-ethenyl)amino-3-dimethylaminopropenoates. The synthesis of methyl 1-heteroaryl-1 H-imidazole-4-carboxylates.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1527, doi. 10.1002/jhet.5570350652

By:

Selič, Lovro;
Stanovnik, Branko

Publication type:

Article

Stereoselective photo[4+2]cycloadditions of 2-pyrone-5-carboxylates with maleimides in the solid state and in solution.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1361, doi. 10.1002/jhet.5570350623

By:

Obata, Tom;
Shimo, Tetsuro;
Suishu, Takaaki;
Somekawa, Kenichi

Publication type:

Article

Pyridazines. XV. Synthesis of 6-aryl-5-amino-3(2 H)-pyridazinones as potential platelet aggregation inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1421, doi. 10.1002/jhet.5570350634

By:

Estevez, Isabel;
Raviña, Enrique;
Sotelo, Eddy

Publication type:

Article

Definitive structural assignment of condensation products from anthranilamide and 3-amino-2-carbamoylthiophene with ketones. Formation of tetrahydroquinazolinones and their thiophene isosteres.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1269, doi. 10.1002/jhet.5570350605

By:

Klemm, Leroy H.;
Weakley, Timothy J. R.;
Gilbertson, Robert D.;
Song, Yang-Heon

Publication type:

Article

Studies on the synthesis of some dihydropyridine derivatives possessing calcium antagonistic activity.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1485, doi. 10.1002/jhet.5570350645

By:

Kilcigil, Gülgün Ayhan;
Ertan, Rahmiye;
Özbey, Süheyla;
Kendi, Engin

Publication type:

Article

Synthesis of the bi-heterocyclic parent ring system 1,2,4-triazolo[4,3- b][1,2,4,5]tetrazine and some 3,6-disubstituted derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1329, doi. 10.1002/jhet.5570350616

By:

Chavez, David E.;
Hiskey, Michael A.

Publication type:

Article

Manganese triacetate oxidation of phenolic schiffs bases: Synthesis of 2-arylbenzoxazoles.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1539, doi. 10.1002/jhet.5570350656

By:

Varma, Rajender S.;
Kumar, Dalip

Publication type:

Article

Synthesis of new proton-ionizable and neutral macrocyclic, macrobicyclic and macrotricyclic crown compounds containing dibenzo-16-crown-5 units.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1381, doi. 10.1002/jhet.5570350627

By:

Xia, Michael X. B.;
Wai, Chien M.;
Natale, N. R.;
Elshani, Sadik;
Bartsch, Richard A.;
Widener, Rexford W.

Publication type:

Article

Total synthesis of 5-demethylellipticine.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1445, doi. 10.1002/jhet.5570350638

By:

Ergün, Yavuz;
Patir, Süleyman;
Okay, Gürol

Publication type:

Article

Synthesis of 7 H-tetrazolo[1,5- c]pyrrolo[3,2- e]pyrimidines and their reductive ring cleavage to 4-aminopyrrolo[2,3- d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1295, doi. 10.1002/jhet.5570350609

By:

Dave, Chaitanya G.;
Shah, Rina D.

Publication type:

Article

Steric promotion of cyclization reactions: Substituent effect studies in the furan intramolecular diels-alder reaction.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1509, doi. 10.1002/jhet.5570350649

By:

Mcnelis, Brian J.;
Starr, Jeremy T.;
Dang, Hung

Publication type:

Article

3-Benzoyl-3,4-dihydro-2 H,5 H-1-benzopyrano[4,3- b]pyran-5-ones by condensation of 4-hydroxycoumarins with enone mannich bases.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1455, doi. 10.1002/jhet.5570350640

By:

Girreser, Ulrich;
Heber, Dieter;
Schütt, Martin

Publication type:

Article

Furopyridines. XXV.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1305, doi. 10.1002/jhet.5570350611

By:

Yamaguchi, Seiji;
Kurosaki, Masahide;
Yokoyama, Hajime;
Hirai, Yoshiro;
Shiotani, Shunsaku

Publication type:

Article

Studies on the chemistry of thienoannelated o,n- and s,n-containing heterocycles. 16.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1521, doi. 10.1002/jhet.5570350651

By:

Erker, Thomas

Publication type:

Article

The preparation of 4-oxo- N-aryl-4 H-1-benzopyran-2-acetamides by the condensation/cyclization of trilithiated acetoacetanilides with lithiated methyl salicylates.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1357, doi. 10.1002/jhet.5570350622

By:

Hurst, Douglas R.;
French, Kristen L.;
Angel, April J.;
Williams, Angela R.;
Rampey, Mary E.;
Guion, Tina S.;
Chan, Kam W.;
Kassis, Camille M.;
Martinez, Shannon L. Studer;
Beam, Charles F.

Publication type:

Article

Synthesis of perimidine and fused perimidine derivatives from reaction of 1,8-naphthalenediamine with an iminoisocoumarin.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1417, doi. 10.1002/jhet.5570350633

By:

Deady, Leslie W.;
Rodemann, Thomas

Publication type:

Article

Alkylation and arylation of pyrazoles under solvent-free conditions: Conventional heating versus microwave irradiation.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1263, doi. 10.1002/jhet.5570350604

By:

Almena, Inés;
Díz-Barra, Enrique;
De La Hoz, Antonio;
Ruiz, Juliana;
Sínchez-Migallón, Ana;
Elguero, José

Publication type:

Article

Synthesis of isoindolo[1,3]benzoxazine derivatives through intramolecular arylation of N-acyliminium ions.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1477, doi. 10.1002/jhet.5570350644

By:

Hucher, Nicolas;
Daïch, Adam;
Decroix, Bernard

Publication type:

Article

Synthesis and spectroscopic properties of 4-(4-carboxyphenyl)-3,3′,5′-trimethyl-2,2′-pyrromethen-1,1′-BF<sub>2</sub> complex and its methyl ester.

Published in:

Journal of Heterocyclic Chemistry, 1998, v. 35, n. 6, p. 1325, doi. 10.1002/jhet.5570350615

By:

Cheng, Lingjiang;
Lightner, David A.

Publication type:

Article