Works matching IS 0022152X AND DT 1994 AND VI 31 AND IP 5

Results: 34

Reactions of donor-substituted furans with electrophilic ethylenes.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1279, doi. 10.1002/jhet.5570310528

By:

Mloston, Grzegorz;
Huisgen, Rolf

Publication type:

Article

A short-step synthesis of naphtho[2,3- b]furan-4,9-dione.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1303, doi. 10.1002/jhet.5570310534

By:

Koyanagi, Jyunichi;
Yamamoto, Katsumi;
Nakayama, Kouji;
Tanaka, Akira

Publication type:

Article

5-Deaza-7-desmethylene analogues of 5,10-methylene-5,6,7,8-tetrahydrofolic acid and related compounds: Synthesis and in vitro biological activity.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1241, doi. 10.1002/jhet.5570310522

By:

Rosowsky, Andre;
Bader, Henry;
Wright, Joel E.;
Moran, Richard G.

Publication type:

Article

Cobalt(I)-catalyzed cocyclotrimerization of acetylene with 2,6-dicyanopyridines.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1289, doi. 10.1002/jhet.5570310530

By:

Chelucci, Giorgio;
Cabras, M. Antonietta;
Saba, A.

Publication type:

Article

Heterocyclic compounds studies. Dynamic 13C NMR investigation and crystal structure of 3-hydroxy-1,5-benzoxathiepine.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1151, doi. 10.1002/jhet.5570310509

By:

Cerioni, Giovanni;
Floris, Costantino;
Marongiu, Giaime;
Navarra, Gabriele;
Sotgiu, Francesca

Publication type:

Article

Synthesis of 2,8-disubstituted 1,2,4-triazolo[5,1- i]purines.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1171, doi. 10.1002/jhet.5570310512

By:

Gatta, Franco;
Giudice, Maria Rosaria Del;
Borioni, Anna;
Mustazza, Carlo;
Fazio, Cristina

Publication type:

Article

Intramolecular diels-alder reactions. 4. Additions to naphthalene.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1251, doi. 10.1002/jhet.5570310523

By:

Ciganek, Engelbert;
Wuonola, Mark A.;
Harlow, Richard L.

Publication type:

Article

Applications of NMR spectral techniques for the study of macrocycle host-organic guest interactions. A short review.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1097, doi. 10.1002/jhet.5570310501

By:

Wang, Tingmin;
Bradshaw, Jerald S.;
Izatt, Reed M.

Publication type:

Article

Reaction of 3-nitro- and 3-diethylphosphonocoumarin with phenacyl bromide. X-ray molecular structure of 3-nitro-3,4-phenacylidenecoumarin.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1129, doi. 10.1002/jhet.5570310505

By:

Rodios, Nestor A.;
Bojilova, Anka;
Terzis, A.;
Raptopoulou, C. P.

Publication type:

Article

Angular to linear rearrangement of an isoindolo[2,1- a]quinazoline skeleton.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1297, doi. 10.1002/jhet.5570310532

By:

Guillaumel, Jean;
Demerseman, Pierre

Publication type:

Article

Reactivity of 7-(2-dimethylaminovinyl)pyrazolo[1,5- a]pyrimidines: Synthesis of pyrazolo[1,5- a]pyrido[3,4- e]pyrimidine derivatives as potential benzodiazepine receptor ligands. 1.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1193, doi. 10.1002/jhet.5570310516

By:

Bruni, Fabrizio;
Selleri, Silvia;
Costanzo, Annarella;
Guerrini, Gabriella;
Casilli, Maria Lucia

Publication type:

Article

The oxidation of a selenium-bridged bisquinoline using m-chloroperbenzoic acid.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1275, doi. 10.1002/jhet.5570310527

By:

Löwe, Werner;
Schmidt, Robert;
Luger, Peter

Publication type:

Article

The syntheses and NMR spectra of the twelve isomeric thieno[ b]fused naphthyridines.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1161, doi. 10.1002/jhet.5570310511

By:

Björk, Patrick;
Hörnfeldt, Anna-Britta;
Gronowitz, Salo

Publication type:

Article

An efficient synthesis of chlorinated imidazoles through tert-butyldimethylsilyloxy derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1121, doi. 10.1002/jhet.5570310503

By:

Estenne, Geneviève;
Leclerc, Gr̀rard;
Dodey, Pierre;
Renaut, Patrice

Publication type:

Article

Isoxazolium enolates derived from α,β-unsaturated and 1,3-dicarbonyl compounds. The through-space effect of the enolate moiety on the chemical shift of α-protons.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1267, doi. 10.1002/jhet.5570310525

By:

Zvilichovsky, Gury;
Gurvich, Vadim

Publication type:

Article

Methoxide ion mediated reactions of methyl azidoacetate with 4-and 2-cyanobenzaldehyde. An unexpected cyclization of the ortho isomer to a 2(1 H)-benzazepine derivative.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1299, doi. 10.1002/jhet.5570310533

By:

Kiselyov, Alexander S.;
Van Aken, Koen;
Gulevich, Yuri;
Strekowski, Lucjan

Publication type:

Article

A novel synthesis of 6,7,8,9-tetrahydro-5 H-dibenzo[ c,g]carbazole.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1125, doi. 10.1002/jhet.5570310504

By:

Dimmock, J. R.;
Pandeya, S. N.;
Puthucode, R. N.;
Quail, J. W.

Publication type:

Article

A new entry to the imidazo[4,5- d]pyrimidine system. The reaction of 1,3-dimethyl-6-aminouracil with N,N-dimethyldichloromethyleniminium chloride (phosgeniminium chloride) and trimethylsilyl azide, a novel and convenient 'one pot' synthesis of 8- N-arylaminotheophyllines (2- N-arylamino-4,6-dimethylimidazo[4,5- d]pyrimidine-(4H,6H)-5,7-diones), starting from 1,3-dimethyl-6-aminouracil

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1185, doi. 10.1002/jhet.5570310515

By:

Kokel, Bruno

Publication type:

Article

New proton-ionizable macrocyclic compounds containing one and two triazole subcyclic units - synthesis and complexation properties.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1271, doi. 10.1002/jhet.5570310526

By:

Elshani, Sadik;
Apgar, Pete;
Wang, Shaofen;
Wai, C. M.

Publication type:

Article

Acylaminoacetyl derivatives of active methylene compounds. 3.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1145, doi. 10.1002/jhet.5570310508

By:

Hamilakis, Stylianos;
Kontonassios, Demetrios;
Sandris, Constantine

Publication type:

Article

Synthesis of 2,3,5-trisubstituted furans by the acid-catalyzed decomposition of 1,2-dioxan-3-ols.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1219, doi. 10.1002/jhet.5570310519

By:

Qian, Chang-Yi;
Hirose, Jun-Ichi;
Nishino, Hiroshi;
Kurosawa, Kazu

Publication type:

Article

Synthesis of pyrazolo[1,5- a]pyridines and pyrazolo[1,5- c]pyrimidines by reaction of heterocyclic amidrazones with 1,3-dicarbonyl compounds.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1157, doi. 10.1002/jhet.5570310510

By:

Köckritz, Peter;
Riemer, Beate;
Michler, Anke;
Hassoun, Ahmed;
Liebscher, Jürgen

Publication type:

Article

Synthesis of tetrahydroimidazo[1,5- b]-β-carboline derivatives with complex basic substituents.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1235, doi. 10.1002/jhet.5570310521

By:

De Miguel, Pilar;
Martín, Nazario;
Braña, Miguel F.

Publication type:

Article

A convenient method for regioselective C-5 halogenation of 4(3 H)-oxo-7 H-pyrrolo[2,3- d]pyrimidines.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1181, doi. 10.1002/jhet.5570310514

By:

Barnett, Charles J.;
Kobierski, Michael E.

Publication type:

Article

Bridgehead nitrogen heterocycles derived from the potassium salt of 2,3,5,6,7,8-hexahydro-3-amino-2-thioxo.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1141, doi. 10.1002/jhet.5570310507

By:

Santagati, Andrea;
Modica, Maria;
Santagati, Maria

Publication type:

Article

Total assignment of the 1H and 13C NMR spectra of pyrrolizino-[3,4,5- a,b]isoquinoline, benzo[1,2]pyrrolizino[3,4,5- a,b]isoquinoline and 2-methylthiopyrrolizino[3,4,5- a,b]isoquinoline.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1209, doi. 10.1002/jhet.5570310518

By:

Castle, Lyle W.;
Tominaga, Yoshinori;
Castle, Raymond N.

Publication type:

Article

Synthesis of 1-arylacenaphtho[1,2- d]pyrazoles and 5,7-Dehydro-5 H,7 H-benzo[ b]acenaphtho[1,2- e]-1,3a,6a-triazapentalenes.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1283, doi. 10.1002/jhet.5570310529

By:

Tsuge, Otohiko;
Hatta, Taizo;
Kojima, Hisashi;
Miyahara, Nobutaka;
Sugaya, Masafumi

Publication type:

Article

Studies on pyrazines. Part 28.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1229, doi. 10.1002/jhet.5570310520

By:

Sato, Nobuhiro;
Miwa, Naoko;
Suzuki, Hiroko;
Sakakibara, Tohru

Publication type:

Article

Direct monobromination of substituted 4-oxoquinoline-3-carboxylic acid derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1293, doi. 10.1002/jhet.5570310531

By:

Moẑek, Irena;
Ŝket, Boris

Publication type:

Article

Molecular associations between indolizines and tetracyanoethylene.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1115, doi. 10.1002/jhet.5570310502

By:

Bruni, Paolo;
Conti, Carla;
Giorgini, Elisabetta;
Iacussi, Marco;
Maurelli, Eziana;
Tosi, Giorgio

Publication type:

Article

Studies on pyrazines. 29.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1177, doi. 10.1002/jhet.5570310513

By:

Sato, Nobuhiro;
Fujii, Megumi

Publication type:

Article

The synthesis of azatryptophane derivatives.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1259, doi. 10.1002/jhet.5570310524

By:

Svete, Jurij;
Stanovnik, Branko;
Tiŝler, Miha

Publication type:

Article

3-Amino-2-quinoxalinecarbonitrile. New fused quinoxalines with potential cytotoxic activity.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1135, doi. 10.1002/jhet.5570310506

By:

Monge, A.;
Palop, J. A.;
Piñol, A.;
Martínez-Crespo, F. J.;
Narro, S.;
González, M.;
Sáinz, Y.;
De Ceráin, A. López;
Hamilton, E.;
Barker, A. J.

Publication type:

Article

Synthesis of novel pyridazine acyclonucleosides.

Published in:

Journal of Heterocyclic Chemistry, 1994, v. 31, n. 5, p. 1199, doi. 10.1002/jhet.5570310517

By:

Cho, Su-Dong;
Chung, Joo-Wha;
Choi, Woo-Yong;
Kim, Sung-Kyu;
Yoon, Yong-Jin

Publication type:

Article

Works matching IS 0022152X AND DT 1994 AND VI 31 AND IP 5

Reactions of donor-substituted furans with electrophilic ethylenes.

A short-step synthesis of naphtho[2,3- b]furan-4,9-dione.

5-Deaza-7-desmethylene analogues of 5,10-methylene-5,6,7,8-tetrahydrofolic acid and related compounds: Synthesis and in vitro biological activity.

Cobalt(I)-catalyzed cocyclotrimerization of acetylene with 2,6-dicyanopyridines.

Heterocyclic compounds studies. Dynamic <sup>13</sup>C NMR investigation and crystal structure of 3-hydroxy-1,5-benzoxathiepine.

Synthesis of 2,8-disubstituted 1,2,4-triazolo[5,1- i]purines.

Intramolecular diels-alder reactions. 4. Additions to naphthalene.

Applications of NMR spectral techniques for the study of macrocycle host-organic guest interactions. A short review.

Reaction of 3-nitro- and 3-diethylphosphonocoumarin with phenacyl bromide. X-ray molecular structure of 3-nitro-3,4-phenacylidenecoumarin.

Angular to linear rearrangement of an isoindolo[2,1- a]quinazoline skeleton.

Reactivity of 7-(2-dimethylaminovinyl)pyrazolo[1,5- a]pyrimidines: Synthesis of pyrazolo[1,5- a]pyrido[3,4- e]pyrimidine derivatives as potential benzodiazepine receptor ligands. 1.

The oxidation of a selenium-bridged bisquinoline using m-chloroperbenzoic acid.

The syntheses and NMR spectra of the twelve isomeric thieno[ b]fused naphthyridines.

An efficient synthesis of chlorinated imidazoles through tert-butyldimethylsilyloxy derivatives.

Isoxazolium enolates derived from α,β-unsaturated and 1,3-dicarbonyl compounds. The through-space effect of the enolate moiety on the chemical shift of α-protons.

Methoxide ion mediated reactions of methyl azidoacetate with 4-and 2-cyanobenzaldehyde. An unexpected cyclization of the ortho isomer to a 2(1 H)-benzazepine derivative.

A novel synthesis of 6,7,8,9-tetrahydro-5 H-dibenzo[ c,g]carbazole.

New proton-ionizable macrocyclic compounds containing one and two triazole subcyclic units - synthesis and complexation properties.

Acylaminoacetyl derivatives of active methylene compounds. 3.

Synthesis of 2,3,5-trisubstituted furans by the acid-catalyzed decomposition of 1,2-dioxan-3-ols.

Synthesis of pyrazolo[1,5- a]pyridines and pyrazolo[1,5- c]pyrimidines by reaction of heterocyclic amidrazones with 1,3-dicarbonyl compounds.

Synthesis of tetrahydroimidazo[1,5- b]-β-carboline derivatives with complex basic substituents.

A convenient method for regioselective C-5 halogenation of 4(3 H)-oxo-7 H-pyrrolo[2,3- d]pyrimidines.

Bridgehead nitrogen heterocycles derived from the potassium salt of 2,3,5,6,7,8-hexahydro-3-amino-2-thioxo.

Total assignment of the <sup>1</sup>H and <sup>13</sup>C NMR spectra of pyrrolizino-[3,4,5- a,b]isoquinoline, benzo[1,2]pyrrolizino[3,4,5- a,b]isoquinoline and 2-methylthiopyrrolizino[3,4,5- a,b]isoquinoline.

Synthesis of 1-arylacenaphtho[1,2- d]pyrazoles and 5,7-Dehydro-5 H,7 H-benzo[ b]acenaphtho[1,2- e]-1,3a,6a-triazapentalenes.

Studies on pyrazines. Part 28.

Direct monobromination of substituted 4-oxoquinoline-3-carboxylic acid derivatives.

Molecular associations between indolizines and tetracyanoethylene.

Studies on pyrazines. 29.

The synthesis of azatryptophane derivatives.

3-Amino-2-quinoxalinecarbonitrile. New fused quinoxalines with potential cytotoxic activity.

Synthesis of novel pyridazine acyclonucleosides.