Works matching IS 0022152X AND DT 2002 AND VI 39 AND IP 6

Results: 38

Identification of degradants of a complex alkaloid using NMR cryoprobe technology and ACD/structure elucidator.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1241, doi. 10.1002/jhet.5570390619

By:

Martin, Gary E.;
Hadden, Chad E.;
Russell, David J.;
Kaluzny, Brian D.;
Guido, Jane E.;
Duholke, Wayne K.;
Stiemsma, Bruce A.;
Thamann, Thomas J.;
Crouch, Ronald C.;
Blinov, Kirill;
Elyashberg, Mikhail;
Martirosian, Eduard R.;
Molodtsov, Sergey G.;
Williams, Antony J.;
Schiff, Paul L.

Publication type:

Article

Derivatives of 5-Oxy-pyrido[2,3- b]quinoxaline-9-carboxylic acid: A tricyclic system useful for the synthesis of potential intercalators.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1173, doi. 10.1002/jhet.5570390610

By:

Varvaresou, Athanasia;
Iakovou, Kriton

Publication type:

Article

Thermolytic ring closure reactions of 4-azido-3-phenylsulfanyl-and 4-azido-3-phenylsulfonyl-2-quinolones to 12 H-quinolino-[3,4- b][1,4]benzothiazin-6(5 H)-ones.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1259, doi. 10.1002/jhet.5570390621

By:

Täubl, Anna E.;
Langhans, Klaus;
Kappe, Thomas;
Stadlbauer, Wolfgang

Publication type:

Article

Synthesis of 3-thiocyanato-1 H,3 H-quinoline-2,4-diones.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1315, doi. 10.1002/jhet.5570390632

By:

Klásek, Antonín;
Polis, Jirí;
Mrkvička, Vladimír;
Košmrlj, Janez

Publication type:

Article

A comparative study on the synthesis of 4-alkyl-1,3-diarylpyrazoles using microwave irradiation and conventional thermal methods.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1129, doi. 10.1002/jhet.5570390603

By:

Selvi, S.;
Perumal, P. T.

Publication type:

Article

Synthesis of tetronic acid derivatives from novel active esters of α-hydroxyacids.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1201, doi. 10.1002/jhet.5570390614

By:

Mitsos, Christos;
Zografos, Alexandras;
Igglessi-Markopoulou, Olga

Publication type:

Article

Synthesis of 2-(2-, 3-, and 4-pyridyl)benzoxazoles by the reaction of phenolic schiff bases with thianthrene cation radical.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1279, doi. 10.1002/jhet.5570390625

By:

Park, Myeong Soon;
Ha Park, Koon;
Jun, Kun;
Shin, Seung Rim;
Oh, Sea Wha

Publication type:

Article

Synthesis of 3-aroyl-4-(3-chromonyl)-2-pyrazolines.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1333, doi. 10.1002/jhet.5570390636

By:

Lévai, Albert;
Jekö, József

Publication type:

Article

A convenient synthesis of 2-Arylidene-5 H-thiazolo[2,3- b]quinazo-line-3,5[2 H]-diones and their benzoquinazoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1153, doi. 10.1002/jhet.5570390607

By:

Khodair, Ahmed I.

Publication type:

Article

New optically active pyrazoles: Syntheses and the structural characterization of menthopyrazole analogues.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1235, doi. 10.1002/jhet.5570390618

By:

Kashima, Choji;
Miwa, Yohei;
Shibata, Saori;
Nakazono, Hiroyuki

Publication type:

Article

Novel fluorescent 2-(2-aminofluorophenyl)benzoxazoles: Syntheses and photophysical properties.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1299, doi. 10.1002/jhet.5570390629

By:

Tanaka, Kiyoshi;
Komiya, Tomohiro

Publication type:

Article

Synthesis of novel flavonoid derivatives as potential HIV- Integrase inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1251, doi. 10.1002/jhet.5570390620

By:

Mateeva, Nelly N.;
Kode, Rao N.;
Redda, Kinfe K.

Publication type:

Article

Synthesis of 4-alkyl-1,2-diphenyl-3,5-dioxopyrazolidines possessing aryl methylsulfonyl and sulfonamide pharmacophores for evaluation as selective cyclooxygenase-2 (COX-2) inhibitors.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1309, doi. 10.1002/jhet.5570390631

By:

Rahim, M. Abdur;
Rao, P. N. Praveen;
Knaus, Edward E.

Publication type:

Article

Rearrangement of spiro[2 H-1-benzopyran-2,2′-[2 H]indoles] to pyrrolo[1,2- a]indole derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1123, doi. 10.1002/jhet.5570390602

By:

Martynaitis, Vytas;
Šačkus, Algirdas;
Berg, Ulf

Publication type:

Article

Synthesis of 7-aza-5,8,10-trideazafolic acid and its 4-amino-derivative as potential antifolates.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1195, doi. 10.1002/jhet.5570390613

By:

Wollein, Günther;
Troschütz, Reinhard

Publication type:

Article

Easy access to medium rings by entropy/strain reduction, Part 3.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1273, doi. 10.1002/jhet.5570390624

By:

Walsh, James G.;
Gilheany, Declan G.

Publication type:

Article

Azinoiminophosphorane mediated synthesis of 5 H, 7 H-1,2,4-triazolo[1,5- c][1,3]benzoxazepin-7-ones and 6 H,8 H-1,2,4-triazolo-[1,5- c][1,3]oxazepin-6-ones.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1329, doi. 10.1002/jhet.5570390635

By:

Lee, Chang Hoon;
Kim, Bong Gyu;
Lee, Kee-Jung

Publication type:

Article

Reactivity study on morpholine-1-carbothioic acid (2-phenyl-3 H-quinazolin-4-ylidene) amide.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1145, doi. 10.1002/jhet.5570390606

By:

Fathalla, Walid;
Pazdera, Pavel;
Čajan, Michal;
Marek, Jaromír

Publication type:

Article

Study of the heterocyclization of vic-substituted hydrazides of acetylenylpyrazolecarboxylic acids into N-amino pyrazolopyridinones.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1229, doi. 10.1002/jhet.5570390617

By:

Vasilevsky, Sergei F.;
Mshvidobadze, Elena V.;
Elguero, José

Publication type:

Article

Triazolylbenzimidazolthiones and derivatives of the new 1,2,3-triazolo[ 1,5- a][ 1,3,5]benzotriazepine heterocycle.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1293, doi. 10.1002/jhet.5570390628

By:

Biagi, Giuliana;
Giorgi, Irene;
Livi, Oreste;
Nardi, Antonio;
Scartoni, Valerio

Publication type:

Article

Synthesis of some [1,2,4]triazino[5,6- b]quinoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1305, doi. 10.1002/jhet.5570390630

By:

Stýskala, Jakub;
Slouka, Jan;
Lycka, Antonín

Publication type:

Article

Research on heterocyclic compounds. XLIII. Synthetic studies on 1,4-dihydropyridine derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1117, doi. 10.1002/jhet.5570390601

By:

Rimoli, Maria Grazia;
Avallone, Lucia;
Zanarone, Serena;
Abignente, Enrico;
Mangoni, Alfonso

Publication type:

Article

Synthesis and spectral properties of 7-chloro-5-[( o- and p-R1)phenyl]-1-R2-3 H-[1,4]benzodiazepin-2-ones.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1189, doi. 10.1002/jhet.5570390612

By:

Cortés, Eduardo Cortés;
Martínez, Isidro Ebromares;
Mellado, Olivia García

Publication type:

Article

A one-pot synthesis of 2-aryl-2,3-dihydro-4(l H)-quinazolinones by use of samarium iodide.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1271, doi. 10.1002/jhet.5570390623

By:

Cai, Guoping;
Xu, Xiaoliang;
Li, Zhifang;
Lu, Ping;
Weber, William P.

Publication type:

Article

Novel synthesis of N-{6-aryl-4-[( E)-2-furylmethylene]-1,2,3,4-tetrahydro-3-oxopyridazin-1 -ylcarbonyl}- p-toluenesulfonamides and N-{5-[( E)-1-aroylmethyl-2-(2-furyl) vinyl]-1,3,4-oxadiazol-2-yl} - p-toluenesulfonamides.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1325, doi. 10.1002/jhet.5570390634

By:

Hamad, Abdel-Sattar S.;
Hashem, Ahmed I.

Publication type:

Article

New domino-reaction for the synthesis of N4-(5-aryl-1,3-oxathiol-2-yliden)-2-phenylquinazolin-4-amines and 4-[4-aryl-5-(2-phenylquinazolin-4-yl)-1,3-thiazol-2-yl]morpholine.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1139, doi. 10.1002/jhet.5570390605

By:

Fathalla, Walid;
Pazdera, Pavel;
Marek, Jaromír

Publication type:

Article

Determination of aromaticity indices of thiophene and furan by nuclear magnetic resonance spectroscopic analysis of their anilides.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1219, doi. 10.1002/jhet.5570390616

By:

Lee, Chang Kiu;
Yu, Ji Sook;
Ji, Young Ran

Publication type:

Article

A study concerning the synthesis, basicity and hydrolysis of 4-amino-2-( N, N-diethylamino)quinazoline derivatives.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1289, doi. 10.1002/jhet.5570390627

By:

Zieliński, Wojciech;
Kudelko, Agnieszka

Publication type:

Article

Application of the randomly optimized RDSQC experiment for the elucidation of an unknown compound.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1339, doi. 10.1002/jhet.5570390638

By:

Hadden, Chad E.

Publication type:

Article

Carbocyclic galanthamine analogs: Incorporating the phenethylamine motif.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1167, doi. 10.1002/jhet.5570390609

By:

Treu, Matthias;
Hametner, Christian;
Fröhlich, Johannes;
Jordis, Ulrich;
Mereiter, Kurt

Publication type:

Article

Preparation of 3-aminoalkylbenzo[ b]thiophenes.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1177, doi. 10.1002/jhet.5570390611

By:

Burkamp, Frank;
Fletcher, Stephen R.

Publication type:

Article

Seco-isopowellaminone: A new heterocycle from nornarwedine.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1265, doi. 10.1002/jhet.5570390622

By:

Hirnschall, Manfred;
Froehlich, Johannes;
Jordis, Ulrich;
Mereiter, Kurt

Publication type:

Article

Synthesis and spectral properties of 2-methylthio-3 H-7-[( o-; m- and p-substituted)phenoxy]-4-( p-substituted-phenyl)-[1,5]benzodiazepines.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1321, doi. 10.1002/jhet.5570390633

By:

Cortés, Eduardo Cortés;
Romero, Cristina A. Cortés;
Mellado, Olivia García

Publication type:

Article

Synthesis and cytotoxic activity of certain new arylazothiazole containing compounds.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1133, doi. 10.1002/jhet.5570390604

By:

El-Meligie, Salwa;
El-Awady, Raafat A.

Publication type:

Article

Determination of aromaticity indices of thiophene and furan by nuclear magnetic resonance spectroscopic analysis of their phenyl esters.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1207, doi. 10.1002/jhet.5570390615

By:

Lee, Chang Kiu;
Yu, Ji Sook;
Lee, Hye-Jin

Publication type:

Article

Carbocyclic galanthamin analogs: 4a,5,9,10,11,12-hexahydro-6 H-benzo[ b]cyclohepta[ cd]benzofurans.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1283, doi. 10.1002/jhet.5570390626

By:

Treu, Matthias;
Hametner, Christian;
Frohlich, Johannes;
Jordis, Ulrich;
Mereiter, Kurt

Publication type:

Article

Difference in photochemical behavior in 3,6- and 2,5-di- tert-butyl-3 H-azepine: The first photochemical bond formation between 2- and 6-position of 3 H-azepine ring.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1337, doi. 10.1002/jhet.5570390637

By:

Satake, Kyosuke;
Tawada, Yuko;
Takami, Shizuka;
Kimura, Masaru

Publication type:

Article

Synthesis of novel fused tricyclic quinolones: 4 a,5-Dihydro-1 H-[1;2,4]triazino[1,6- a]quinoline-2,4,6(3 H)-triones.

Published in:

Journal of Heterocyclic Chemistry, 2002, v. 39, n. 6, p. 1161, doi. 10.1002/jhet.5570390608

By:

Edmont, Dolorès;
Marot, Christophe;
Chenault, Jacques

Publication type:

Article

Works matching IS 0022152X AND DT 2002 AND VI 39 AND IP 6

Identification of degradants of a complex alkaloid using NMR cryoprobe technology and ACD/structure elucidator.

Derivatives of 5-Oxy-pyrido[2,3- b]quinoxaline-9-carboxylic acid: A tricyclic system useful for the synthesis of potential intercalators.

Thermolytic ring closure reactions of 4-azido-3-phenylsulfanyl-and 4-azido-3-phenylsulfonyl-2-quinolones to 12 H-quinolino-[3,4- b][1,4]benzothiazin-6(5 H)-ones.

Synthesis of 3-thiocyanato-1 H,3 H-quinoline-2,4-diones.

A comparative study on the synthesis of 4-alkyl-1,3-diarylpyrazoles using microwave irradiation and conventional thermal methods.

Synthesis of tetronic acid derivatives from novel active esters of α-hydroxyacids.

Synthesis of 2-(2-, 3-, and 4-pyridyl)benzoxazoles by the reaction of phenolic schiff bases with thianthrene cation radical.

Synthesis of 3-aroyl-4-(3-chromonyl)-2-pyrazolines.

A convenient synthesis of 2-Arylidene-5 H-thiazolo[2,3- b]quinazo-line-3,5[2 H]-diones and their benzoquinazoline derivatives.

New optically active pyrazoles: Syntheses and the structural characterization of menthopyrazole analogues.

Novel fluorescent 2-(2-aminofluorophenyl)benzoxazoles: Syntheses and photophysical properties.

Synthesis of novel flavonoid derivatives as potential HIV- Integrase inhibitors.

Synthesis of 4-alkyl-1,2-diphenyl-3,5-dioxopyrazolidines possessing aryl methylsulfonyl and sulfonamide pharmacophores for evaluation as selective cyclooxygenase-2 (COX-2) inhibitors.

Rearrangement of spiro[2 H-1-benzopyran-2,2′-[2 H]indoles] to pyrrolo[1,2- a]indole derivatives.

Synthesis of 7-aza-5,8,10-trideazafolic acid and its 4-amino-derivative as potential antifolates.

Easy access to medium rings by entropy/strain reduction, Part 3.

Azinoiminophosphorane mediated synthesis of 5 H, 7 H-1,2,4-triazolo[1,5- c][1,3]benzoxazepin-7-ones and 6 H,8 H-1,2,4-triazolo-[1,5- c][1,3]oxazepin-6-ones.

Reactivity study on morpholine-1-carbothioic acid (2-phenyl-3 H-quinazolin-4-ylidene) amide.

Study of the heterocyclization of vic-substituted hydrazides of acetylenylpyrazolecarboxylic acids into N-amino pyrazolopyridinones.

Triazolylbenzimidazolthiones and derivatives of the new 1,2,3-triazolo[ 1,5- a][ 1,3,5]benzotriazepine heterocycle.

Synthesis of some [1,2,4]triazino[5,6- b]quinoline derivatives.

Research on heterocyclic compounds. XLIII. Synthetic studies on 1,4-dihydropyridine derivatives.

Synthesis and spectral properties of 7-chloro-5-[( o- and p-R<sub>1</sub>)phenyl]-1-R<sub>2</sub>-3 H-[1,4]benzodiazepin-2-ones.

A one-pot synthesis of 2-aryl-2,3-dihydro-4(l H)-quinazolinones by use of samarium iodide.

Novel synthesis of N-{6-aryl-4-[( E)-2-furylmethylene]-1,2,3,4-tetrahydro-3-oxopyridazin-1 -ylcarbonyl}- p-toluenesulfonamides and N-{5-[( E)-1-aroylmethyl-2-(2-furyl) vinyl]-1,3,4-oxadiazol-2-yl} - p-toluenesulfonamides.

New domino-reaction for the synthesis of N<sup>4</sup>-(5-aryl-1,3-oxathiol-2-yliden)-2-phenylquinazolin-4-amines and 4-[4-aryl-5-(2-phenylquinazolin-4-yl)-1,3-thiazol-2-yl]morpholine.

Determination of aromaticity indices of thiophene and furan by nuclear magnetic resonance spectroscopic analysis of their anilides.

A study concerning the synthesis, basicity and hydrolysis of 4-amino-2-( N, N-diethylamino)quinazoline derivatives.

Application of the randomly optimized RDSQC experiment for the elucidation of an unknown compound.

Carbocyclic galanthamine analogs: Incorporating the phenethylamine motif.

Preparation of 3-aminoalkylbenzo[ b]thiophenes.

Seco-isopowellaminone: A new heterocycle from nornarwedine.

Synthesis and spectral properties of 2-methylthio-3 H-7-[( o-; m- and p-substituted)phenoxy]-4-( p-substituted-phenyl)-[1,5]benzodiazepines.

Synthesis and cytotoxic activity of certain new arylazothiazole containing compounds.

Determination of aromaticity indices of thiophene and furan by nuclear magnetic resonance spectroscopic analysis of their phenyl esters.

Carbocyclic galanthamin analogs: 4a,5,9,10,11,12-hexahydro-6 H-benzo[ b]cyclohepta[ cd]benzofurans.

Difference in photochemical behavior in 3,6- and 2,5-di- tert-butyl-3 H-azepine: The first photochemical bond formation between 2- and 6-position of 3 H-azepine ring.

Synthesis of novel fused tricyclic quinolones: 4 a,5-Dihydro-1 H-[1;2,4]triazino[1,6- a]quinoline-2,4,6(3 H)-triones.